Hollow Piston Cylinder

HILMA WZ 3.2130 Single-Acting Hollow Piston Cylinder used for clamping and locking on machines and plants on press beds and rams.

• Max. clamping force: 60 - 104 kN (on request 160 kN)
• For T-slots: 18 - 36 mm
• Piston diameter: 54 - 70 mm
• Stroke: 12 mm

HILMA WZ 2.1300 Hollow Piston Cylinders without Spring Return

• Clamping force: 34.8 - 137.2 kN
• Clamping stroke: 12 - 15 mm
• Piston restoring force: 0.18 - 0.7 kN
• Piston area: 8.7 - 34.3 cm²

HILMA WZ 2.1320 Single-Acting Hollow Piston Cylinder, with spring return, as a pulling or pressing cylinder

• Max. clamping force: 34.8 - 137.2 kN
• Clamping stroke: 12 - 15 mm
• Spring force: 0.26 - 0.75 kN
• Piston area: 8.7 - 34.3 cm²

HILMA WZ 2.1330 Short-stroke Hollow Piston Cylinder, used in connection with tie rods and sceews for clamping and locking dies

• Max. clamping force: 22 - 54 kN
• Clamping stroke: 2.5 - 3 mm
• Spring force: 0.27 - 0.67 kN
• Piston area: 5.5 - 13.5 cm²
• Fixing screw: M12 - M16

HILMA WZ 3.1403 Single-acting Spring Clamping Cylinder, spring clamping, hydraulic unclamping

• Max. clamping force: 50 kN
• For T-slots: 22 - 28 mm
• Unclamping stroke: 2.5 mm
• Unclamping pressure: 175 bar