[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"company-profile-en":3,"product-categories-en":22,"nav-featured-product-en":329,"social-links":356,"product-hsch-series-s-a-hollow-plunger-cylinders-en":363},{"id":4,"company_name":5,"company_name_en":6,"logo_url":7,"favicon_url":8,"seo_title":9,"seo_description":10,"seo_keywords":11,"homepage_title":12,"homepage_description":12,"products_page_title":12,"products_page_description":12,"phone":13,"fax":13,"mobile":13,"email":14,"address":15,"address_en":16,"latitude":12,"longitude":12,"working_hours":12,"year_established":17,"employee_count":18,"annual_revenue":12,"main_markets":19,"certifications":13,"settings":20,"updated_at":21},1,"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",null,"","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",{"list":23},[24,36,46,58,68,79,89,100,111,119,129,139,149,159,169,179,189,197,207,217,227,237,245,255,265,275,285,293,303,313,321],{"id":4,"parent_id":12,"name":25,"name_en":25,"slug":26,"description":27,"image_url":28,"seo_title":29,"seo_description":30,"seo_keywords":31,"sort_order":4,"is_active":32,"product_count":33,"created_at":34,"updated_at":35},"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":37,"parent_id":4,"name":38,"name_en":38,"slug":39,"description":40,"image_url":28,"seo_title":41,"seo_description":42,"seo_keywords":43,"sort_order":4,"is_active":32,"product_count":44,"created_at":45,"updated_at":35},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":47,"parent_id":48,"name":49,"name_en":49,"slug":50,"description":51,"image_url":52,"seo_title":53,"seo_description":54,"seo_keywords":55,"sort_order":4,"is_active":32,"product_count":56,"created_at":57,"updated_at":35},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":59,"parent_id":56,"name":60,"name_en":60,"slug":61,"description":62,"image_url":63,"seo_title":64,"seo_description":65,"seo_keywords":66,"sort_order":4,"is_active":32,"product_count":48,"created_at":67,"updated_at":35},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":69,"parent_id":70,"name":71,"name_en":71,"slug":72,"description":73,"image_url":74,"seo_title":75,"seo_description":76,"seo_keywords":77,"sort_order":4,"is_active":32,"product_count":48,"created_at":78,"updated_at":35},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":80,"parent_id":44,"name":81,"name_en":81,"slug":82,"description":83,"image_url":84,"seo_title":85,"seo_description":86,"seo_keywords":87,"sort_order":4,"is_active":32,"product_count":70,"created_at":88,"updated_at":35},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":90,"parent_id":91,"name":92,"name_en":92,"slug":93,"description":94,"image_url":95,"seo_title":96,"seo_description":97,"seo_keywords":98,"sort_order":4,"is_active":32,"product_count":48,"created_at":99,"updated_at":35},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":101,"parent_id":102,"name":103,"name_en":103,"slug":104,"description":105,"image_url":106,"seo_title":107,"seo_description":108,"seo_keywords":109,"sort_order":4,"is_active":32,"product_count":56,"created_at":110,"updated_at":35},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":48,"parent_id":12,"name":112,"name_en":112,"slug":113,"description":114,"image_url":52,"seo_title":115,"seo_description":116,"seo_keywords":117,"sort_order":48,"is_active":32,"product_count":33,"created_at":118,"updated_at":35},"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":120,"parent_id":4,"name":121,"name_en":121,"slug":122,"description":123,"image_url":124,"seo_title":125,"seo_description":126,"seo_keywords":127,"sort_order":48,"is_active":32,"product_count":48,"created_at":128,"updated_at":35},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":130,"parent_id":48,"name":131,"name_en":131,"slug":132,"description":133,"image_url":134,"seo_title":135,"seo_description":136,"seo_keywords":137,"sort_order":48,"is_active":32,"product_count":56,"created_at":138,"updated_at":35},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":140,"parent_id":56,"name":141,"name_en