Description:
Single-acting screw-in hydraulic cylinder with spring return.

Application:
For compact clamping arrangements where cylinders must be positioned closely and may operate without an opposing clamping face.

Features:
- Internal stroke limitation
- Double wipers reduce dynamic leakage
- Integrated return spring
- Can withstand maximum loads in tensioned and untensioned states
- Lineless pressure supply

Operation:
- Drilled-channel hydraulic actuation
- Spring returns piston to initial position

Material:
- Housing and piston: Steel
- Seal: NBR

Finish / Version:
- Housing: Black oxidised
- Piston: Hardened

Dimensions:
- Form: C
- Piston diameter: 20 mm
- Travel: 15 mm
- D: 7 mm
- G / Mounting thread: M30x1.5
- H: 69.5 mm
- H1: 43 mm
- H2: 8 mm
- H3: 17.5 mm
- H8: 23 mm
- H9: 7 mm
- H10: 42.5 mm
- L: 40 mm
- Hexagon SW: 32 mm

Load / Force Data:
- Clamping force at 100 bar: 3.1 kN
- Clamping force at 400 bar: 12.5 kN
- Minimum spring return force: 75 N

Technical Data:
- Maximum operating pressure: 400 bar
- Oil requirement per 10 mm travel: 3.14 cm^3
- Maximum tightening torque: 60 Nm

Accessories:
- Form B: K0307 rest pads
- Form B: K0282, K0302, K1164, K0287 and K0288 self-aligning pads
- Form B: K0386 hexagonal gripper screws

Notes:
A sealing ring at the bottom of the screw-in hole seals the cylinder. No rod-space venting is required due to the plunger design. Protect from aggressive cutting and cooling agents. Form B thrust pieces are not supplied.