[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"product-categories-en":3,"company-profile-en":312,"nav-featured-product-en":329,"social-links":356,"product-hdch-series-d-a-hollow-plunger-cylinders-en":363},{"list":4},[5,19,29,41,51,62,72,83,94,102,112,122,132,142,152,162,172,180,190,200,210,220,228,238,248,258,268,276,286,296,304],{"id":6,"parent_id":7,"name":8,"name_en":8,"slug":9,"description":10,"image_url":11,"seo_title":12,"seo_description":13,"seo_keywords":14,"sort_order":6,"is_active":15,"product_count":16,"created_at":17,"updated_at":18},1,null,"Hydraulic Cylinders & Jacks","hydraulic-cylinders-and-jacks","Industrial single and double-acting hydraulic cylinders, lock nut jacks, hollow plunger rams, and lightweight aluminum cylinders from 5 to 1000 tons.","\u002Fstorage\u002Ftradebuild\u002Fcategories\u002Fbms-series-s-a-general-purpose-cylinders_render_1_513x1189.webp","Hydraulic Cylinders & Jacks (2.5–1,000 T, 700–1,500 Bar) | HydraStark","HydraStark Hydraulic Cylinders & Jacks: 20 series (HSC, HSCF, HSCL, HSCT, HSCH, HDCH and more). 2.5–1,000 T, 700–1,500 Bar.","Hydraulic Cylinders & Jacks, HSC, HSCF, HSCL, HSCT, HSCH, HDCH, HDC, HSC-LN, Enerpac equivalent, HydraStark",true,0,"2026-08-14T06:41:07.073321Z","2026-11-02T10:26:41.939876Z",{"id":20,"parent_id":6,"name":21,"name_en":21,"slug":22,"description":23,"image_url":11,"seo_title":24,"seo_description":25,"seo_keywords":26,"sort_order":6,"is_active":15,"product_count":27,"created_at":28,"updated_at":18},101,"General Purpose & Low Height Cylinders","general-purpose-and-low-height-cylinders","Standard general-purpose cylinders, flat jack cylinders, low-profile cylinders, and multi-stage telescopic flat jacks.","General Purpose & Low Height Cylinders (700–1,500 Bar) | HydraStark","HydraStark General Purpose & Low Height Cylinders: 5 series (HSC, HSCF, HSCL, HSCT, HSCU). 5–207 T, 700–1,500 Bar. Factory-direct from Hangzhou, China.","General Purpose & Low Height Cylinders, HSC, HSCF, HSCL, HSCT, HSCU, Enerpac equivalent, HydraStark",5,"2026-08-24T09:48:46.514672Z",{"id":30,"parent_id":31,"name":32,"name_en":32,"slug":33,"description":34,"image_url":35,"seo_title":36,"seo_description":37,"seo_keywords":38,"sort_order":6,"is_active":15,"product_count":39,"created_at":40,"updated_at":18},201,2,"Manual & Air Hydraulic Pumps","manual-and-air-hydraulic-pumps","Lightweight composite plastic hand pumps, heavy-duty alloy steel manual pumps, and air-driven hydraulic foot pumps.","\u002Fstorage\u002Ftradebuild\u002Fcategories\u002Fbp_plastic_hand_pump_render.webp","Manual & Air Hydraulic Pumps (330–7,500 cm³, 700 Bar) | HydraStark","HydraStark Manual & Air Hydraulic Pumps: 3 series (HPM-P, HPM-S, HPA). 330–7,500 cm³, 700 Bar. Factory-direct from Hangzhou, China.","Manual & Air Hydraulic Pumps, HPM-P, HPM-S, HPA, Enerpac equivalent, HydraStark",3,"2026-08-24T09:48:46.519327Z",{"id":42,"parent_id":39,"name":43,"name_en":43,"slug":44,"description":45,"image_url":46,"seo_title":47,"seo_description":48,"seo_keywords":49,"sort_order":6,"is_active":15,"product_count":31,"created_at":50,"updated_at":18},301,"Square Drive Torque Wrenches & Sockets","square-drive-torque-wrenches-and-sockets","Precision square drive hydraulic torque wrenches from 112 to 72,000 Nm and heavy-duty chrome-molybdenum impact sockets.","\u002Fstorage\u002Ftradebuild\u002Fcategories\u002Fbsw_square_drive_torque_wrench_main.webp","Square Drive Torque Wrenches & Sockets (700 Bar) | HydraStark","HydraStark Square Drive Torque Wrenches & Sockets: 2 series (HSW, HS-SKT). 112–72,000 N·m, 700 Bar. Factory-direct from Hangzhou, China.","Square Drive Torque Wrenches & Sockets, HSW, HS-SKT, Enerpac equivalent, HydraStark","2026-08-24T09:48:46.524499Z",{"id":52,"parent_id":53,"name":54,"name_en":54,"slug":55,"description":56,"image_url":57,"seo_title":58,"seo_description":59,"seo_keywords":60,"sort_order":6,"is_active":15,"product_count":31,"created_at":61,"updated_at":18},401,4,"Hydraulic Bolt Tensioners","hydraulic-bolt-tensioners","1500 Bar topside single-stage tensioners and compact multi-stage tensioners for wind turbine foundation and casing bolting.","\u002Fstorage\u002Ftradebuild\u002Fcategories\u002Fbht_st_tensioner_main.webp","Hydraulic Bolt Tensioners (282–3,216 kN, 1,500 Bar) | HydraStark","HydraStark Hydraulic Bolt Tensioners: 2 series (HST-S, HST-M). 282–3,216 kN, 1,500 Bar. Factory-direct from Hangzhou, China.","Hydraulic Bolt Tensioners, HST-S, HST-M, Enerpac equivalent, HydraStark","2026-08-24T09:48:46.52598Z",{"id":63,"parent_id":27,"name":64,"name_en":64,"slug":65,"description":66,"image_url":67,"seo_title":68,"seo_description":69,"seo_keywords":70,"sort_order":6,"is_active":15,"product_count":53,"created_at":71,"updated_at":18},501,"Manual & Integrated Pullers","manual-and-integrated-hydraulic-pullers","Standard separate 2\u002F3-jaw hydraulic pullers, safety plate heavy pullers, self-contained integrated pullers, and self-centering sync pullers.","\u002Fstorage\u002Ftradebuild\u002Fcategories\u002Fbuk_series_hydraulic_puller_raw_hd.webp","Manual & Integrated Pullers (4–100 T, 700 Bar) | HydraStark","HydraStark Manual & Integrated Pullers: 4 series (HAP-I, HAP-M, HAP-S, HAP-C). 4–100 T, 700 Bar. Factory-direct from Hangzhou, China.","Manual & Integrated Pullers, HAP-I, HAP-M, HAP-S, HAP-C, HydraStark","2026-08-24T09:48:46.527242Z",{"id":73,"parent_id":74,"name":75,"name_en":75,"slug":76,"description":77,"image_url":78,"seo_title":79,"seo_description":80,"seo_keywords":81,"sort_order":6,"is_active":15,"product_count":31,"created_at":82,"updated_at":18},601,6,"Hydraulic Nut Splitters","hydraulic-nut-splitters","Heavy-duty straight hydraulic nut splitters and compact angled cutting head nut splitters up to M90.","\u002Fstorage\u002Ftradebuild\u002Fcategories\u002Fbns_series_nut_splitter_main.webp","Hydraulic Nut Splitters (5–193 T) | HydraStark","HydraStark Hydraulic Nut Splitters: 2 series (HNS, HNC). 5–193 T. Factory-direct from Hangzhou, China.","Hydraulic Nut Splitters, HNS, HNC, Enerpac equivalent, HydraStark","2026-08-24T09:48:46.529937Z",{"id":84,"parent_id":85,"name":86,"name_en":86,"slug":87,"description":88,"image_url":89,"seo_title":90,"seo_description":91,"seo_keywords":92,"sort_order":6,"is_active":15,"product_count":39,"created_at":93,"updated_at":18},701,7,"High Pressure Hoses & Gauges","high-pressure-hoses-and-gauges","700-2800 Bar high-pressure thermoplastic & rubber hoses, stainless steel glycerin-filled gauges, and 45° ergonomic gauge adaptors.","\u002Fstorage\u002Ftradebuild\u002Fcategories\u002Fbga_003_picture_raw.webp","High Pressure Hoses & Gauges (700–2,800 Bar) | HydraStark","HydraStark High Pressure Hoses & Gauges: 3 series (HGA, HSH, HSG). 700–2,800 Bar. Factory-direct from Hangzhou, China.","High Pressure Hoses & Gauges, HGA, HSH, HSG, Enerpac equivalent, HydraStark","2026-08-24T09:48:46.532667Z",{"id":31,"parent_id":7,"name":95,"name_en":95,"slug":96,"description":97,"image_url":35,"seo_title":98,"seo_description":99,"seo_keywords":100,"sort_order":31,"is_active":15,"product_count":16,"created_at":101,"updated_at":18},"Hydraulic Pumps & Power Units","hydraulic-pumps-and-power-units","High-pressure manual hand pumps, air hydraulic foot pumps, portable electric units, battery cordless pumps, synchronized lifting systems, and 1500-3000 Bar bolt tensioner pumps.","Hydraulic Pumps & Power Units (700–4,000 Bar) | HydraStark","HydraStark Hydraulic Pumps & Power Units: 17 series (HPM-P, HPM-S, HPA, HPE-C, HPE, HPB and more). 