Linear Cylinders

CST, CDT-Series, Threaded cylinders

  • Enerpac threaded cylinder body allows for fine positioning and easy installation
  • Minimum cylinder diameter combined with maximized clamping forces
  • Nitro carburized bodies and internal plunger wipers allow maintenance-free, high cycle performance
  • Center-tapped plunger will hold workpiece contact buttons
  • Single-acting cylinder models with spring return simplify hydraulic tubing requirements
  • Double-acting cylinder models are ideal for applications requir powered pulling toward the cylinder body

CSM-Series, Manifold Cylinders

  • Enerpac manifold cylinders have a single-acting design with spring return simplifying hydraulic requirements
  • Compact fixture-integrated positioning and holding
  • Design eliminates the need for fittings and tubing, minimizing space requirements and facilitating easy removal of chips and dirt
  • Minimal cylinder height relative to the plunger stroke enables extremely compact fixture designs
  • Manifold cylinder body is fully recessed within the fixture allowing the workpiece to be positioned near-flush with the fixture surface, saving space
  • Nitro carburized bodies and internal plunger wipers allow maintenance-free, high cycle performance
  • Center-tapped plungers will hold workpiece contact buttons

BD, BMD, BMS, BS-Series, Block Cylinders

  • Versatile, all purpose Enerpac block cylinder
  • Six clamping capabilities, enables you to choose the right size for your application
  • Variety of strokes, to meet design needs
  • Double acting and single-acting (spring return), allows selection of cylinder that best conforms to your hydraulic system
  • Oil connection alternatives: cylinders incorporate both manifold mount and plumbed options to meet your fixturing needs
  • Compact block cylinder design does not require large amounts of space on your fixture
  • Integral wiper ring, keeps contaminants out of cylinder to extend life

PU-Series, Upper flange models pull cylinders

Enerpac upper flange model pull cylinders require minimal mounting height for when space is at a premium

  • Guided linear plunger movement
  • Flexible design allows for manifold or threaded port connection
  • Low profile mounting style allows body to be below mounting surface
  • Internal plunger thread allows easy mounting of attachments
  • Simple mounting preparation
  • Easy to machine fixture hole: does not require tight tolerances
  • Easy assembly: 3 or 4 mounting bolts
  • Double oil connection: threaded port or manifold mount

PL-Series, Lower flange models pull cylinders

Enerpac lower flange model pull cylinders require minimal mounting height when space is at a premium

  • Guided linear plunger movement
  • Flexible design allows for manifold or threaded port connection
  • Low profile mounting style allows body to be below mounting surface
  • Internal plunger thread allows easy mounting of attachments
  • Simple mounting for pull cylinder preparation
  • Easy to machine fixture hole: does not require tight tolerances
  • Easy assembly: 3 or 4 mounting bolts
  • Double oil connection: threaded port or manifold mount

PT-Series, Threaded body models pull cylinders

  • Enerpac threaded body model pull cylinders can be secured at any height
  • Threaded directly into the fixture
  • Cylinders can be secured at any height
  • Simple mounting preparation
  • Easy installation and removal
  • Guided linear plunger movement
  • Threaded port connection
  • Internal plunger thread allows easy mounting of pull cylinder attachments

LU-Series, Link Clamps

  • Enerpac link clamps consistently deliver a quick and accurate clamping action
  • Hydraulic cylinder pushes linkage, rotating clamp arm into position
  • Design ensures repeatable clamping location
  • Linkage can be re-positioned to clamp at 90, 180, or 270 degrees from ports
  • Link clamps can be mounted using the supplied bolts or held in place with a flange nut
  • Standard or long clamp arm or long arm sold separately

ECH, ECM-Series, Pull down clamps

  • Enerpac low profile pull down clamps for unobstructed top face machining
  • Independent horizontal and vertical movement for a true pull down effect
  • Compact size and low height allows more flexible and economic mounting than comparable dedicated vise
  • Manifold and BSPP porting
  • Contamination resistant design for low maintenance, removable guard for chip removal
  • Oil ports on both sides for mounting flexibility
  • Optional mechanical counter hold provides pull down on end stop for large parts
  • Mounting bolts included for ease of installation

