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Enerpac CST40381

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Enerpac CST40381 39.2 kN Hydraulic Cylinder

Enerpac CST40381; 39.2 kN (8,800 lbs) capacity, 39.6 mm (1.56 in) stroke, 345 bar (5,000 psi), single-acting spring-return threaded-body hydraulic cylinder.

EnerpacMFR # CST40381SKU # YLSD56V1URWE7C
Dimension E0.78 in
Dimension C4.69 in
Dimension P0.31 in
ApplicationsPush
Product TypeWorkholding Threaded Cylinder
Maximum Operating Pressure5,000 psi
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About This Product

CST40381 is a threaded-body hydraulic cylinder from the Enerpac CST workholding range. It is single-acting with spring return and provides 39.2 kN (8,800 lbs) push capacity at 345 bar (5,000 psi). Stroke is 39.6 mm (1.56 in), body thread 1.875-16 UN and plunger thread 0.500-13 UNC. It has a solid plunger and a steel body. It is used to clamp workpieces in machine table and fixture applications. Double-acting models are recommended for high-cycle use.

Features and Benefits

  • Minimum cylinder diameter combined with maximized clamping forces
  • Threaded body allows fine positioning and easy installation
  • Internal plunger wipers allow maintenance-free, high-cycle performance
  • Center-tapped plunger holds workpiece contact buttons
  • Single-acting spring-return design simplifies hydraulic tubing requirements
  • Double-acting models are recommended for high-cycle applications

Enerpac CST40381

  • Genuine, certified Enerpac product
  • Fast sourcing through a worldwide supply network
  • Product selection and compatibility support from our technical team
  • Equivalent and alternative product suggestions
  • Quotation and lead time tailored to your request

Specifications

Dimension E0.78 in
Dimension C4.69 in
Dimension P0.31 in
ApplicationsPush
Product TypeWorkholding Threaded Cylinder
Maximum Operating Pressure5,000 psi
SeriesCST
Dimension E10.75 in
Dimension C10.43 in
Dimension A6.49 in
Product LineWorkholding Tools
Weight3.3 lbs
Dimension T0.47 in
Maximum Cylinder Capacity (Advance)8800 lbs
Country of OriginUnited States
Dimension D1.875-16 UN in
Cylinder Effective Area (Advance)1.76 in²
Dimension B4.93 in
Plunger TypeSolid
Cylinder MaterialSteel
Dimension F1.63 in
Dimension D11.79 in
Stroke1.56 in
Dimension K.500-13 UNC in
Oil Capacity (Advance)2.63 in³
Return TypeSingle-Acting, Spring Return
Dimension S0.67 in

Documents & CAD

Series documents 2· shared by this product series

Repair Parts SheetCST 40KN Single Acting Threaded CylindersPDF·142 KB·English
BrochureWorkholding Cylinders, EnglishPDF·4.2 MB

CAD Files 5

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Alternative Names & Search Terms

CST40381CST-40381CST 40381Enerpac CST40381Enerpac CST-40381Enerpac CST 40381CST40381 hydraulic cylinderCST40381 threaded body cylinderEnerpac CST seriesCST series threaded cylinderworkholding hydraulic cylinderthreaded body hydraulic cylindersingle-acting spring return cylinder39.2 kN single-acting cylinder8800 lbs single-acting cylinder39.6 mm stroke threaded cylinder1.56 in stroke hydraulic cylinder5,000 psi single-acting workholding cylinder1.875-16 UN threaded hydraulic cylinder

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