{"title":"Enerpac Hollow-Plunger Hydraulic Sets","description":"\u003cp\u003eEnerpac hollow-plunger hydraulic sets combine hollow-center hydraulic cylinders with matched pumps and accessories for pushing, pulling, tensioning, testing, positioning, and maintenance applications. The open-center cylinder design allows rods, cables, bolts, or other components to pass through the cylinder for specialized industrial work.\u003c\/p\u003e\n\n\u003ch2\u003eHollow-Plunger Cylinder and Pump Sets\u003c\/h2\u003e\n\n\u003cp\u003eHollow-plunger cylinders provide both high hydraulic force and through-hole access. This makes them especially useful for applications where force must be applied around a threaded rod, cable, shaft, bolt, or structural member.\u003c\/p\u003e\n\n\u003cp\u003eCommon applications include:\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eBolt tensioning and removal\u003c\/li\u003e\n  \u003cli\u003ePulling and pushing operations\u003c\/li\u003e\n  \u003cli\u003ePressing and positioning\u003c\/li\u003e\n  \u003cli\u003eTesting and calibration setups\u003c\/li\u003e\n  \u003cli\u003eMaintenance and repair\u003c\/li\u003e\n  \u003cli\u003eConstruction and structural work\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eChoosing an Enerpac Hollow-Plunger Hydraulic Set\u003c\/h2\u003e\n\n\u003cp\u003eWhen selecting a hollow-plunger set, compare load capacity, cylinder stroke, center-hole diameter, pump type, operating method, and available installation space. The center opening must be large enough for the rod, cable, bolt, or workpiece passing through the cylinder.\u003c\/p\u003e\n\n\u003cp\u003eAlso confirm that all system components are rated for the required load and hydraulic pressure.\u003c\/p\u003e\n\n\u003cp\u003eFor conventional lifting and maintenance work, see \u003ca href=\"\/collections\/general-purpose-hydraulic-sets\"\u003eEnerpac general-purpose hydraulic sets\u003c\/a\u003e. For applications with extremely limited vertical clearance, browse \u003ca href=\"\/collections\/low-height-hydraulic-sets\"\u003eEnerpac low-height hydraulic sets\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003eYou can also browse the full \u003ca href=\"\/collections\/enerpac-porta-power\"\u003eEnerpac Porta Power collection\u003c\/a\u003e for additional hydraulic cylinder and pump combinations.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003ch3\u003eWhat is a hollow-plunger hydraulic cylinder?\u003c\/h3\u003e\n\u003cp\u003eA hollow-plunger cylinder has an open center that allows a rod, cable, bolt, or other component to pass through the cylinder while hydraulic force is applied.\u003c\/p\u003e\n\n\u003ch3\u003eWhat are hollow-plunger hydraulic sets used for?\u003c\/h3\u003e\n\u003cp\u003eThey are commonly used for pulling, pushing, tensioning, testing, pressing, and maintenance applications where access through the center of the cylinder is required.\u003c\/p\u003e\n\n\u003ch3\u003eHow do I select the right hollow-plunger set?\u003c\/h3\u003e\n\u003cp\u003eCompare load capacity, stroke, center-hole diameter, pump type, and available working space. The center opening must accommodate the component passing through the cylinder while the system remains properly rated for the required force.\u003c\/p\u003e","products":[{"product_id":"sch-121h-cylinder-pump-set","title":"SCH121H 12-Ton Cylinder and Hand Pump Set","description":"\u003cp\u003eThe Enerpac SCH121H pairs a 12-ton-class RCH121 hollow-plunger cylinder with a P142 hand pump and the hose, gauge and adapter listed below. The cylinder has a 1.63\" stroke and spring return.