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Check Valves ERV

 

Description

Series ERV 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 Max flow rate l/min Opening Pressure, dynamic bar Operating Pressure, static bar Area ratio Data Sheet
ERV 8 - 600 80  2.5 bar (A → B) 450 /  1:2.5 / 2.1:1  ERV-8-600_300-P-9050092
ERV 8 - 300 80 2.5 bar (A → B) 450 1:2.5 / 2.1:1 ERV-8_300-P-9050014
ERV 8 - PH - 600 50 4.0 bar (A → B) 450 / 600 1 : 2.56 ERV-8-PH_300-p-9050115