700–4,000 Bar. Factory-direct from Hangzhou, China.","Hydraulic Pumps & Power Units, HPM-P, HPM-S, HPA, HPE-C, HPE, HPB, HPS-F, HTP-E, Enerpac equivalent, HydraStark","2026-08-14T06:41:07.07488Z",{"id":103,"parent_id":6,"name":104,"name_en":104,"slug":105,"description":106,"image_url":107,"seo_title":108,"seo_description":109,"seo_keywords":110,"sort_order":31,"is_active":15,"product_count":31,"created_at":111,"updated_at":18},102,"Hollow Plunger Cylinders","hollow-plunger-cylinders","Single-acting and double-acting center-hole hollow plunger cylinders for tensioning, pulling, and cable pre-stressing.","\u002Fstorage\u002Ftradebuild\u002Fcategories\u002Fbmsh-series-sa-hollow-piston-cylinders_render_1_1114x1058.webp","Hollow Plunger Cylinders (13–150 T, 700 Bar) | HydraStark","HydraStark Hollow Plunger Cylinders: 2 series (HSCH, HDCH). 13–150 T, 700 Bar. Factory-direct from Hangzhou, China.","Hollow Plunger Cylinders, HSCH, HDCH, Enerpac equivalent, HydraStark","2026-08-24T09:48:46.51621Z",{"id":113,"parent_id":31,"name":114,"name_en":114,"slug":115,"description":116,"image_url":117,"seo_title":118,"seo_description":119,"seo_keywords":120,"sort_order":31,"is_active":15,"product_count":39,"created_at":121,"updated_at":18},202,"Portable & Industrial Electric Pumps","portable-and-industrial-electric-pumps","Compact micro electric pumps, heavy-duty continuous industrial electric pumps, and cordless lithium-battery portable pumps.","\u002Fstorage\u002Ftradebuild\u002Fcategories\u002Fpu_electric_hydraulic_pump_solenoid.webp","Portable & Industrial Electric Pumps (700 Bar) | HydraStark","HydraStark Portable & Industrial Electric Pumps: 3 series (HPE-C, HPE, HPB). 700 Bar. Factory-direct from Hangzhou, China.","Portable & Industrial Electric Pumps, HPE-C, HPE, HPB, Enerpac equivalent, HydraStark","2026-08-24T09:48:46.520039Z",{"id":123,"parent_id":39,"name":124,"name_en":124,"slug":125,"description":126,"image_url":127,"seo_title":128,"seo_description":129,"seo_keywords":130,"sort_order":31,"is_active":15,"product_count":53,"created_at":131,"updated_at":18},302,"Low Profile & Specialized Wrenches","low-profile-and-specialized-wrenches","Low clearance hollow hex torque wrenches, cassette reducers, ultra-narrow low profile wrenches, and open-spanner hydraulic tools.","\u002Fstorage\u002Ftradebuild\u002Fcategories\u002Fbhw_low_height_torque_wrench_main.webp","Low Profile & Specialized Wrenches (700 Bar) | HydraStark","HydraStark Low Profile & Specialized Wrenches: 4 series (HHW, HHW-S, HHW-R, HS-RED). 228–44,593 N·m, 700 Bar. Factory-direct from Hangzhou, China.","Low Profile & Specialized Wrenches, HHW, HHW-S, HHW-R, HS-RED, Enerpac equivalent, HydraStark","2026-08-24T09:48:46.525261Z",{"id":133,"parent_id":53,"name":134,"name_en":134,"slug":135,"description":136,"image_url":137,"seo_title":138,"seo_description":139,"seo_keywords":140,"sort_order":31,"is_active":15,"product_count":31,"created_at":141,"updated_at":18},402,"Hydraulic Nuts & Self-Lock Nuts","hydraulic-nuts-and-self-lock-nuts","1500 Bar standard hydraulic nuts and mechanical collar self-locking hydraulic nuts for permanent pre-load retention.","\u002Fstorage\u002Ftradebuild\u002Fcategories\u002Fbbhn_self_lock_nut_main.webp","Hydraulic Nuts & Self-Lock Nuts (700–1,500 Bar) | HydraStark","HydraStark Hydraulic Nuts & Self-Lock Nuts: 2 series (HHN-L, HHN-M). 226–3,864 kN, 700–1,500 Bar. Factory-direct from Hangzhou, China.","Hydraulic Nuts & Self-Lock Nuts, HHN-L, HHN-M, HydraStark","2026-08-24T09:48:46.526595Z",{"id":143,"parent_id":27,"name":144,"name_en":144,"slug":145,"description":146,"image_url":147,"seo_title":148,"seo_description":149,"seo_keywords":150,"sort_order":31,"is_active":15,"product_count":31,"created_at":151,"updated_at":18},502,"Safety Cage Self-Lock Pullers","safety-cage-self-lock-pullers","Mechanical lock-nut safety cage pullers and hydraulic safety cage positive-locking pullers for extreme anti-slip bearing dismounting.","\u002Fstorage\u002Ftradebuild\u002Fcategories\u002Feph_series_hydraulic_self_lock_puller_set_raw_hd.webp","Safety Cage Self-Lock Pullers (2–50 T, 700 Bar) | HydraStark","HydraStark Safety Cage Self-Lock Pullers: 2 series (HAP-L, MAP-L). 2–50 T, 700 Bar. Factory-direct from Hangzhou, China.","Safety Cage Self-Lock Pullers, HAP-L, MAP-L, HydraStark","2026-08-24T09:48:46.527944Z",{"id":153,"parent_id":74,"name":154,"name_en":154,"slug":155,"description":156,"image_url":157,"seo_title":158,"seo_description":159,"seo_keywords":160,"sort_order":31,"is_active":15,"product_count":53,"created_at":161,"updated_at":18},602,"Flange Spreaders & Alignment Tools","flange-spreaders-and-alignment-tools","Stepped-wedge mechanical & hydraulic flange spreaders, integrated flange separators, and hydraulic flange misalignment tools.","\u002Fstorage\u002Ftradebuild\u002Fcategories\u002Fbfs_14_hydraulic_flange_spreader_main.webp","Flange Spreaders & Alignment Tools (700 Bar) | HydraStark","HydraStark Flange Spreaders & Alignment Tools: 4 series (HFS-W, HFS-I, HFA, HFS-S). 700 Bar. Factory-direct from Hangzhou, China.","Flange Spreaders & Alignment Tools, HFS-W, HFS-I, HFA, HFS-S, Enerpac equivalent, Equalizer equivalent, HydraStark","2026-08-24T09:48:46.530538Z",{"id":163,"parent_id":85,"name":164,"name_en":164,"slug":165,"description":166,"image_url":167,"seo_title":168,"seo_description":169,"seo_keywords":170,"sort_order":31,"is_active":15,"product_count":53,"created_at":171,"updated_at":18},702,"Couplers, Valves & Manifolds","couplers-valves-and-manifolds","700-1400 Bar quick disconnect couplers, flow control needle valves, pilot check valves, multi-port distribution manifolds, and fittings.","\u002Fstorage\u002Ftradebuild\u002Fcategories\u002Fbc_201_quick_coupler_raw.webp","Couplers, Valves & Manifolds (700–1,400 Bar) | HydraStark","HydraStark Couplers, Valves & Manifolds: 4 series (HQC, HFT, HSV, HSM). 700–1,400 Bar. Factory-direct from Hangzhou, China.","Couplers, Valves & Manifolds, HQC, HFT, HSV, HSM, Enerpac equivalent, HydraStark","2026-08-24T09:48:46.533368Z",{"id":39,"parent_id":7,"name":173,"name_en":173,"slug":174,"description":175,"image_url":46,"seo_title":176,"seo_description":177,"seo_keywords":178,"sort_order":39,"is_active":15,"product_count":16,"created_at":179,"updated_at":18},"Hydraulic Torque Wrenches & Bolting Tools","hydraulic-torque-wrenches-and-bolting-tools","Precision square drive and low-profile hydraulic torque wrenches, heavy-duty impact sockets, and specialized cassette reducers up to 72,000 Nm.","Hydraulic Torque Wrenches & Bolting Tools (700 Bar) | HydraStark","HydraStark Hydraulic Torque Wrenches & Bolting Tools: 6 series (HSW, HHW, HHW-S, HHW-R, HS-SKT, HS-RED). 112–72,000 N·m, 700 Bar.","Hydraulic Torque Wrenches & Bolting Tools, HSW, HHW, HHW-S, HHW-R, HS-SKT, HS-RED, Enerpac equivalent, HydraStark","2026-08-14T06:41:07.075219Z",{"id":181,"parent_id":6,"name":182,"name_en":182,"slug":183,"description":184,"image_url":185,"seo_title":186,"seo_description":187,"seo_keywords":188,"sort_order":39,"is_active":15,"product_count":27,"created_at":189,"updated_at":18},103,"Lock Nut & Long Stroke Cylinders","lock-nut-and-long-stroke-cylinders","Single-acting and double-acting mechanical lock nut cylinders and long-stroke double-acting push-pull rams.","\u002Fstorage\u002Ftradebuild\u002Fcategories\u002Fbmd-series-double-acting-cylinder_render_1_740x1081.webp","Lock Nut & Long Stroke Cylinders (10–1,000 T, 700 Bar) | HydraStark","HydraStark Lock Nut & Long Stroke Cylinders: 5 series (HDC, HSC-LN, HSC-LNH, HDC-LN, HSC-LP). 