\u003c\/p\u003e\u003ch3\u003eKey specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCylinder capacity class: 12 tons\u003c\/li\u003e\n\u003cli\u003eCylinder stroke: 1.63\"\u003c\/li\u003e\n\u003cli\u003eCylinder action: single-acting\u003c\/li\u003e\n\u003cli\u003eCylinder return: spring\u003c\/li\u003e\n\u003cli\u003eMaximum operating pressure: 10,000 psi (700 bar)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eIncluded components\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRCH121 hollow-plunger hydraulic cylinder\u003c\/li\u003e\n\u003cli\u003eP142 hydraulic hand pump\u003c\/li\u003e\n\u003cli\u003eHB7206 hydraulic hose\u003c\/li\u003e\n\u003cli\u003eGF120P pressure and force gauge\u003c\/li\u003e\n\u003cli\u003eGA4 gauge adapter\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eBefore ordering\u003c\/h3\u003e\u003cp\u003eConfirm the cylinder load, travel and starting clearance for the application. Follow manufacturer setup and operating requirements. Use force-gauge scales only for their specified cylinder models.\u003c\/p\u003e\u003cp\u003e\u003csmall\u003eProduct information is provided for general reference and may not cover every application. Confirm suitability with manufacturer specifications and qualified professional advice. Follow applicable safety requirements; this description is not a substitute for manufacturer instructions or engineering judgment.\u003c\/small\u003e\u003c\/p\u003e","brand":"Enerpac","offers":[{"title":"Default Title","offer_id":43938844311630,"sku":"SCH121H","price":2862.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/3925\/5374\/files\/SCH121H_2164_2000__44786.1622239309.1280.1280.jpg?v=1783412371"},{"product_id":"sch-202h-cylinder-pump-set","title":"SCH202H 20-Ton Cylinder and Hand Pump Set","description":"\u003cp\u003eThe Enerpac SCH202H pairs a 20-ton-class RCH202 hollow-plunger cylinder with a P392 hand pump and the hose, gauge and adapter listed below. The cylinder has a 2.00\" stroke and spring return.\u003c\/p\u003e\u003ch3\u003eKey specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCylinder capacity class: 20 tons\u003c\/li\u003e\n\u003cli\u003eCylinder stroke: 2.00\"\u003c\/li\u003e\n\u003cli\u003eCylinder action: single-acting\u003c\/li\u003e\n\u003cli\u003eCylinder return: spring\u003c\/li\u003e\n\u003cli\u003eMaximum operating pressure: 10,000 psi (700 bar)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eIncluded components\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRCH202 hollow-plunger hydraulic cylinder\u003c\/li\u003e\n\u003cli\u003eP392 hydraulic hand pump\u003c\/li\u003e\n\u003cli\u003eHC7206 hydraulic hose\u003c\/li\u003e\n\u003cli\u003eGF813P pressure and force gauge\u003c\/li\u003e\n\u003cli\u003eGA3 gauge adapter\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eBefore ordering\u003c\/h3\u003e\u003cp\u003eConfirm the cylinder load, travel and starting clearance for the application. Follow manufacturer setup and operating requirements. Use force-gauge scales only for their specified cylinder models.\u003c\/p\u003e\u003cp\u003e\u003csmall\u003eProduct information is provided for general reference and may not cover every application. Confirm suitability with manufacturer specifications and qualified professional advice. Follow applicable safety requirements; this description is not a substitute for manufacturer instructions or engineering judgment.\u003c\/small\u003e\u003c\/p\u003e","brand":"Enerpac","offers":[{"title":"Default Title","offer_id":43938844377166,"sku":"SCH202H","price":3443.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/3925\/5374\/files\/SCH202H_2000__37764.1622239309.1280.1280.jpg?v=1783412373"},{"product_id":"sch302h-enerpac-cylinder-pump-set","title":"SCH302H 30-Ton Cylinder and Hand Pump Set","description":"\u003cp\u003eThe Enerpac SCH302H pairs a 30-ton-class RCH302 hollow-plunger cylinder with a P392 hand pump and the hose, gauge and adapter listed below. The cylinder has a 2.50\" stroke and spring return.