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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 Pressure, dynamic bar |
Operating pressure, static bar |
Area ratio |
Data Sheet |
| DERV 8 |
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70 |
350 |
500 |
1:18 |
DERV-8_300-P-9050061
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| DERV 10 |
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100 |
350 |
500 |
1:18 |
DERV-10_300-P-9050112 |
Double p.o. check valve
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Applications
- - Stabilizer cylinders on mobile equipment
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