10–1,000 T, 700 Bar. Factory-direct from Hangzhou, China.","Lock Nut & Long Stroke Cylinders, HDC, HSC-LN, HSC-LNH, HDC-LN, HSC-LP, Enerpac equivalent, HydraStark","2026-08-24T09:48:46.51697Z",{"id":191,"parent_id":31,"name":192,"name_en":192,"slug":193,"description":194,"image_url":195,"seo_title":196,"seo_description":197,"seo_keywords":198,"sort_order":39,"is_active":15,"product_count":39,"created_at":199,"updated_at":18},203,"Synchronous Lifting Systems","synchronous-lifting-systems","Multi-outlet split-flow pumps, economical multi-point synchronized systems, and high-precision heavy-duty displacement synchronized lifting systems.","\u002Fstorage\u002Ftradebuild\u002Fcategories\u002Fsfp_split_flow_pump_render.webp","Synchronous Lifting Systems (700 Bar) | HydraStark","HydraStark Synchronous Lifting Systems: 3 series (HPS-F, HPS-ECO, HPS-PRO). 700 Bar. Factory-direct from Hangzhou, China.","Synchronous Lifting Systems, HPS-F, HPS-ECO, HPS-PRO, Enerpac equivalent, HydraStark","2026-08-24T09:48:46.520802Z",{"id":201,"parent_id":27,"name":202,"name_en":202,"slug":203,"description":204,"image_url":205,"seo_title":206,"seo_description":207,"seo_keywords":208,"sort_order":39,"is_active":15,"product_count":53,"created_at":209,"updated_at":18},503,"Bearing Pullers & Master Tool Sets","bearing-pullers-and-master-tool-sets","Bearing cup & knife separator attachments, grip puller sets, cross bearing deep-reach sets, and 4-in-1 turnkey master tool sets.","\u002Fstorage\u002Ftradebuild\u002Fcategories\u002Fbhp_bearing_puller_separator_raw.webp","Bearing Pullers & Master Tool Sets (8–50 T, 700 Bar) | HydraStark","HydraStark Bearing Pullers & Master Tool Sets: 4 series (HBP-B, HBP-G, HBP-X, HBP-M). 8–50 T, 700 Bar. Factory-direct from Hangzhou, China.","Bearing Pullers & Master Tool Sets, HBP-B, HBP-G, HBP-X, HBP-M, HydraStark","2026-08-24T09:48:46.528591Z",{"id":211,"parent_id":74,"name":212,"name_en":212,"slug":213,"description":214,"image_url":215,"seo_title":216,"seo_description":217,"seo_keywords":218,"sort_order":39,"is_active":15,"product_count":27,"created_at":219,"updated_at":18},603,"Lifting Jacks & Moving Skates","lifting-jacks-and-moving-skates","Vertical heavy lifters, compact jacks, hydraulic toe jacks, roller moving skates, and caterpillar tracked heavy load skates.","\u002Fstorage\u002Ftradebuild\u002Fcategories\u002Fbmsc_10_compact_hydraulic_jack_main.webp","Lifting Jacks & Moving Skates (2–30 T, 700 Bar) | HydraStark","HydraStark Lifting Jacks & Moving Skates: 5 series (HCJ, HMS-T, HLW, HTJ, HMS-C). 2–30 T, 700 Bar. Factory-direct from Hangzhou, China.","Lifting Jacks & Moving Skates, HCJ, HMS-T, HLW, HTJ, HMS-C, Enerpac equivalent, HydraStark","2026-08-24T09:48:46.531169Z",{"id":53,"parent_id":7,"name":221,"name_en":221,"slug":222,"description":223,"image_url":57,"seo_title":224,"seo_description":225,"seo_keywords":226,"sort_order":53,"is_active":15,"product_count":16,"created_at":227,"updated_at":18},"Bolt Tensioners & Hydraulic Nuts","bolt-tensioners-and-hydraulic-nuts","1500 Bar topside single-stage and multi-stage hydraulic bolt tensioners, standard and self-locking hydraulic nuts for wind energy, oil & gas, and nuclear plants.","Bolt Tensioners & Hydraulic Nuts (700–1,500 Bar) | HydraStark","HydraStark Bolt Tensioners & Hydraulic Nuts: 4 series (HST-S, HST-M, HHN-L, HHN-M). 226–3,864 kN, 700–1,500 Bar. Factory-direct from Hangzhou, China.","Bolt Tensioners & Hydraulic Nuts, HST-S, HST-M, HHN-L, HHN-M, Enerpac equivalent, HydraStark","2026-08-14T06:41:07.075506Z",{"id":229,"parent_id":6,"name":230,"name_en":230,"slug":231,"description":232,"image_url":233,"seo_title":234,"seo_description":235,"seo_keywords":236,"sort_order":53,"is_active":15,"product_count":39,"created_at":237,"updated_at":18},104,"High Tonnage & Pull Cylinders","high-tonnage-and-pull-cylinders","50 to 1000 Ton high-tonnage heavy construction cylinders and single-acting hydraulic pull rams.","\u002Fstorage\u002Ftradebuild\u002Fcategories\u002Fbmsp-series-pull-cylinders_render_1_1289x959.webp","High Tonnage & Pull Cylinders (2.5–1,000 T, 700 Bar) | HydraStark","HydraStark High Tonnage & Pull Cylinders: 3 series (HSCP, HDCX, HSCX). 2.5–1,000 T, 700 Bar. Factory-direct from Hangzhou, China.","High Tonnage & Pull Cylinders, HSCP, HDCX, HSCX, Enerpac equivalent, HydraStark","2026-08-24T09:48:46.517815Z",{"id":239,"parent_id":31,"name":240,"name_en":240,"slug":241,"description":242,"image_url":243,"seo_title":244,"seo_description":245,"seo_keywords":246,"sort_order":53,"is_active":15,"product_count":53,"created_at":247,"updated_at":18},204,"Ultra-High Pressure Tensioner Pumps","ultra-high-pressure-tensioner-pumps","1500-3000 Bar ultra-high pressure electric, pneumatic, and explosion-proof bolt tensioning power packs.","\u002Fstorage\u002Ftradebuild\u002Fcategories\u002Fbeup_electric_tensioner_pump_main.webp","Ultra-High Pressure Tensioner Pumps (700–4,000 Bar) | HydraStark","HydraStark Ultra-High Pressure Tensioner Pumps: 4 series (HTP-E, HTP-A, HPM-UHP, HTP-EX). 700–4,000 Bar. Factory-direct from Hangzhou, China.","Ultra-High Pressure Tensioner Pumps, HTP-E, HTP-A, HPM-UHP, HTP-EX, Enerpac equivalent, HydraStark","2026-08-24T09:48:46.521791Z",{"id":249,"parent_id":27,"name":250,"name_en":250,"slug":251,"description":252,"image_url":253,"seo_title":254,"seo_description":255,"seo_keywords":256,"sort_order":53,"is_active":15,"product_count":53,"created_at":257,"updated_at":18},504,"Vehicle-Mounted Heavy Duty Pullers","vehicle-mounted-heavy-duty-pullers","100-200 Ton heavy vehicle-mounted safety cage pullers, 50-500 Ton wheel-mounted bearing pullers, 55T jaw pullers, and 100T two-jaw synced rail pullers.","\u002Fstorage\u002Ftradebuild\u002Fcategories\u002Fph_series_vehicle_mounted_puller_main_raw.webp","Vehicle-Mounted Heavy Duty Pullers (50–500 T, 700 Bar) | HydraStark","HydraStark Vehicle-Mounted Heavy Duty Pullers: 4 series (HVP, HVP-W, HVP-55, HVP-100). 50–500 T, 700 Bar. Factory-direct from Hangzhou, China.","Vehicle-Mounted Heavy Duty Pullers, HVP, HVP-W, HVP-55, HVP-100, HydraStark","2026-08-24T09:48:46.529297Z",{"id":259,"parent_id":74,"name":260,"name_en":260,"slug":261,"description":262,"image_url":263,"seo_title":264,"seo_description":265,"seo_keywords":266,"sort_order":53,"is_active":15,"product_count":39,"created_at":267,"updated_at":18},604,"Torque Multipliers & Tire Tools","torque-multipliers-and-tire-tools","Planetary gear torque multipliers, high-ratio heavy torque multipliers, and hydraulic bead breakers for OTR mining tires.","\u002Fstorage\u002Ftradebuild\u002Fcategories\u002Fbth4_series_torque_multiplier_main.webp","Torque Multipliers & Tire Tools (700 Bar) | HydraStark","HydraStark Torque Multipliers & Tire Tools: 3 series (HTM-H, HBB, HTM-P). 1,000–4,500 N·m, 700 Bar. Factory-direct from Hangzhou, China.","Torque Multipliers & Tire Tools, HTM-H, HBB, HTM-P, HydraStark","2026-08-24T09:48:46.531951Z",{"id":27,"parent_id":7,"name":269,"name_en":269,"slug":270,"description":271,"image_url":67,"seo_title":272,"seo_description":273,"seo_keywords":274,"sort_order":27,"is_active":15,"product_count":16,"created_at":275,"updated_at":18},"Hydraulic Pullers & Wheel Puller Systems","hydraulic-pullers-and-wheel-puller-systems","Self-contained and separate hydraulic jaw pullers, safety cage self-locking pullers, bearing puller master tool kits, and 50-500 Ton heavy-duty vehicle-mounted wheel pullers.","Hydraulic Pullers & Wheel Puller Systems (700 Bar) | HydraStark","HydraStark Hydraulic Pullers & Wheel Puller Systems: 14 series (HAP-I, HAP-M, HAP-L, HVP, HAP-S, HAP-C and more). 