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Double-Acting Hollow Plunger Cylinders

Double-acting hollow plunger cylinders for demanding tension and compression

Double-acting hollow plunger cylinders combine the benefits of a hollow piston with active force in both directions. The central through-hole allows threaded bars, anchors or bolts to pass through the cylinder and be tensioned or pulled, while the piston is hydraulically extended and retracted.

In contrast to single-acting hollow plunger cylinders with load or spring return, double-acting designs provide a powered return stroke by hydraulic pressure. This enables faster work cycles, precise control and high duty capability, for example in serial production or demanding assembly operations.

This category includes double-acting hollow plunger cylinders for demanding tension and compression tasks in machinery, plant engineering, fixturing and construction applications.

There are 27 products.

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Showing 1-12 of 27 item(s)

Reference: 1160

Siłownik przelotowy dwustronnego działania CLP150DA50HP

siła 150 t, skok tłoka 50 mm

0.00 €

Last items in stock

Reference: 1191

Siłownik przelotowy dwustronnego działania CLP200DA100HP

siła 200 t, skok tłoka 100 mm

0.00 €

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Out-of-Stock

Reference: 1177

Siłownik przelotowy dwustronnego działania CLP150DA100HP

siła 150 t, skok tłoka 100 mm

0.00 €

Out-of-Stock

Reference: 5151

Siłownik przelotowy dwustronnego działania CLP20DA150HP

siła 20 t, skok tłoka 150 mm

0.00 €

Out-of-Stock

Reference: 1122

Siłownik przelotowy dwustronnego działania CLP60DA50HP

siła 60 t, skok tłoka 50 mm

0.00 €

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Out-of-Stock

Reference: 1139

Siłownik przelotowy dwustronnego działania CLP60DA100HP

siła 60 t, skok tłoka 100 mm

0.00 €

Out-of-Stock

Reference: 1146

Siłownik przelotowy dwustronnego działania CLP100DA50HP

siła 100 t, skok tłoka 50 mm

0.00 €

Last items in stock

Reference: 1153

Siłownik przelotowy dwustronnego działania CLP100DA100HP

siła 100 t, skok tłoka 100 mm

0.00 €

Last items in stock

Reference: 1184

Siłownik przelotowy dwustronnego działania CLP200DA50HP

siła 200 t, skok tłoka 50 mm

0.00 €

Last items in stock

Reference: 5137

Siłownik przelotowy dwustronnego działania CLP20DA50HP

siła 20 t, skok tłoka 50 mm

0.00 €

In stock

Reference: 5144

Siłownik przelotowy dwustronnego działania CLP20DA100HP

siła 20 t, skok tłoka 100 mm

0.00 €

In stock

Reference: 5182

Siłownik przelotowy dwustronnego działania CLP30DA50HP

siła 30 t, skok tłoka 50 mm

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In stock

Showing 1-12 of 27 item(s)

How double-acting hollow plunger cylinders work

Double-acting hollow plunger cylinders feature a central bore through the piston and cylinder body and two hydraulic ports. Using a control valve, hydraulic pressure is directed either to the piston side or the rod side, so that the piston is driven both out and back in under power.

Threaded bars, anchors or bolts can be passed through the central bore. The cylinder then applies force directly to this element – in tension or in compression. The powered return stroke makes the cylinder independent of gravity or return springs and allows high cycle rates.

Typical applications of double-acting hollow plunger cylinders

Double-acting hollow plunger cylinders are used wherever tension and compression forces must be combined with precise motion control, for example:

stressing and releasing anchors, tie bars and tendons
pressing in and pulling out bushings, bearings, pins and dowels
clamping and fixturing tasks in jigs and tools
assembly and dismantling work with repeated work cycles
controlled tension and compression movements in machinery and equipment

Benefits of double-acting hollow plunger cylinders

active force in both tension and compression through the central bore
hydraulically powered return stroke for fast, repeatable cycles
precise control of position, speed and force
suitable for high duty and industrial serial applications

System design and accessories

Double-acting hollow plunger cylinders are typically used with multi-stage hydraulic power units and control valves. Suitable accessories include:

threaded bars, nuts and bearing plates for tensioning tasks
puller devices for dismantling pressed-in components
adapters, centring sleeves and spacer plates
hydraulic hoses, couplings and valve blocks for double-acting control

We are happy to support you in designing a system with double-acting hollow plunger cylinders and in selecting the appropriate pump and valve technology.