\u003c\/p\u003e\u003ch3\u003eKey specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCylinder capacity class: 30 tons\u003c\/li\u003e\n\u003cli\u003eCylinder stroke: 2.50\"\u003c\/li\u003e\n\u003cli\u003eCylinder action: single-acting\u003c\/li\u003e\n\u003cli\u003eCylinder return: spring\u003c\/li\u003e\n\u003cli\u003eMaximum operating pressure: 10,000 psi (700 bar)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eIncluded components\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRCH302 hollow-plunger hydraulic cylinder\u003c\/li\u003e\n\u003cli\u003eP392 hydraulic hand pump\u003c\/li\u003e\n\u003cli\u003eHC7206 hydraulic hose\u003c\/li\u003e\n\u003cli\u003eGF813P pressure and force gauge\u003c\/li\u003e\n\u003cli\u003eGA3 gauge adapter\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eBefore ordering\u003c\/h3\u003e\u003cp\u003eConfirm the cylinder load, travel and starting clearance for the application. Follow manufacturer setup and operating requirements. Use force-gauge scales only for their specified cylinder models.\u003c\/p\u003e\u003cp\u003e\u003csmall\u003eProduct information is provided for general reference and may not cover every application. Confirm suitability with manufacturer specifications and qualified professional advice. Follow applicable safety requirements; this description is not a substitute for manufacturer instructions or engineering judgment.\u003c\/small\u003e\u003c\/p\u003e","brand":"Enerpac","offers":[{"title":"Default Title","offer_id":43938844442702,"sku":"SCH302H","price":3989.62,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/3925\/5374\/files\/SCH302H_2246_2000__88912.1628187836.1280.1280.jpg?v=1783412375"},{"product_id":"sch-1003h-cylinder-pump-set","title":"SCH1003H Enerpac Hollow-Plunger Hydraulic Cylinder \u0026 Hand Pump Set, 100 Ton, 3 in Stroke","description":"\u003cp\u003eEnerpac configures \u003cstrong\u003eSCH1003H\u003c\/strong\u003e around an RCH hollow cylinder and hand pump, creating a self-contained 100 Ton set with 3 in of stroke for work that requires the center-hole cylinder design.\u003c\/p\u003e\u003ch3\u003eThe Selection Logic\u003c\/h3\u003e\u003cp\u003eChoosing a hand pump makes the package self-contained and easy to deploy for occasional hydraulic work. The tradeoff is that larger cylinders and longer strokes require more manual pumping than powered alternatives.\u003c\/p\u003e\u003cp\u003eRCH-1003 is the highest-capacity hollow-plunger set in this export. With 100-ton capacity and 3 inches of stroke, it is a force-focused option for demanding push\/pull applications.\u003c\/p\u003e\u003cp\u003eFor RCH sets, application geometry comes before power source. Once the hollow-plunger requirement is established, compare force, travel and pump method to select the appropriate model.\u003c\/p\u003e","brand":"Enerpac","offers":[{"title":"Default Title","offer_id":43938844508238,"sku":"SCH1003H","price":10607.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/3925\/5374\/files\/SCH1003H_2278-B_2000__74050.1622239309.1280.1280.jpg?v=1783412377"},{"product_id":"sch-302fp-cylinder-pump-set","title":"SCH302FP Enerpac Hollow-Plunger Hydraulic Cylinder \u0026 Foot Pump Set, 30 Ton, 2.5 in Stroke","description":"\u003cp\u003e\u003cstrong\u003eSCH302FP Enerpac Hollow-Plunger Hydraulic Cylinder \u0026amp; Foot Pump Set\u003c\/strong\u003e combines RCH push\/pull cylinder geometry with foot-operated hydraulic power. The cylinder is rated at 30 Ton and provides 2.5 in of stroke.\u003c\/p\u003e\u003ch3\u003eWhat Drives the Selection\u003c\/h3\u003e\u003cp\u003eThe foot-pump arrangement is a practical middle ground for users who want a manually powered system but do not want to operate a conventional hand pump during each cycle.\u003c\/p\u003e\u003cp\u003eAt 30 tons and 2.5 inches of stroke, RCH-302 sits in the middle of the hollow-plunger set range and balances force with moderate travel.\u003c\/p\u003e\u003cp\u003eChoose SCH302FP because the job needs an RCH hollow cylinder first; capacity, stroke and pump style come after that. This avoids paying for specialized cylinder geometry when a conventional push-only cylinder would do.\u003c\/p\u003e","brand":"Enerpac","offers":[{"title":"Default Title","offer_id":43938844573774,"sku":"SCH302FP","price":4430.