2–500 T, 700 Bar.","Hydraulic Pullers & Wheel Puller Systems, HAP-I, HAP-M, HAP-L, HVP, HAP-S, HAP-C, MAP-L, HBP-B, HydraStark","2026-08-14T06:41:07.075825Z",{"id":277,"parent_id":6,"name":278,"name_en":278,"slug":279,"description":280,"image_url":281,"seo_title":282,"seo_description":283,"seo_keywords":284,"sort_order":27,"is_active":15,"product_count":27,"created_at":285,"updated_at":18},105,"Aluminum Lightweight Cylinders","aluminum-lightweight-cylinders","High-strength aircraft aluminum alloy single-acting, double-acting, hollow plunger, and lock nut lightweight cylinders.","\u002Fstorage\u002Ftradebuild\u002Fcategories\u002Fbmda_3d_render.webp","Aluminum Lightweight Cylinders (20–150 T, 700 Bar) | HydraStark","HydraStark Aluminum Lightweight Cylinders: 5 series (HDCA, HSCHA, HDCHA, HSC-LNA, HSCA). 20–150 T, 700 Bar. Factory-direct from Hangzhou, China.","Aluminum Lightweight Cylinders, HDCA, HSCHA, HDCHA, HSC-LNA, HSCA, Enerpac equivalent, HydraStark","2026-08-24T09:48:46.518573Z",{"id":287,"parent_id":31,"name":288,"name_en":288,"slug":289,"description":290,"image_url":291,"seo_title":292,"seo_description":293,"seo_keywords":294,"sort_order":27,"is_active":15,"product_count":53,"created_at":295,"updated_at":18},205,"Torque Wrench Dedicated Pumps","torque-wrench-dedicated-pumps","High-speed 4-tool synchronized torque pumps, standard electric torque wrench power packs, air driven torque pumps, and flameproof mining units.","\u002Fstorage\u002Ftradebuild\u002Fcategories\u002Fbhc_4tw_electric_torque_pump_main.webp","Torque Wrench Dedicated Pumps (700 Bar) | HydraStark","HydraStark Torque Wrench Dedicated Pumps: 4 series (HTW-P4E, HTW-P3S, HTW-PA, HTW-PEX). 700 Bar. Factory-direct from Hangzhou, China.","Torque Wrench Dedicated Pumps, HTW-P4E, HTW-P3S, HTW-PA, HTW-PEX, Enerpac equivalent, HydraStark","2026-08-24T09:48:46.522944Z",{"id":74,"parent_id":7,"name":297,"name_en":297,"slug":298,"description":299,"image_url":78,"seo_title":300,"seo_description":301,"seo_keywords":302,"sort_order":74,"is_active":15,"product_count":16,"created_at":303,"updated_at":18},"Flange Tools, Nut Splitters & Maintenance Equipment","flange-tools-nut-splitters-and-maintenance","Hydraulic nut splitters, wedge flange spreaders, flange misalignment correction tools, vertical hydraulic lifters, toe jacks, torque multipliers, and machinery moving skates.","Flange Tools, Nut Splitters & Maintenance Equipment | HydraStark","HydraStark Flange Tools, Nut Splitters & Maintenance Equipment: 14 series (HNS, HFS-W, HFS-I, HFA, HTM-H, HCJ and more). 700 Bar.","Flange Tools, Nut Splitters & Maintenance Equipment, HNS, HFS-W, HFS-I, HFA, HTM-H, HCJ, HBB, HMS-T, Enerpac equivalent, Equalizer equivalent, HydraStark","2026-08-14T06:41:07.076117Z",{"id":85,"parent_id":7,"name":305,"name_en":305,"slug":306,"description":307,"image_url":89,"seo_title":308,"seo_description":309,"seo_keywords":310,"sort_order":85,"is_active":15,"product_count":16,"created_at":311,"updated_at":18},"System Accessories, Valves & Fittings","hydraulic-accessories-valves-and-fittings","700-2800 Bar high-pressure hydraulic hoses, stainless steel pressure gauges, gauge adaptors, quick disconnect couplers, flow control valves, multi-port manifolds, and fittings.","System Accessories, Valves & Fittings (700–2,800 Bar) | HydraStark","HydraStark System Accessories, Valves & Fittings: 7 series (HGA, HQC, HFT, HSH, HSG, HSV and more). 700–2,800 Bar. Factory-direct from Hangzhou, China.","System Accessories, Valves & Fittings, HGA, HQC, HFT, HSH, HSG, HSV, HSM, Enerpac equivalent, HydraStark","2026-08-14T06:41:07.076407Z",{"id":6,"company_name":313,"company_name_en":314,"logo_url":315,"favicon_url":316,"seo_title":317,"seo_description":318,"seo_keywords":319,"homepage_title":7,"homepage_description":7,"products_page_title":7,"products_page_description":7,"phone":320,"fax":320,"mobile":320,"email":321,"address":322,"address_en":323,"latitude":7,"longitude":7,"working_hours":7,"year_established":324,"employee_count":325,"annual_revenue":7,"main_markets":326,"certifications":320,"settings":327,"updated_at":328},"杭州海德斯克液压机械有限公司","Hangzhou HydraStark Hydraulic Machinery Co., Ltd.","\u002Fstorage\u002Ftradebuild\u002Fbranding\u002Fhydrastark-logo.png","\u002Fstorage\u002Ftradebuild\u002Fbranding\u002Ffavicon.ico","HydraStark | High Pressure Hydraulic Cylinders & Tools","HydraStark makes 700 Bar hydraulic cylinders, torque wrenches, bolt tensioners and pumps in Hangzhou, China. Factory-direct since 2008.","hydraulic cylinders, hydraulic pumps, torque wrench, bolt tensioner, hydrastark","","sales@hydrastark.com","浙江省杭州市富阳区东洲街道何埭村长沙路358号1楼","1st Floor, No. 358 Changsha Road, Hedai Village, Dongzhou Street, Fuyang District, Hangzhou, Zhejiang, China",2008,"Dedicated Engineering & Production Team","North America, Europe, Australia, Middle East, Southeast Asia","{}","2026-08-14T06:41:07.066183Z",{"id":330,"category_id":20,"title":331,"title_en":331,"slug":332,"summary":333,"main_image_url":334,"specs":335,"tags":354,"sort_order":16,"is_active":15,"is_featured":15,"is_hot":15,"category":355},1800,"HSC Series S\u002FA General Purpose Cylinders","hsc-series-s-a-general-purpose-cylinders","Single-acting spring-return general-purpose hydraulic cylinders rated for 700 Bar (10,000 PSI), engineered for industrial lifting, pressing, production fixturing, and structural maintenance across 5 to 100 Ton capacities.","\u002Fstorage\u002Ftradebuild\u002Fproducts\u002Fhsc_series_gallery_01.webp",[336,339,342,345,348,351],{"key":337,"value":338},"RATED CAPACITY","5 - 100 Metric Tons",{"key":340,"value":341},"OPERATING PRESSURE","700 Bar (10,000 PSI)",{"key":343,"value":344},"ACTION & RETURN","Single-Acting, Spring Return",{"key":346,"value":347},"STROKE RANGE","25 - 362 mm",{"key":349,"value":350},"COLLAR THREADS","Standard Body Threads & Base Mounting Holes",{"key":352,"value":353},"SURFACE PROTECTION","Hard Chrome-Plated Plunger & Baked Enamel Body","5-150 Ton,Spring Return",{"id":20,"name":21,"name_en":21,"slug":22},[357,360],{"id":31,"platform":358,"url":359,"sort_order":6,"is_active":15},"whatsapp","https:\u002F\u002Fwa.me\u002Fmessage\u002F3PGIUK5774HUD1",{"id":27,"platform":361,"url":362,"sort_order":31,"is_active":15},"wechat","\u002Fimages\u002Fwechat-qrcode.png",{"id":364,"category_id":103,"title":365,"title_en":365,"slug":366,"summary":367,"content":368,"specs":369,"spec_table":386,"main_image_url":604,"video_url":320,"pdf_url":320,"seo_title":605,"seo_description":606,"seo_keywords":607,"tags":608,"sort_order":609,"is_active":15,"is_featured":15,"is_hot":610,"view_count":16,"inquiry_count":16,"ai_generated_desc":610,"created_at":611,"updated_at":612,"images":613,"category":629,"related":630},1805,"HDCH Series D\u002FA Hollow Plunger Cylinders","hdch-series-d-a-hollow-plunger-cylinders","The HDCH-Series is a heavy-duty, double-acting hollow plunger hydraulic cylinder engineered for high-tonnage tensioning, cable pulling, structural load testing, and industrial maintenance. Featuring a full-length center bore, it allows tension rods, pre-stressing strands, and cables to pass straight through the cylinder body for bidirectional pulling and pushing. Rated for 700 Bar (10,000 PSI) across 30 to 150 Metric Ton capacities, double-acting hydraulic return delivers rapid, controlled retraction with integrated safety relief protection.","\u003Cdiv class=\"product-rich-content font-sans text-slate-800\" style=\"color: #1e293b; line-height: 1.7;\">\n\n  \u003C!-- ========================================================================= -->\n  \u003C!-- PART 1: ENGINEERING EXECUTIVE SUMMARY                                     -->\n  \u003C!