Check Valves DERV

Check Valves DERV

Description

Series DERV pilot-operated check valves lock a cylinder in any rest position.
They are intended for direct mounting in the cylinder.

Advantages

- pilot-operated check function and pipe-rupture protection in one valve
- optimized hydraulic pilot stage gives gentle opening
- leak-free valve seats; hardened, ground and lapped
- load pressure acts in the closing direction

Technical Data

type	picture	nominal flow rate l/min	operating P dynamic bar	operating pressure static bar	area ratio	data sheets
DERV 8		70	350	500	1:18	DERV-8_300-P-9050061
DERV 10		100	350	500	1:18	DERV-10_300-P-9050112

Double p.o. check valve

Applications

- stabilizer cylinders on mobile equipment