":141,"slug":142,"description":143,"image_url":144,"seo_title":145,"seo_description":146,"seo_keywords":147,"sort_order":48,"is_active":32,"product_count":70,"created_at":148,"updated_at":35},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":150,"parent_id":70,"name":151,"name_en":151,"slug":152,"description":153,"image_url":154,"seo_title":155,"seo_description":156,"seo_keywords":157,"sort_order":48,"is_active":32,"product_count":48,"created_at":158,"updated_at":35},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":160,"parent_id":44,"name":161,"name_en":161,"slug":162,"description":163,"image_url":164,"seo_title":165,"seo_description":166,"seo_keywords":167,"sort_order":48,"is_active":32,"product_count":48,"created_at":168,"updated_at":35},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":170,"parent_id":91,"name":171,"name_en":171,"slug":172,"description":173,"image_url":174,"seo_title":175,"seo_description":176,"seo_keywords":177,"sort_order":48,"is_active":32,"product_count":70,"created_at":178,"updated_at":35},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":180,"parent_id":102,"name":181,"name_en":181,"slug":182,"description":183,"image_url":184,"seo_title":185,"seo_description":186,"seo_keywords":187,"sort_order":48,"is_active":32,"product_count":70,"created_at":188,"updated_at":35},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":56,"parent_id":12,"name":190,"name_en":190,"slug":191,"description":192,"image_url":63,"seo_title":193,"seo_description":194,"seo_keywords":195,"sort_order":56,"is_active":32,"product_count":33,"created_at":196,"updated_at":35},"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":198,"parent_id":4,"name":199,"name_en":199,"slug":200,"description":201,"image_url":202,"seo_title":203,"seo_description":204,"seo_keywords":205,"sort_order":56,"is_active":32,"product_count":44,"created_at":206,"updated_at":35},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":208,"parent_id":48,"name":209,"name_en":209,"slug":210,"description":211,"image_url":212,"seo_title":213,"seo_description":214,"seo_keywords":215,"sort_order":56,"is_active":32,"product_count":56,"created_at":216,"updated_at":35},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":218,"parent_id":44,"name":219,"name_en":219,"slug":220,"description":221,"image_url":222,"seo_title":223,"seo_description":224,"seo_keywords":225,"sort_order":56,"is_active":32,"product_count":70,"created_at":226,"updated_at":35},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":228,"parent_id":91,"name":229,"name_en":229,"slug":230,"description":231,"image_url":232,"seo_title":233,"seo_description":234,"seo_keywords":235,"sort_order":56,"is_active":32,"product_count":44,"created_at":236,"updated_at":35},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":70,"parent_id":12,"name":238,"name_en":238,"slug":239,"description":240,"image_url":74,"seo_title":241,"seo_description":242,"seo_keywords":243,"sort_order":70,"is_active":32,"product_count":33,"created_at":244,"updated_at":35},"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":246,"parent_id":4,"name":247,"name_en":247,"slug":248,"description":249,"image_url":250,"seo_title":251,"seo_description":252,"seo_keywords":253,"sort_order":70,"is_active":32,"product_count":56,"created_at":254,"updated_at":35},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":256,"parent_id":48,"name":257,"name_en":257,"slug":258,"description":259,"image_url":260,"seo_title":261,"seo_description":262,"seo_keywords":263,"sort_order":70,"is_active":32,"product_count":70,"created_at":264,"updated_at":35},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":266,"parent_id":44,"name":267,"name_en":267,"slug":268,"description":269,"image_url":270,"seo_title":271,"seo_description":272,"seo_keywords":273,"sort_order":70,"is_active":32,"product_count":70,"created_at":274,"updated_at":35},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":276,"parent_id":91,"name":277,"name_en":277,"slug":278,"description":279,"image_url":280,"seo_title":281,"seo_description":282,"seo_keywords":283,"sort_order":70,"is_active":32,"product_count":56,"created_at":284,"updated_at":35},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":44,"parent_id":12,"name":286,"name_en":286,"slug":287,"description":288,"image_url":84,"seo_title":289,"seo_description":290,"seo_keywords":291,"sort_order":44,"is_active":32,"product_count":33,"created_at":292,"updated_at":35},"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":294,"parent_id":4,"name":295,"name_en":295,"slug":296,"description":297,"image_url":298,"seo_title":299,"seo_description":300,"seo_keywords":301,"sort_order":44,"is_active":32,"product_count":44,"created_at":302,"updated_at":35},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":304,"parent_id":48,"name":305,"name_en":305,"slug":306,"description":307,"image_url":308,"seo_title":309,"seo_description":310,"seo_keywords":311,"sort_order":44,"is_active":32,"product_count":70,"created_at":312,"updated_at":35},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":91,"parent_id":12,"name":314,"name_en":314,"slug":315,"description":316,"image_url":95,"seo_title":317,"seo_description":318,"seo_keywords":319,"sort_order":91,"is_active":32,"product_count":33,"created_at":320,"updated_at":35},"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":102,"parent_id":12,"name":322,"name_en":322,"slug":323,"description":324,"image_url":106,"seo_title":325,"seo_description":326,"seo_keywords":327,"sort_order":102,"is_active":32,"product_count":33,"created_at":328,"updated_at":35},"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":330,"category_id":37,"title":331,"title_en":331,"slug":332,"summary":333,"main_image_url":334,"specs":335,"tags":354,"sort_order":33,"is_active":32,"is_featured":32,"is_hot":32,"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":37,"name":38,"name_en":38,"slug":39},[357,360],{"id":48,"platform":358,"url":359,"sort_order":4,"is_active":32},"whatsapp","https:\u002F\u002Fwa.me\u002Fmessage\u002F3PGIUK5774HUD1",{"id":44,"platform":361,"url":362,"sort_order":48,"is_active":32},"wechat","\u002Fimages\u002Fwechat-qrcode.png",{"id":364,"category_id":120,"title":365,"title_en":365,"slug":366,"summary":367,"content":368,"specs":369,"spec_table":381,"main_image_url":577,"video_url":13,"pdf_url":13,"seo_title":578,"seo_description":579,"seo_keywords":580,"tags":581,"sort_order":582,"is_active":32,"is_featured":32,"is_hot":583,"view_count":33,"inquiry_count":33,"ai_generated_desc":583,"created_at":584,"updated_at":585,"images":586,"category":606,"related":607},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>",[370,372,373,374,377,379],{"key":337,"value":371},"13 - 100 Metric Tons",{"key":340,"value":341},{"key":343,"value":344},{"key":375,"value":376},"CENTER HOLE DIAMETER","Ø 19.6 - 79.0 mm (Rods & Cables)",{"key":346,"value":378},"8 - 155 mm",{"key":352,"value":380},"Hard Chrome-Plated Plunger & Bronze Bearings",{"headers":382,"rows":458},[383,386,390,394,398,402,406,410,415,419,423,427,431,435,450,454],{"key":384,"label":385},"model_code","Model",{"key":387,"label":388,"unit":389},"capacity","Capacity @10,000 PSI (700 bar)","Metric Ton",{"key":391,"label":392,"unit":393},"stroke","Stroke","mm",{"key":395,"label":396,"unit":397},"effective_area","Effective Area","cm2",{"key":399,"label":400,"unit":401},"oil_capacity","Oil Capacity","cm3",{"key":403,"label":404,"symbol":405,"unit":393},"closed_height","Closed Height","A",{"key":407,"label":408,"symbol":409,"unit":393},"extended_height","Extended Height","B",{"key":411,"label":412,"symbol":413,"unit":414},"collar_thread","Collar Thread","C","in",{"key":416,"label":417,"symbol":418,"unit":393},"collar_thread_len","Collar Thread Length","X",{"key":420,"label":421,"symbol":422,"unit":393},"outside_diam","Outside Diam.","D",{"key":424,"label":425,"symbol":426,"unit":393},"piston_diam","Piston Diam.","F",{"key":428,"label":429,"symbol":430},"piston_inner_thread","Piston Inner Thread","O",{"key":432,"label":433,"symbol":434,"unit":393},"thread_len","Thread