-- ========================================================================= -->\n  \u003Cdiv style=\"margin-bottom: 36px;\">\n    \u003Cdiv style=\"max-width: 980px;\">\n      \u003Cp style=\"margin: 0; font-size: 15px; color: #475569; line-height: 1.8;\">\n        The \u003Cstrong>HDCH Series Double-Acting Hollow Plunger Hydraulic Cylinders\u003C\u002Fstrong> are precision-engineered for heavy-duty tensioning, post-tensioning tendons, cable pulling, structural load testing, and industrial maintenance. Operating at \u003Cstrong>700 Bar (10,000 PSI)\u003C\u002Fstrong> working pressure with capacities from \u003Cstrong>30 to 150 Metric Tons\u003C\u002Fstrong>, the central hollow bore allows tie rods, strands, and cables to pass straight through the cylinder body. Double-acting hydraulic return delivers rapid, controlled retraction under full tonnage, while integrated safety relief valves protect against accidental retract-circuit over-pressurization.\n      \u003C\u002Fp>\n    \u003C\u002Fdiv>\n  \u003C\u002Fdiv>\n\n  \u003C!-- ========================================================================= -->\n  \u003C!-- PART 2: CORE ENGINEERING ARCHITECTURE & FEATURES                          -->\n  \u003C!-- ========================================================================= -->\n  \u003Cdiv style=\"margin-bottom: 48px;\">\n    \u003Cdiv style=\"margin-bottom: 24px;\">\n      \u003Cspan style=\"font-size: 11px; font-weight: 700; color: #f97316; text-transform: uppercase; letter-spacing: 0.1em; display: block; margin-bottom: 4px;\">\n        ENGINEERING HIGHLIGHTS\n      \u003C\u002Fspan>\n      \u003Ch3 style=\"font-size: 22px; font-weight: 800; color: #0f172a; margin: 0; letter-spacing: -0.02em;\">\n        Structural Features & Engineering Advantages\n      \u003C\u002Fh3>\n    \u003C\u002Fdiv>\n\n    \u003C!-- 6 Responsive Engineering Cards Grid -->\n    \u003Cdiv style=\"display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 16px;\">\n\n      \u003C!-- Card 1 -->\n      \u003Cdiv style=\"background: #ffffff; border: 1px solid #e2e8f0; border-radius: 12px; padding: 22px; box-shadow: 0 1px 3px rgba(0,0,0,0.02); transition: all 0.2s ease;\">\n        \u003Cdiv style=\"display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px;\">\n          \u003Cspan style=\"font-size: 12px; font-weight: 800; color: #f97316; font-family: monospace;\">01\u003C\u002Fspan>\n          \u003Cspan style=\"font-size: 10px; font-weight: 700; color: #64748b; text-transform: uppercase; background: #f8fafc; padding: 2px 8px; border-radius: 4px; border: 1px solid #f1f5f9;\">PRESSURE RELIEF\u003C\u002Fspan>\n        \u003C\u002Fdiv>\n        \u003Ch4 style=\"font-size: 15px; font-weight: 700; color: #0f172a; margin: 0 0 8px 0;\">\n          Integrated Safety Relief Valve\n        \u003C\u002Fh4>\n        \u003Cp style=\"margin: 0; font-size: 13px; color: #64748b; line-height: 1.6;\">\n          A built-in safety relief valve automatically releases pressure when high backpressure or accidental line blockages occur in the retract circuit, preventing catastrophic cylinder rupture and safeguarding personnel.\n        \u003C\u002Fp>\n      \u003C\u002Fdiv>\n\n      \u003C!-- Card 2 -->\n      \u003Cdiv style=\"background: #ffffff; border: 1px solid #e2e8f0; border-radius: 12px; padding: 22px; box-shadow: 0 1px 3px rgba(0,0,0,0.02); transition: all 0.2s ease;\">\n        \u003Cdiv style=\"display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px;\">\n          \u003Cspan style=\"font-size: 12px; font-weight: 800; color: #f97316; font-family: monospace;\">02\u003C\u002Fspan>\n          \u003Cspan style=\"font-size: 10px; font-weight: 700; color: #64748b; text-transform: uppercase; background: #f8fafc; padding: 2px 8px; border-radius: 4px; border: 1px solid #f1f5f9;\">OVER-TRAVEL CONTROL\u003C\u002Fspan>\n        \u003C\u002Fdiv>\n        \u003Ch4 style=\"font-size: 15px; font-weight: 700; color: #0f172a; margin: 0 0 8px 0;\">\n          Hardened Alloy Steel Guide Ring\n        \u003C\u002Fh4>\n        \u003Cp style=\"margin: 0; font-size: 13px; color: #64748b; line-height: 1.6;\">\n          Full-tonnage stop and guide ring eliminates over-travel risk under full hydraulic thrust while providing rigid lateral support to minimize wear and internal galling from off-center structural loads.\n        \u003C\u002Fp>\n      \u003C\u002Fdiv>\n\n      \u003C!-- Card 3 -->\n      \u003Cdiv style=\"background: #ffffff; border: 1px solid #e2e8f0; border-radius: 12px; padding: 22px; box-shadow: 0 1px 3px rgba(0,0,0,0.02); transition: all 0.2s ease;\">\n        \u003Cdiv style=\"display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px;\">\n          \u003Cspan style=\"font-size: 12px; font-weight: 800; color: #f97316; font-family: monospace;\">03\u003C\u002Fspan>\n          \u003Cspan style=\"font-size: 10px; font-weight: 700; color: #64748b; text-transform: uppercase; background: #f8fafc; padding: 2px 8px; border-radius: 4px; border: 1px solid #f1f5f9;\">ZERO-LEAK DYNAMICS\u003C\u002Fspan>\n        \u003C\u002Fdiv>\n        \u003Ch4 style=\"font-size: 15px; font-weight: 700; color: #0f172a; margin: 0 0 8px 0;\">\n          Industrial U-Cup Sealing System\n        \u003C\u002Fh4>\n        \u003Cp style=\"margin: 0; font-size: 13px; color: #64748b; line-height: 1.6;\">\n          Premium polyurethane U-cup dynamic seals paired with resilient backup rings maintain exceptional sealing integrity under harsh 700 Bar cycling, preventing costly downtime and fluid leaks.\n        \u003C\u002Fp>\n      \u003C\u002Fdiv>\n\n      \u003C!-- Card 4 -->\n      \u003Cdiv style=\"background: #ffffff; border: 1px solid #e2e8f0; border-radius: 12px; padding: 22px; box-shadow: 0 1px 3px rgba(0,0,0,0.02); transition: all 0.2s ease;\">\n        \u003Cdiv style=\"display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px;\">\n          \u003Cspan style=\"font-size: 12px; font-weight: 800; color: #f97316; font-family: monospace;\">04\u003C\u002Fspan>\n          \u003Cspan style=\"font-size: 10px; font-weight: 700; color: #64748b; text-transform: uppercase; background: #f8fafc; padding: 2px 8px; border-radius: 4px; border: 1px solid #f1f5f9;\">PLUNGER ARMOR\u003C\u002Fspan>\n        \u003C\u002Fdiv>\n        \u003Ch4 style=\"font-size: 15px; font-weight: 700; color: #0f172a; margin: 0 0 8px 0;\">\n          Hardened & Hard-Chromed Plunger\n        \u003C\u002Fh4>\n        \u003Cp style=\"margin: 0; font-size: 13px; color: #64748b; line-height: 1.6;\">\n          The alloy steel center-bore plunger undergoes precision heat-treatment and micro-polished hard chrome plating, offering exceptional resistance against mechanical abrasion, scoring, and corrosion.\n        \u003C\u002Fp>\n      \u003C\u002Fdiv>\n\n      \u003C!-- Card 5 -->\n      \u003Cdiv style=\"background: #ffffff; border: 1px solid #e2e8f0; border-radius: 12px; padding: 22px; box-shadow: 0 1px 3px rgba(0,0,0,0.02); transition: all 0.2s ease;\">\n        \u003Cdiv style=\"display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px;\">\n          \u003Cspan style=\"font-size: 12px; font-weight: 800; color: #f97316; font-family: monospace;\">05\u003C\u002Fspan>\n          \u003Cspan style=\"font-size: 10px; font-weight: 700; color: #64748b; text-transform: uppercase; background: #f8fafc; padding: 2px 8px; border-radius: 4px; border: 1px solid #f1f5f9;\">CHASSIS RESILIENCE\u003C\u002Fspan>\n        \u003C\u002Fdiv>\n        \u003Ch4 style=\"font-size: 15px; font-weight: 700; color: #0f172a; margin: 0 0 8px 0;\">\n          Forged Alloy Body & Baked Enamel\n        \u003C\u002Fh4>\n        \u003Cp style=\"margin: 0; font-size: 13px; color: #64748b; line-height: 1.6;\">\n          Solid forged high-strength alloy steel barrel is CNC precision-bored and finished with a baked enamel coating, delivering superior corrosion protection across harsh offshore and industrial job sites.