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THPLK Pilot Operated Check Valve

Size: Max. Flow Rate (L/min) 20,35,50,100,150

THPLK Pilot Operated Check Valve.


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THPLK Pilot Operated Check Valve.


  • Flow is allowed to pass from V1 to C1 when pressure at V1 rise above the spring bais pressure and the poppet is pushed from its seat .
  • The valve is normally closed ( cheeked) from C1 to V1; when sufficient pilot pressure is present at X port, the pilot piston acts to push  the poppet from its seat and flow is allowed from C1 to V1.
  • Precision machining and hardening processes allow virtually leak-free performance in the checked condition.


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