Length","P",{"children":436,"label":449},[437,441,445],{"key":438,"label":439,"symbol":440,"unit":393},"base_bolt_circle","Bolt Circle","U",{"key":442,"label":443,"symbol":444},"base_thread","Thread","V",{"key":446,"label":447,"symbol":448,"unit":393},"base_thread_depth","Thread Depth","Z","Base Mounting Holes",{"key":451,"label":452,"symbol":453,"unit":393},"center_hole_diam","Center Hole Diam.","Y",{"key":455,"label":456,"unit":457},"weight","Weight","kg",[459,478,486,493,510,517,533,539,555,561],{"base_bolt_circle":460,"base_thread":461,"base_thread_depth":462,"capacity":463,"center_hole_diam":464,"closed_height":465,"collar_thread":466,"collar_thread_len":467,"effective_area":468,"extended_height":469,"model_code":470,"oil_capacity":471,"outside_diam":472,"piston_diam":473,"piston_inner_thread":474,"stroke":475,"thread_len":476,"weight":477},"50.8","5\u002F16\"-18","8.9","13","19.6","55","2 3\u002F4\"-16","30","18.4","63","HSCH-120","14.7","70","35","3\u002F4''-16 UN","8","16","1.7",{"base_bolt_circle":479,"base_thread":479,"base_thread_depth":479,"capacity":463,"center_hole_diam":464,"closed_height":480,"collar_thread":466,"collar_thread_len":467,"effective_area":468,"extended_height":481,"model_code":482,"oil_capacity":483,"outside_diam":472,"piston_diam":473,"piston_inner_thread":479,"stroke":484,"thread_len":479,"weight":485},"-","120","162","HSCH-121","77.3","42","3.0",{"base_bolt_circle":460,"base_thread":461,"base_thread_depth":462,"capacity":463,"center_hole_diam":464,"closed_height":487,"collar_thread":466,"collar_thread_len":467,"effective_area":468,"extended_height":488,"model_code":489,"oil_capacity":490,"outside_diam":472,"piston_diam":473,"piston_inner_thread":479,"stroke":491,"thread_len":479,"weight":492},"184","260","HSCH-123","140","76","4.7",{"base_bolt_circle":494,"base_thread":495,"base_thread_depth":496,"capacity":497,"center_hole_diam":498,"closed_height":481,"collar_thread":499,"collar_thread_len":500,"effective_area":501,"extended_height":502,"model_code":503,"oil_capacity":504,"outside_diam":505,"piston_diam":465,"piston_inner_thread":506,"stroke":507,"thread_len":508,"weight":509},"82.5","3\u002F8“-16","9.4","20","26.9","3 7\u002F8”-12","38","32.8","211","HSCH-202","161","99","1 9\u002F16''-16 UN","49","19","8.0",{"base_bolt_circle":494,"base_thread":495,"base_thread_depth":496,"capacity":497,"center_hole_diam":498,"closed_height":511,"collar_thread":499,"collar_thread_len":500,"effective_area":501,"extended_height":512,"model_code":513,"oil_capacity":514,"outside_diam":505,"piston_diam":465,"piston_inner_thread":506,"stroke":515,"thread_len":508,"weight":516},"306","461","HSCH-206","508","155","14.5",{"base_bolt_circle":518,"base_thread":495,"base_thread_depth":519,"capacity":467,"center_hole_diam":520,"closed_height":521,"collar_thread":522,"collar_thread_len":484,"effective_area":523,"extended_height":524,"model_code":525,"oil_capacity":526,"outside_diam":527,"piston_diam":528,"piston_inner_thread":529,"stroke":530,"thread_len":531,"weight":532},"92.2","14.0","33.3","179","4 1\u002F2“-12","48.0","243","HSCH-302","307","115","65","1 13\u002F16''-16 UN","64","22","11.5",{"base_bolt_circle":518,"base_thread":495,"base_thread_depth":519,"capacity":467,"center_hole_diam":520,"closed_height":534,"collar_thread":522,"collar_thread_len":484,"effective_area":523,"extended_height":535,"model_code":536,"oil_capacity":537,"outside_diam":527,"piston_diam":528,"piston_inner_thread":529,"stroke":515,"thread_len":531,"weight":538},"330","485","HSCH-306","744","23.0",{"base_bolt_circle":540,"base_thread":541,"base_thread_depth":519,"capacity":542,"center_hole_diam":543,"closed_height":544,"collar_thread":545,"collar_thread_len":546,"effective_area":547,"extended_height":548,"model_code":549,"oil_capacity":550,"outside_diam":551,"piston_diam":552,"piston_inner_thread":553,"stroke":491,"thread_len":508,"weight":554},"130.3","1\u002F2“-13","60","53.8","247","6 1\u002F4”-12","48","87.4","323","HSCH-603","664","159","92","2 3\u002F4''-16 