Check Valves DERV

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

Check Valves DERV
  • 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
Type Nominal flow rate
l/min		 Operating pressure, dynamic
bar		 Operating pressure, static
bar		 Area ratio
DERV-8 70 350 500 1:18
DERV-10 100 350 500 1:18
  Type File extension Size
DERV-8_300-P-9050061-en Catalog / Data sheet PDF 583.1 KB
DERV-8_300-P-9050061-us Catalog / Data sheet PDF 583.1 KB
DERV-10_300-P-9050112-en Catalog / Data sheet PDF 576.1 KB
DERV-10_300-P-9050112-us Catalog / Data sheet PDF 576.2 KB

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