Linear Cylinders

Enerpac has the most complete line of Linear Cylinders – compact short-stroke spring return cylinders to heavy-duty double-acting automation cylinders. Whether you need to push it, pull it, clamp it, punch it, stamp it, press it, or hold it in place for days at a time, Enerpac has the right linear cylinder.

LU-Series Link Clamps

  • Deliver 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
  • Symmetrical rectangular flange design enables clamping at three sides of the cylinder
  • Standard or long clamp arm or long arm available

LCA-Series Clamp Arms For Link Clamps

  • Standard or custom built
  • Available in standard and extended lengths
  • Standard clamp arm includes set screw and lock nut
  • Make your own custom arm to suit specific applications

PU-Series, 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

PL-Series, Lower Flange Model Pull Cylinders

  • 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
  • Double oil connection: threaded port or manifold mount

PT-Series, 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
  • Guided linear plunger movement
  • Internal plunger thread allows easy mounting of pull cylinder attachments

CST, CDT-Series, Threaded Cylinder

  • 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 require powered pulling toward the cylinder body

CYDA, WMT, WRT-Series, Threaded Cylinders

  • Provide maximum clamping force in a compact design
  • Fine positioning, can be fixtured into manual strap or bridge clamp assemblies
  • Threaded body allows exact positioning and easy installation
  • Center-tapped plungers allow a variety of attachments
  • Single-acting spring return models simplify hydraulic tubing requirements
  • Double-acting cylinder models are ideal for applications requiring powered pulling or fast automated control

CSM-Series, Manifold Cylinders

  • Design eliminates the need for fittings and tubing, minimizing space requirements and facilitating easy removal of chips and dirt
  • Compact fixture-integrated positioning and holding
  • 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

CDB, CSB-Series, Block Cylinders

  • 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 fixture 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

ECH, ECM-Series, Pull Down Clamps

  • 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

CY, HCS, QDH, RWH-Series, 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 hollow plunger cylinder models

MRS-Series, Positive Clamping Cylinders

  • Ideal for palletized applications
  • Heavy disk springs maintain the clamping force - hydraulic pressure is used for release
  • 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

RW-Series, Single Acting Universal Cylinders

  • Handle a variety of applications
  • High pressure (10,000 psi) design when additional force is required
  • Long strokes in compact 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

RD-Series, Double-Acting Universal Cylinders

  • High pressure design (10,000 psi), 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

TR-Series, Tie Rod Cylinders

  • Rod seal uses spring loaded multiple lip v-rings, a supporting bronze bearing ring bushing and a double lip wiper
  • Piston seal combines two bi-directional sealing cast iron piston rings with two block v-seals with back-up rings
  • Hardened chrome plated piston rod resists scoring and corrosion, assuring maximum life
  • Steel tubing barrel, honed to a fine finish assures superior sealing, minimum friction and maximum seal life
  • Rod bushing and seals can be serviced by merely removing the retainer plate on most tie rod cylinder models