4.1070
Built-In Piston
Single-acting with spring return
Features
- very compact design
- extremely low overall height, despite return spring and fully utilizable stroke
- easily replaceable
- high power density
View Size Chart

Hydraulic piston, single-acting with integrated return spring, stroke limiter and fastening screw as a subassembly which cannot be dismantled. Wiper ring available for installation in the housing. Special seals are available on request.
Max. clamp force (kN) | 12.25 | 20 | 31.25 | 48.75 |
Pressure (bar) | 250 | 250 | 250 | 250 |
Tightening torque (Nm) | 10 | 20 | 25 | 30 |
Stroke (mm) | 8 | 8 | 8 | 12 |
Thread Size | G 1/8 | G 1/4 | G 3/8 | G 1/2 |
Overall Diameter (mm) | 25 | 32 | 40 | 50 |
Height (mm) | 40 | 47 | 50 | 75 |
Weight (kg) | 0.22 | 0.17 | 0.28 | 0.71 |
Part no. | CLR-1072-010-TB | HCR-1073-010 Piston | HCR-1074-010 Piston | HCR-1075-020 Piston |
---|---|---|---|---|
Accessory No. | CLR-5700-001 | HCR-5700-002 Wiper Ring | HCR-5700-003 Wiper Ring | HCR-5700-004 Wiper Ring |
Accessory No. | CLR-5700-005 | HCR-5700-006 Seal Kit | HCR-5700-007 Seal Kit | HCR-5700-008 Seal Kit |
Accessory No. | HCR-5700-010 Mounting Sleeve | HCR-5700-011 Mounting Sleeve | HCR-5700-012 Mounting Sleeve |
Built-in piston integrated in a clamping bar