\n        \u003C\u002Fp>\n      \u003C\u002Fdiv>\n\n      \u003C!-- Card 6 -->\n      \u003Cdiv style=\"background: #ffffff; border: 1px solid #e2e8f0; border-radius: 12px; padding: 22px; box-shadow: 0 1px 3px rgba(0,0,0,0.02); transition: all 0.2s ease;\">\n        \u003Cdiv style=\"display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px;\">\n          \u003Cspan style=\"font-size: 12px; font-weight: 800; color: #f97316; font-family: monospace;\">06\u003C\u002Fspan>\n          \u003Cspan style=\"font-size: 10px; font-weight: 700; color: #64748b; text-transform: uppercase; background: #f8fafc; padding: 2px 8px; border-radius: 4px; border: 1px solid #f1f5f9;\">BEARING BAND & COUPLER\u003C\u002Fspan>\n        \u003C\u002Fdiv>\n        \u003Ch4 style=\"font-size: 15px; font-weight: 700; color: #0f172a; margin: 0 0 8px 0;\">\n          Composite Bearing & High-Flow Couplers\n        \u003C\u002Fh4>\n        \u003Cp style=\"margin: 0; font-size: 13px; color: #64748b; line-height: 1.6;\">\n          Engineered high-strength composite bearing bands safely absorb severe side loads without damaging internal cylinder walls. Standard heavy-duty 3\u002F8\" NPT couplers come complete with protective dust caps.\n        \u003C\u002Fp>\n      \u003C\u002Fdiv>\n\n    \u003C\u002Fdiv>\n  \u003C\u002Fdiv>\n\n  \u003C!-- ========================================================================= -->\n  \u003C!-- PART 3: DIMENSIONAL ENGINEERING BLUEPRINT (Compact & Tight Bounding Box)  -->\n  \u003C!-- ========================================================================= -->\n  \u003Cdiv style=\"margin-bottom: 36px;\">\n    \u003Cdiv style=\"margin-bottom: 20px;\">\n      \u003Cspan style=\"font-size: 11px; font-weight: 700; color: #f97316; text-transform: uppercase; letter-spacing: 0.1em; display: block; margin-bottom: 4px;\">\n        DIMENSIONAL VERIFICATION\n      \u003C\u002Fspan>\n      \u003Ch3 style=\"font-size: 20px; font-weight: 800; color: #0f172a; margin: 0; letter-spacing: -0.02em;\">\n        Dimensional Engineering Blueprint\n      \u003C\u002Fh3>\n    \u003C\u002Fdiv>\n\n    \u003C!-- Blueprint Canvas: 紧凑贴合，无上下多余空白 -->\n    \u003Cdiv style=\"background: #f8fafc; border: 1px solid #e2e8f0; border-radius: 12px; padding: 24px; text-align: center;\">\n      \u003Cdiv style=\"max-width: 880px; margin: 0 auto 16px auto;\">\n        \u003Cimg\n          src=\"\u002Fstorage\u002Ftradebuild\u002Fproducts\u002Fhdch_real_cad_blueprint.webp?v=compact_v2\"\n          alt=\"HydraStark HDCH Series CAD Dimensional Blueprint\"\n          style=\"width: 100%; height: auto; max-height: 480px; object-fit: contain; display: block; margin: 0 auto; filter: drop-shadow(0 4px 12px rgba(0,0,0,0.05));\"\n        \u002F>\n      \u003C\u002Fdiv>\n      \u003Cp style=\"margin: 0; font-size: 13px; color: #64748b; text-align: center; max-width: 820px; margin: 0 auto; line-height: 1.6;\">\n        Dimension designations (\u003Cstrong>A\u003C\u002Fstrong>: Collapsed Height, \u003Cstrong>B\u003C\u002Fstrong>: Extended Height, \u003Cstrong>D\u003C\u002Fstrong>: Outside Diameter, \u003Cstrong>X\u003C\u002Fstrong>: Center Hole Diameter, \u003Cstrong>F\u003C\u002Fstrong>: Plunger Diameter, \u003Cstrong>P\u002FU\u002FV\u002FZ\u003C\u002Fstrong>: Collar & Base Mounting Holes) correspond precisely to the Technical Specifications matrix below.\n      \u003C\u002Fp>\n    \u003C\u002Fdiv>\n  \u003C\u002Fdiv>\n\n\u003C\u002Fdiv>",[370,372,374,377,380,383],{"key":337,"value":371},"30 - 150 METRIC TONS",{"key":346,"value":373},"38 - 258 MM (1.5 - 10.15 IN)",{"key":375,"value":376},"RETRACTION MECHANISM","DOUBLE-ACTING, HYDRAULIC RETURN",{"key":378,"value":379},"CENTER BORE DIAMETER","Ø 33.3 - 79.2 MM (FULL-LENGTH PASS-THROUGH)",{"key":381,"value":382},"CYLINDER CONSTRUCTION","HIGH-STRENGTH ALLOY STEEL WITH HARD CHROME PLUNGER",{"key":384,"value":385},"MAX WORKING PRESSURE","700 BAR (10,000 PSI)",{"headers":387,"rows":480},[388,391,395,399,409,417,425,429,433,437,441,445,449,453,457,472,476],{"key":389,"label":390},"model_code","Model",{"key":392,"label":393,"unit":394},"capacity","Capacity @10,000 PSI (700 bar)","Metric Ton",{"key":396,"label":397,"unit":398},"stroke","Stroke","mm",{"children":400,"label":408},[401,405],{"key":402,"label":403,"unit":404},"max_cap_push","Push","Ton",{"key":406,"label":407,"unit":404},"max_cap_pull","Pull","Max. Capacity (Ton)",{"children":410,"label":416},[411,414],{"key":412,"label":403,"unit":413},"eff_area_push","cm2",{"key":415,"label":407,"unit":413},"eff_area_pull","Effective Area (cm²)",{"children":418,"label":424},[419,422],{"key":420,"label":403,"unit":421},"oil_cap_push","cm3",{"key":423,"label":407,"unit":421},"oil_cap_pull","Oil Capacity (cm³)",{"key":426,"label":427,"symbol":428,"unit":398},"closed_height","Closed Height","A",{"key":430,"label":431,"symbol":432,"unit":398},"extended_height","Extended Height","B",{"key":434,"label":435,"symbol":436},"collar_thread","Collar Thread","C",{"key":438,"label":439,"symbol":440,"unit":398},"collar_len","Collar Thread Length","X",{"key":442,"label":443,"symbol":444,"unit":398},"outside_diam","Outside Diam.","D",{"key":446,"label":447,"symbol":448,"unit":398},"piston_diam","Piston Diam.","F",{"key":450,"label":451,"symbol":452},"piston_inner_thread","Piston Inner Thread","O",{"key":454,"label":455,"symbol":456,"unit":398},"inner_thread_len","Thread Length","P",{"children":458,"label":471},[459,463,467],{"key":460,"label":461,"symbol":462,"unit":398},"base_bolt_circle","Bolt Circle","U",{"key":464,"label":465,"symbol":466},"base_thread","Thread","V",{"key":468,"label":469,"symbol":470,"unit":398},"base_thread_depth","Thread Depth","Z","Base Mounting Hole",{"key":473,"label":474,"symbol":475,"unit":398},"center_hole_diam","Center Hole Diam.","Y",{"key":477,"label":478,"unit":479},"weight","Weight","Kg",[481,503,511,532,540,549,566,574,582,589],{"base_bolt_circle":482,"base_thread":483,"base_thread_depth":484,"capacity":485,"center_hole_diam":486,"closed_height":487,"collar_len":488,"collar_thread":489,"eff_area_pull":490,"eff_area_push":491,"extended_height":492,"inner_thread_len":493,"max_cap_pull":493,"max_cap_push":494,"model_code":495,"oil_cap_pull":496,"oil_cap_push":497,"outside_diam":498,"piston_diam":499,"piston_inner_thread":500,"stroke":501,"weight":502},"92","3\u002F8\" - 16 UNC","15.5","30","33.3","330","42","4.1\u002F2\" - 12 UN","32.4","47.7","508","22","33","HDCH-307","577","849","114","65","1 13\u002F16'' -16","178","21",{"base_bolt_circle":482,"base_thread":483,"base_thread_depth":484,"capacity":485,"center_hole_diam":486,"closed_height":504,"collar_len":488,"collar_thread":489,"eff_area_pull":490,"eff_area_push":491,"extended_height":505,"inner_thread_len":493,"max_cap_pull":493,"max_cap_push":494,"model_code":506,"oil_cap_pull":507,"oil_cap_push":508,"outside_diam":498,"piston_diam":499,"piston_inner_thread":500,"stroke":509,"weight":510},"431","689","HDCH-3010","836","1231","258","27",{"base_bolt_circle":512,"base_thread":513,"base_thread_depth":514,"capacity":515,"center_hole_diam":516,"closed_height":517,"collar_len":518,"collar_thread":519,"eff_area_pull":520,"eff_area_push":521,"extended_height":522,"inner_thread_len":523,"max_cap_pull":524,"max_cap_push":515,"model_code":525,"oil_cap_pull":526,"oil_cap_push":527,"outside_diam":528,"piston_diam":482,"piston_inner_thread":529,"stroke":530,"weight":531},"130","1\u002F2\" - 13 