UN","30.0",{"base_bolt_circle":540,"base_thread":541,"base_thread_depth":519,"capacity":542,"center_hole_diam":543,"closed_height":548,"collar_thread":545,"collar_thread_len":546,"effective_area":547,"extended_height":556,"model_code":557,"oil_capacity":558,"outside_diam":551,"piston_diam":552,"piston_inner_thread":553,"stroke":559,"thread_len":508,"weight":560},"476","HSCH-606","1337","153","37.5",{"base_bolt_circle":562,"base_thread":563,"base_thread_depth":564,"capacity":565,"center_hole_diam":566,"closed_height":567,"collar_thread":568,"collar_thread_len":542,"effective_area":569,"extended_height":534,"model_code":570,"oil_capacity":571,"outside_diam":572,"piston_diam":573,"piston_inner_thread":574,"stroke":491,"thread_len":575,"weight":576},"177.8","5\u002F8”-11","20.1","100","79.0","254","8 3\u002F8“-12","135.2","HSCH-1003","1028","212","127","4''-16 UN","25","62.0","\u002Fstorage\u002Ftradebuild\u002Fproducts\u002Fhsch_series_gallery_01.webp","HSCH Hollow Plunger Hydraulic Cylinders | Enerpac RCH Equivalent | 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,false,"2026-08-14T11:52:24.028923Z","2026-11-02T17:54:48.466094Z",[587,590,594,598,602],{"id":588,"product_id":364,"image_url":577,"thumbnail_url":577,"alt_text":589,"sort_order":4,"is_primary":32},10246,"HydraStark HSCH Series S\u002FA Hollow Plunger Cylinders - product photo 1",{"id":591,"product_id":364,"image_url":592,"thumbnail_url":592,"alt_text":593,"sort_order":48,"is_primary":583},10247,"\u002Fstorage\u002Ftradebuild\u002Fproducts\u002Fhsch_series_gallery_02.webp","HydraStark HSCH Series S\u002FA Hollow Plunger Cylinders - product photo 2",{"id":595,"product_id":364,"image_url":596,"thumbnail_url":596,"alt_text":597,"sort_order":56,"is_primary":583},10248,"\u002Fstorage\u002Ftradebuild\u002Fproducts\u002Fhsch_series_gallery_03.webp","HydraStark HSCH Series S\u002FA Hollow Plunger Cylinders - product photo 3",{"id":599,"product_id":364,"image_url":600,"thumbnail_url":600,"alt_text":601,"sort_order":70,"is_primary":583},10249,"\u002Fstorage\u002Ftradebuild\u002Fproducts\u002Fhsch_series_gallery_04.webp","HydraStark HSCH Series S\u002FA Hollow Plunger Cylinders - product photo 4",{"id":603,"product_id":364,"image_url":604,"thumbnail_url":604,"alt_text":605,"sort_order":44,"is_primary":583},10250,"\u002Fstorage\u002Ftradebuild\u002Fproducts\u002Fhsh_real_cad_blueprint.webp","HydraStark HSCH Series S\u002FA Hollow Plunger Cylinders - CAD dimensional drawing",{"id":120,"parent_id":4,"name":121,"name_en":121,"slug":122,"description":123,"image_url":124,"seo_title":125,"seo_description":126,"seo_keywords":127,"sort_order":48,"is_active":32,"product_count":48,"created_at":128,"updated_at":35},[608],{"id":609,"category_id":120,"title":610,"title_en":610,"slug":611,"summary":612,"content":613,"specs":614,"spec_table":631,"main_image_url":776,"video_url":13,"pdf_url":13,"seo_title":777,"seo_description":778,"seo_keywords":779,"tags":780,"sort_order":781,"is_active":32,"is_featured":32,"is_hot":583,"view_count":33,"inquiry_count":33,"ai_generated_desc":583,"created_at":782,"updated_at":585},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>",[615,617,619,622,625,628],{"key":337,"value":616},"30 - 150 METRIC TONS",{"key":346,"value":618},"38 - 258 MM (1.5 - 10.15 IN)",{"key":620,"value":621},"RETRACTION MECHANISM","DOUBLE-ACTING, HYDRAULIC RETURN",{"key":623,"value":624},"CENTER BORE DIAMETER","Ø 33.3 - 79.2 MM (FULL-LENGTH PASS-THROUGH)",{"key":626,"value":627},"CYLINDER CONSTRUCTION","HIGH-STRENGTH ALLOY STEEL WITH HARD CHROME PLUNGER",{"key":629,"value":630},"MAX WORKING PRESSURE","700 BAR (10,000 PSI)",{"headers":632,"rows":679},[633,634,635,636,646,653,660,661,662,663,665,666,667,668,670,676,677],{"key":384,"label":385},{"key":387,"label":388,"unit":389},{"key":391,"label":392,"unit":393},{"children":637,"label":645},[638,642],{"key":639,"label":640,"unit":641},"max_cap_push","Push","Ton",{"key":643,"label":644,"unit":641},"max_cap_pull","Pull","Max. 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