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/3925\/5374\/files\/SCH202-302FP_2000__99732.1622239310.1280.1280.jpg?v=1783412379"},{"product_id":"sch-202fp-cylinder-pump-set","title":"SCH202FP Enerpac Hollow-Plunger Hydraulic Cylinder \u0026 Foot Pump Set, 20 Ton, 2 in Stroke","description":"\u003cp\u003e\u003cstrong\u003eSCH202FP Enerpac Hollow-Plunger Hydraulic Cylinder \u0026amp; Foot Pump Set\u003c\/strong\u003e combines RCH push\/pull cylinder geometry with foot-operated hydraulic power. The cylinder is rated at 20 Ton and provides 2 in of stroke.\u003c\/p\u003e\u003cp\u003eThis version keeps the system manually powered but moves pump actuation to the foot. Selection therefore comes down to operator preference and work positioning rather than a change in cylinder capability.\u003c\/p\u003e\u003ch3\u003eWhy This Configuration Stands Out\u003c\/h3\u003e\u003cp\u003eRCH-202 provides 20-ton capacity and 2 inches of stroke. It is a practical mid-light hollow-cylinder choice when 12 tons is not enough but the job does not call for the larger 30-ton frame.\u003c\/p\u003e\u003cp\u003eThe distinguishing feature is the hollow cylinder, not merely the tonnage. Confirm that the planned setup needs push\/pull capability before choosing between the hand-, foot- and air-powered RCH sets.\u003c\/p\u003e","brand":"Enerpac","offers":[{"title":"Default Title","offer_id":43938844639310,"sku":"SCH202FP","price":3738.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/3925\/5374\/files\/SCH202-302FP_2000__04400.1622239309.1280.1280.jpg?v=1783412381"},{"product_id":"sch-603h-cylinder-pump-set","title":"SCH603H 60-Ton Cylinder and Hand Pump Set","description":"\u003cp\u003eThe Enerpac SCH603H pairs a 60-ton-class RCH603 hollow-plunger cylinder with a P80 hand pump and the hose, gauge and adapter listed below. The cylinder has a 3.00\" stroke and spring return.\u003c\/p\u003e\u003ch3\u003eKey specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCylinder capacity class: 60 tons\u003c\/li\u003e\n\u003cli\u003eCylinder stroke: 3.00\"\u003c\/li\u003e\n\u003cli\u003eCylinder action: single-acting\u003c\/li\u003e\n\u003cli\u003eCylinder return: spring\u003c\/li\u003e\n\u003cli\u003eMaximum operating pressure: 10,000 psi (700 bar)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eIncluded components\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRCH603 hollow-plunger hydraulic cylinder\u003c\/li\u003e\n\u003cli\u003eP80 hydraulic hand pump\u003c\/li\u003e\n\u003cli\u003eHC7206 hydraulic hose\u003c\/li\u003e\n\u003cli\u003eGF813P pressure and force gauge\u003c\/li\u003e\n\u003cli\u003eGA3 gauge adapter\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eBefore ordering\u003c\/h3\u003e\u003cp\u003eConfirm the cylinder load, travel and starting clearance for the application. Follow manufacturer setup and operating requirements. Use force-gauge scales only for their specified cylinder models.\u003c\/p\u003e\u003cp\u003e\u003csmall\u003eProduct information is provided for general reference and may not cover every application. Confirm suitability with manufacturer specifications and qualified professional advice. Follow applicable safety requirements; this description is not a substitute for manufacturer instructions or engineering judgment.\u003c\/small\u003e\u003c\/p\u003e","brand":"Enerpac","offers":[{"title":"Default Title","offer_id":43938844704846,"sku":"SCH603H","price":5672.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/3925\/5374\/files\/SCH603H_2289_2000__72034.1622239311.1280.1280.jpg?v=1783412383"},{"product_id":"sch-202xa-rc-h302-cylinder-w-xa-11-air-pump","title":"SCH202XA Enerpac Hollow-Plunger Hydraulic Cylinder \u0026 Air Pump Set, 20 Ton, 2 in Stroke","description":"\u003cp\u003eIn \u003cstrong\u003eSCH202XA\u003c\/strong\u003e, Enerpac combines an RCH hollow-plunger cylinder with an air pump. The set is sized at 20 Ton with 2 in of stroke and is intended for work where the cylinder must support both pushing and pulling functions.