UNC","14","60","53.8","246","48","6.1\u002F4\" - 12 UNC","56.2","87.4","335","19","39","HDCH-603","481","778","159","2 3\u002F4''-16","89","28",{"base_bolt_circle":512,"base_thread":513,"base_thread_depth":514,"capacity":515,"center_hole_diam":516,"closed_height":533,"collar_len":518,"collar_thread":519,"eff_area_pull":520,"eff_area_push":521,"extended_height":534,"inner_thread_len":523,"max_cap_pull":524,"max_cap_push":515,"model_code":535,"oil_cap_pull":536,"oil_cap_push":537,"outside_diam":528,"piston_diam":482,"piston_inner_thread":529,"stroke":538,"weight":539},"323","489","HDCH-606","891","1451","166","35",{"base_bolt_circle":512,"base_thread":513,"base_thread_depth":514,"capacity":515,"center_hole_diam":516,"closed_height":541,"collar_len":518,"collar_thread":519,"eff_area_pull":520,"eff_area_push":521,"extended_height":542,"inner_thread_len":543,"max_cap_pull":524,"max_cap_push":515,"model_code":544,"oil_cap_pull":545,"oil_cap_push":546,"outside_diam":528,"piston_diam":482,"piston_inner_thread":529,"stroke":547,"weight":548},"438","695","25","HDCH-6010","1388","2246","257","45",{"base_bolt_circle":501,"base_thread":550,"base_thread_depth":523,"capacity":551,"center_hole_diam":552,"closed_height":553,"collar_len":554,"collar_thread":554,"eff_area_pull":555,"eff_area_push":556,"extended_height":557,"inner_thread_len":543,"max_cap_pull":515,"max_cap_push":558,"model_code":559,"oil_cap_pull":560,"oil_cap_push":561,"outside_diam":562,"piston_diam":563,"piston_inner_thread":564,"stroke":565,"weight":494},"5\u002F8\" - 11 UNC","95","79.2","165","-","87.1","135.2","203","93","HDCH-1001","331","514","212","127","4''-16","38",{"base_bolt_circle":501,"base_thread":550,"base_thread_depth":523,"capacity":551,"center_hole_diam":552,"closed_height":567,"collar_len":515,"collar_thread":568,"eff_area_pull":555,"eff_area_push":556,"extended_height":487,"inner_thread_len":543,"max_cap_pull":515,"max_cap_push":558,"model_code":569,"oil_cap_pull":570,"oil_cap_push":571,"outside_diam":562,"piston_diam":563,"piston_inner_thread":564,"stroke":572,"weight":573},"254","8.3\u002F8\" - 12 UN","HDCH-1003","662","1027","76","61",{"base_bolt_circle":501,"base_thread":550,"base_thread_depth":523,"capacity":551,"center_hole_diam":552,"closed_height":575,"collar_len":515,"collar_thread":568,"eff_area_pull":555,"eff_area_push":556,"extended_height":576,"inner_thread_len":543,"max_cap_pull":515,"max_cap_push":558,"model_code":577,"oil_cap_pull":578,"oil_cap_push":579,"outside_diam":562,"piston_diam":563,"piston_inner_thread":564,"stroke":580,"weight":581},"342","495","HDCH-1006","1333","2069","153","79",{"base_bolt_circle":501,"base_thread":550,"base_thread_depth":523,"capacity":551,"center_hole_diam":552,"closed_height":583,"collar_len":515,"collar_thread":568,"eff_area_pull":555,"eff_area_push":556,"extended_height":584,"inner_thread_len":543,"max_cap_pull":515,"max_cap_push":558,"model_code":585,"oil_cap_pull":586,"oil_cap_push":587,"outside_diam":562,"piston_diam":563,"piston_inner_thread":564,"stroke":547,"weight":588},"460","717","HDCH-10010","2239","3475","107",{"base_bolt_circle":554,"base_thread":554,"base_thread_depth":554,"capacity":590,"center_hole_diam":552,"closed_height":591,"collar_len":554,"collar_thread":554,"eff_area_pull":592,"eff_area_push":593,"extended_height":594,"inner_thread_len":543,"max_cap_pull":595,"max_cap_push":596,"model_code":597,"oil_cap_pull":598,"oil_cap_push":599,"outside_diam":600,"piston_diam":601,"piston_inner_thread":602,"stroke":557,"weight":603},"150","349","102","196.8","552","70","136","HDCH-1508","2074","3995","247","152.5","4 1\u002F4''-12","111","\u002Fstorage\u002Ftradebuild\u002Fproducts\u002Fhdch_series_gallery_01.webp","HDCH Hollow Plunger Cylinders, Double-Acting | Enerpac RRH | HydraStark","HydraStark HDCH double-acting hollow plunger hydraulic cylinders: 30–150 T, 700 Bar. Comparable to Enerpac RRH. Tested at 125% of rated pressure.","HDCH Series, HDCH D\u002FA Hollow Plunger Cylinders, Enerpac RRH equivalent, RRH-307, RRH-3010, RRH-606, RRH-6010, RRH-1003, RRH-1006, HydraStark","Capacity Close Extended Collar Thread Thread Outside Piston Piston Inner Thread Center,Double Acting",50,false,"2026-08-14T11:52:24.030484Z","2026-11-02T17:54:48.466094Z",[614,617,621,625],{"id":615,"product_id":364,"image_url":604,"thumbnail_url":320,"alt_text":616,"sort_order":16,"is_primary":15},10362,"HydraStark HDCH Series D\u002FA Hollow Plunger Cylinders - product photo 1",{"id":618,"product_id":364,"image_url":619,"thumbnail_url":320,"alt_text":620,"sort_order":6,"is_primary":610},10363,"\u002Fstorage\u002Ftradebuild\u002Fproducts\u002Fhdch_series_gallery_02.webp","HydraStark HDCH Series D\u002FA Hollow Plunger Cylinders - product photo 2",{"id":622,"product_id":364,"image_url":623,"thumbnail_url":320,"alt_text":624,"sort_order":31,"is_primary":610},10364,"\u002Fstorage\u002Ftradebuild\u002Fproducts\u002Fhdch_series_gallery_03.webp","HydraStark HDCH Series D\u002FA Hollow Plunger Cylinders - product photo 3",{"id":626,"product_id":364,"image_url":627,"thumbnail_url":320,"alt_text":628,"sort_order":39,"is_primary":610},10365,"\u002Fstorage\u002Ftradebuild\u002Fproducts\u002Fhdch_real_cad_blueprint.webp?v=compact_v2","HydraStark HDCH Series D\u002FA Hollow Plunger Cylinders - CAD dimensional drawing",{"id":103,"parent_id":6,"name":104,"name_en":104,"slug":105,"description":106,"image_url":107,"seo_title":108,"seo_description":109,"seo_keywords":110,"sort_order":31,"is_active":15,"product_count":31,"created_at":111,"updated_at":18},[631],{"id":632,"category_id":103,"title":633,"title_en":633,"slug":634,"summary":635,"content":636,"specs":637,"spec_table":649,"main_image_url":772,"video_url":320,"pdf_url":320,"seo_title":773,"seo_description":774,"seo_keywords":775,"tags":776,"sort_order":777,"is_active":15,"is_featured":15,"is_hot":610,"view_count":16,"inquiry_count":16,"ai_generated_desc":610,"created_at":778,"updated_at":612},1804,"HSCH Series S\u002FA Hollow Plunger Cylinders","hsch-series-s-a-hollow-plunger-cylinders","Single-acting spring-return hollow plunger cylinders rated for 700 Bar (10,000 PSI), engineered for bolt tensioning, tendon pulling, bushing extraction, and load testing across 13 to 100 Ton capacities.","\u003Cdiv class=\"product-rich-content font-sans text-slate-800\" style=\"color: #1e293b; line-height: 1.7;\">\n\n  \u003C!-- ========================================================================= -->\n  \u003C!-- PART 1: ENGINEERING EXECUTIVE SUMMARY                                     -->\n  \u003C!-- ========================================================================= -->\n  \u003Cdiv style=\"margin-bottom: 40px;\">\n    \u003Cdiv style=\"max-width: 980px;\">\n      \u003Cp style=\"margin: 0; font-size: 15px; color: #475569; line-height: 1.8;\">\n        The \u003Cstrong>HSCH Series Single-Acting Hollow Plunger Cylinders\u003C\u002Fstrong> are engineered specifically to provide dual-function push and pull forces across demanding industrial maintenance, civil construction, and heavy manufacturing. Operating at \u003Cstrong>700 Bar (10,000 PSI)\u003C\u002Fstrong> working pressure with rated capacities from \u003Cstrong>13 to 100 Metric Tons\u003C\u002Fstrong>, the central through-bore permits rods, cables, or pulling screws to pass entirely through the cylinder body, transforming complex bolt tensioning, structural tendon prestressing, and bearing extraction into smooth, single-operator operations.\n      \u003C\u002Fp>\n    \u003C\u002Fdiv>\n  \u003C\u002Fdiv>\n\n  \u003C!-- ========================================================================= -->\n  \u003C!