Pilot Operated Check Valve

Max.operating pressure : up to 350 bar

  • Sub-plate mounting
  • Double operating ports with leakage-free closure
  • Stable cracking pressure
Drift diameter NG6 NG8 NG10 NG12, NG15
Weight kg About 1.2 2.2 2.2 5
Max.operating pressure bar 350
Cracking pressure bar 2.5, 3, 4.5, 6, 8, 10
Max. flow-rate L/min 30 30 50 120
Flow direction See the symbols;
Area ratio 4:1 7:1 3.2:1 13.4:1
Fluid temperature range -30 to +80 (NBR seal)
-20 to +80 (FKM seal)
Fluid Mineral oil suitable for NBR and FKM seal
Phosphate ester for FKM seal
Degree of contamination Maximum permissible degree of fluid contamination: Class 9. NAS 1638 or 20/18/15, ISO4406

DSV…L1X Pilot Operated Check Valve

Check valve type DSV is made up of two pilot operated check valves with excellent closure. Usually fluid can flow free from V1 to C1 or from V2 to C2 and leakage-free closure in opposite direction .

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