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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