HCS, MRH-Series, Hollow plunger cylinders

  • Enerpac hollow plunger cylinders provide high force push & pull applications on and around the fixture
  • Load can be attached to either end of the cylinder, providing a choice of push or pull actions - both realizing full cylinder capacity
  • Very high cylinder capacities contained within small dimensions allow compact fixture designs
  • Spring return operation allows for easy unloading of the workpiece
  • Threaded collars and base mounting holes allow mounting flexibility, including table-top surfaces and T-slots
  • Nickel-plated hollow plungers, plunger wipers and internal venting prevent corrosion and support longer operation life on all HCS models

BRW, MRW, RW-Series, Universal Cylinders

  • Single-acting heavy-duty universal cylinders handle a variety of applications
  • High pressure (700 bar) design when additional force is required
  • Long strokes in compcat design, well suited for welding applications
  • Collar thread and base mounting holes allow flexible mounting options
  • Hardened snap-in removable saddles for additional plunger protection
  • Chrome plated plunger with bronze upper and lower bearing provide long life

BRD-Series, Universal cylinders, Double-acting

  • High pressure design (700 bar). Enerpac double acting universal cylinders when additional force is required for push or pull applications
  • Long strokes in a compact design are well suited for custom toggle style clamping
  • Various features for cylinder mounting
  • Threaded plunger allows a wide range of mounting adapter devices
  • Chrome plated plunger provides a long cylinder life
  • For added cylinder mounting flexibility, a selection of interchangeable mountings are available to fit plunger or base threads

MP-Series, Collet-Lok® Push cylinders

  • Collet-Lok® Push Cylinders Ideal when live hydraulics are not available. Clamping is sustained mechanically so live hydraulics are not required during the machining cycle.
  • Double-acting Collet-Lok® action allows fully automated operation
  • Additional level of safety because live hydraulics are not required
  • Collet-Lok® push cylinders can either be mounted by the flange, or threaded into the fixture
  • The Collet-Lok® design is an industry exclusive

MRS-Series, Positive clamping cylinders

  • Enerpac positive clamping cylinders are ideal for palletized applications
  • Heavy disk springs maintain the clamping force - hydraulic pressure is used for release
  • Single-acting design allows easy setup of hydraulic system
  • Hollow plunger design allows easy retrofit for mechanical clamping
  • Custom buttons can be fitted into the plunger for clamping directly against a workpiece
  • Threaded body allows easy cylinders mounting directly into fixture plate
  • Internal threaded plunger allows accessories to be used easily for retrofit applications

LCA-Series, Clamp arms for link clamps

  • Enerpac clamp arms for link clamps are available in standard and extended lengths
  • Standard clamp arm includes set screw and lock nut
  • Long clamp arm can be machined on-site to match your needs

Pressure vs. clamping force

The use of different length clamp arms requires reduction in apllied hydraulic pressure and resulting clamp force. Download the catalogue page showing the diagrams showing the pressure versus clamping force relation ship.


BAD-Series, Attachments for BRD-Series Cylinders

  • Attachments for added BRD-series cylinder mounting flexibility
  • Fits on cylinder or plunger threads
  • Foot mountings: mounts onto collar thread; retainer nut included
  • Flange mountings: mounts onto collar thread; retainer nut included
  • Retainer nut: locks foot or flange mounting and mounts onto collar thread. Included with flange and foot mountings
  • Clevis eyes: threads onto plunger or cylinder base

FN, MF, BS-Series, Cylinder Accessories

Enerpac cylinder accessories for for optimum mounting and fixture flexibility to match specific applications

  • Mounting flanges:
    For bolting cylinders to suit the application
  • Flange nuts:
    For mounting threaded body cylinders in any position
  • Contact bolts:
    Allow cylinders to act as a datum point in your clamping applications, and protect the piston when cylinders are used for pushing applications
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