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Check Valves ERV



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


  •    -  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 Nominal flow rate l/min Opening Pressure, dynamic bar Operating Pressure, static bar Area ratio DataSheet
ERV 8 60 450 450 1:2.5 / 2.1:1 ERV-8-C 300-P-9050014-en
ERV 8-600 60 450 600 1:2.5 / 2.1:1

Note:Main stage opens only with reduced pressure


Simple p.o. check valve