-- PART 2: CORE ENGINEERING ARCHITECTURE & FEATURE CARDS                     -->\n  \u003C!-- ========================================================================= -->\n  \u003Cdiv style=\"margin-bottom: 48px;\">\n    \u003Cdiv style=\"margin-bottom: 20px;\">\n      \u003Cspan style=\"font-family: monospace; font-size: 11.5px; color: #64748b; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; display: block; border-left: 3px solid #f97316; padding-left: 10px;\">\n        CORE ENGINEERING ARCHITECTURE & STRUCTURAL ADVANTAGES\n      \u003C\u002Fspan>\n    \u003C\u002Fdiv>\n\n    \u003C!-- Responsive Engineering Feature Cards Grid (4 Cards) -->\n    \u003Cdiv style=\"display: grid; grid-template-columns: repeat(auto-fit, minmax(310px, 1fr)); gap: 20px;\">\n      \n      \u003C!-- Card 01 -->\n      \u003Cdiv style=\"background-color: #ffffff; border: 1px solid #e2e8f0; border-radius: 8px; padding: 24px; box-shadow: 0 1px 3px rgba(0,0,0,0.04); display: flex; flex-direction: column;\">\n        \u003Cdiv style=\"display: flex; align-items: center; margin-bottom: 14px;\">\n          \u003Cdiv style=\"width: 36px; height: 36px; border-radius: 6px; background-color: #0f172a; color: #f59e0b; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 15px; margin-right: 14px; flex-shrink: 0;\">01\u003C\u002Fdiv>\n          \u003Ch3 style=\"margin: 0; color: #0f172a; font-size: 14.5px; font-weight: 700; text-transform: uppercase;\">Center Hole Through-Bore\u003C\u002Fh3>\n        \u003C\u002Fdiv>\n        \u003Cp style=\"margin: 0; color: #475569; font-size: 13.5px; line-height: 1.6;\">\n          Precision-machined full-length central bore (Ø 19.6 mm to 79.0 mm) allows seamless insertion of tie rods, bridge stay cables, and threaded pulling studs for tensioning and pulling operations.\n        \u003C\u002Fp>\n      \u003C\u002Fdiv>\n\n      \u003C!-- Card 02 -->\n      \u003Cdiv style=\"background-color: #ffffff; border: 1px solid #e2e8f0; border-radius: 8px; padding: 24px; box-shadow: 0 1px 3px rgba(0,0,0,0.04); display: flex; flex-direction: column;\">\n        \u003Cdiv style=\"display: flex; align-items: center; margin-bottom: 14px;\">\n          \u003Cdiv style=\"width: 36px; height: 36px; border-radius: 6px; background-color: #0f172a; color: #f59e0b; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 15px; margin-right: 14px; flex-shrink: 0;\">02\u003C\u002Fdiv>\n          \u003Ch3 style=\"margin: 0; color: #0f172a; font-size: 14.5px; font-weight: 700; text-transform: uppercase;\">Hardened Alloy Guide Ring\u003C\u002Fh3>\n        \u003C\u002Fdiv>\n        \u003Cp style=\"margin: 0; color: #475569; font-size: 13.5px; line-height: 1.6;\">\n          Heavy-duty stop ring machined from heat-treated alloy steel eliminates piston over-travel at full extension while absorbing severe eccentric lateral side-loading without barrel galling.\n        \u003C\u002Fp>\n      \u003C\u002Fdiv>\n\n      \u003C!-- Card 03 -->\n      \u003Cdiv style=\"background-color: #ffffff; border: 1px solid #e2e8f0; border-radius: 8px; padding: 24px; box-shadow: 0 1px 3px rgba(0,0,0,0.04); display: flex; flex-direction: column;\">\n        \u003Cdiv style=\"display: flex; align-items: center; margin-bottom: 14px;\">\n          \u003Cdiv style=\"width: 36px; height: 36px; border-radius: 6px; background-color: #0f172a; color: #f59e0b; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 15px; margin-right: 14px; flex-shrink: 0;\">03\u003C\u002Fdiv>\n          \u003Ch3 style=\"margin: 0; color: #0f172a; font-size: 14.5px; font-weight: 700; text-transform: uppercase;\">Hardened Chrome Plunger\u003C\u002Fh3>\n        \u003C\u002Fdiv>\n        \u003Cp style=\"margin: 0; color: #475569; font-size: 13.5px; line-height: 1.6;\">\n          Dual hard-chrome plating on both the inner bore and outer cylinder body provides extreme abrasion and corrosion protection, paired with bronze overlay bearings for long operational life.\n        \u003C\u002Fp>\n      \u003C\u002Fdiv>\n\n      \u003C!-- Card 04 -->\n      \u003Cdiv style=\"background-color: #ffffff; border: 1px solid #e2e8f0; border-radius: 8px; padding: 24px; box-shadow: 0 1px 3px rgba(0,0,0,0.04); display: flex; flex-direction: column;\">\n        \u003Cdiv style=\"display: flex; align-items: center; margin-bottom: 14px;\">\n          \u003Cdiv style=\"width: 36px; height: 36px; border-radius: 6px; background-color: #0f172a; color: #f59e0b; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 15px; margin-right: 14px; flex-shrink: 0;\">04\u003C\u002Fdiv>\n          \u003Ch3 style=\"margin: 0; color: #0f172a; font-size: 14.5px; font-weight: 700; text-transform: uppercase;\">Heavy-Duty Straight-Pull Spring\u003C\u002Fh3>\n        \u003C\u002Fdiv>\n        \u003Cp style=\"margin: 0; color: #475569; font-size: 13.5px; line-height: 1.6;\">\n          Pre-tensioned industrial straight-pull return spring guarantees rapid, repeatable plunger retraction even when pulling cables or long rods through the center hole cavity.\n        \u003C\u002Fp>\n      \u003C\u002Fdiv>\n\n    \u003C\u002Fdiv>\n  \u003C\u002Fdiv>\n\n  \u003C!-- ========================================================================= -->\n  \u003C!-- PART 3: AUTHENTIC CAD BLUEPRINT DIMENSIONAL REFERENCE                     -->\n  \u003C!-- ========================================================================= -->\n  \u003Cdiv style=\"margin-bottom: 48px;\">\n    \u003Cdiv style=\"margin-bottom: 20px;\">\n      \u003Cspan style=\"font-family: monospace; font-size: 11.5px; color: #64748b; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; display: block; border-left: 3px solid #f97316; padding-left: 10px;\">\n        AUTHENTIC ENGINEERING BLUEPRINT & METRIC DIMENSIONAL SCHEMATIC\n      \u003C\u002Fspan>\n    \u003C\u002Fdiv>\n    \n    \u003Cdiv style=\"background-color: #ffffff; border: 1px solid #e2e8f0; border-radius: 8px; padding: 28px; box-shadow: 0 1px 3px rgba(0,0,0,0.04); text-align: center;\">\n      \u003Cimg \n        src=\"\u002Fstorage\u002Ftradebuild\u002Fproducts\u002Fhsh_real_cad_blueprint.webp\" \n        alt=\"HydraStark HSCH Series Single-Acting Hollow Plunger Cylinder Metric CAD Dimensional Blueprint\" \n        style=\"max-width: 100%; height: auto; display: inline-block; margin: 0 auto;\"\n      \u002F>\n      \u003Cdiv style=\"margin-top: 14px; font-family: monospace; font-size: 12px; color: #64748b; text-transform: uppercase;\">\n        Figure 1: HSCH Series Center-Bore & Collar Thread Metric Dimensional Blueprint (Corresponds to Engineering Table Below)\n      \u003C\u002Fdiv>\n    \u003C\u002Fdiv>\n  \u003C\u002Fdiv>\n\n\u003C\u002Fdiv>",[638,640,641,642,645,647],{"key":337,"value":639},"13 - 100 Metric Tons",{"key":340,"value":341},{"key":343,"value":344},{"key":643,"value":644},"CENTER HOLE DIAMETER","Ø 19.6 - 79.0 mm (Rods & Cables)",{"key":346,"value":646},"8 - 155 mm",{"key":352,"value":648},"Hard Chrome-Plated Plunger & Bronze 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HydraStark","HydraStark HSCH single-acting hollow plunger hydraulic cylinders: 13–100 T, 700 Bar. Comparable to Enerpac RCH. Tested at 125% of rated pressure.","HSCH Series, HSCH S\u002FA Hollow Plunger Cylinders, Enerpac RCH equivalent, RCH-120, RCH-121, RCH-1211, RCH-123, RCH-202, RCH-206, HydraStark","Model Ca P p S a I c i ( t 7 y 0 @ 0 1 b 0 a , r 0 ) 00 Stroke Ef A fe r c e t a ive Oil Capacity Height Height Thread T Le h n re g a th d Diam. Diam. Thread Length C B ir o c l l t e Thread T D h e re p a th d D H ia o m le . Weight Model,Spring Return",40,"2026-08-14T11:52:24.028923Z"]