\u003c\/p\u003e\u003ch3\u003eThe Selection Logic\u003c\/h3\u003e\u003cp\u003eRCH-202 provides 20-ton capacity and 2 inches of stroke. It is a practical mid-light hollow-cylinder choice when 12 tons is not enough but the job does not call for the larger 30-ton frame.\u003c\/p\u003e\u003cp\u003eThe air pump is most useful when cycle frequency or cylinder oil demand makes hand pumping less attractive. It keeps the hydraulic system portable while using compressed air as the energy source.\u003c\/p\u003e\u003cp\u003eThe RCH family is selected for its hollow-plunger push\/pull capability. If the application does not need that center-hole geometry, a solid-plunger RC or low-height RCS set may be simpler.\u003c\/p\u003e","brand":"Enerpac","offers":[{"title":"Default Title","offer_id":43938846736462,"sku":"SCH202XA","price":4267.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/3925\/5374\/files\/SCR-SCL-SCH-XA_series_2000__97804.1622239310.1280.1280.jpg?v=1783412466"},{"product_id":"sch-302xa-rc-h302-cylinder-w-xa-11-air-pump","title":"SCH302XA Enerpac Hollow-Plunger Hydraulic Cylinder \u0026 Air Pump Set, 30 Ton, 2.5 in Stroke","description":"\u003cp\u003e\u003cstrong\u003eSCH302XA Enerpac Hollow-Plunger Hydraulic Cylinder \u0026amp; Air Pump Set\u003c\/strong\u003e pairs the RCH center-hole cylinder design with compressed-air hydraulic power. The 30 Ton cylinder provides 2.5 in of travel for powered push\/pull applications.\u003c\/p\u003e\u003ch3\u003eApplication Fit\u003c\/h3\u003e\u003cp\u003eCompressed-air operation makes this set a natural choice for repeated work. The cylinder selection still defines the mechanical job; the air pump primarily changes the speed and effort of producing hydraulic flow.\u003c\/p\u003e\u003cp\u003eAt 30 tons and 2.5 inches of stroke, RCH-302 sits in the middle of the hollow-plunger set range and balances force with moderate travel.\u003c\/p\u003e\u003cp\u003eFor RCH sets, application geometry comes before power source. Once the hollow-plunger requirement is established, compare force, travel and pump method to select the appropriate model.\u003c\/p\u003e","brand":"Enerpac","offers":[{"title":"Default Title","offer_id":43938846965838,"sku":"SCH302XA","price":4831.83,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/3925\/5374\/files\/SCR-SCL-SCH-XA_series_2000__59860.1622239311.1280.1280.jpg?v=1783412468"},{"product_id":"sch-603xa-rc-h603-cylinder-w-xa-11-air-pump","title":"SCH603XA Enerpac Hollow-Plunger Hydraulic Cylinder \u0026 Air Pump Set, 60 Ton, 3 in Stroke","description":"\u003cp\u003e\u003cstrong\u003eSCH603XA\u003c\/strong\u003e is the air-powered RCH set in this capacity range, using a 60 Ton hollow-plunger cylinder with 3 in of movement and a pump driven by compressed air.\u003c\/p\u003e\u003ch3\u003eWhen This Version Makes Sense\u003c\/h3\u003e\u003cp\u003eCompressed-air operation makes this set a natural choice for repeated work. The cylinder selection still defines the mechanical job; the air pump primarily changes the speed and effort of producing hydraulic flow.\u003c\/p\u003e\u003cp\u003eRCH-603 raises capacity substantially to 60 tons and provides 3 inches of stroke. It is intended for higher-force push\/pull work where the through-hole cylinder format is still required.\u003c\/p\u003e\u003cp\u003eThe RCH family is selected for its hollow-plunger push\/pull capability. If the application does not need that center-hole geometry, a solid-plunger RC or low-height RCS set may be simpler.\u003c\/p\u003e","brand":"Enerpac","offers":[{"title":"Default Title","offer_id":43938847129678,"sku":"SCH603XA","price":6231.42,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/3925\/5374\/files\/SCR-SCL-SCH-XA_series_2000__23290.1622239312.1280.1280.jpg?v=1783412470"}],"url":"https:\/\/buyenerpac.com\/collections\/enerpac-hollow-plunger-hydraulic-sets.oembed","provider":"BuyEnerpac.com","version":"1.0","type":"link"}