HPE > Mining Solutions > High Pressure Valves > Non return Check Valve

Non return Check Valve

To minimize pipeline pulses (water hammer), generated by a pump trip out, by closing rapidly in the reverse flow direction. It is mainly used with Pump Control Valves in mine dewatering applications.

 

Category:
Description Unit
Face to face dimensions Refer to valve dimensions and schematics
Pressure rating 250 bar (max) working pressure
Body design In-line
Design specification ASME B16.34
Valve configuration Nozzle type – taper poppet & seat
 
Size 80NB 100NB 150NB 200NB 250NB 300NB
Minimum operating pressure 10 bar 10 bar 10 bar 10 bar 10 bar 10 bar
Design flow rate 35 ℓ/sec 60 ℓ/sec 100 ℓ/sec 180 ℓ/sec 270 ℓ/sec 380 ℓ/sec

  • Stainless/Carbon steel body and internals with UHMWPE seals
  • Rapid closure in reverse flow direction
  • High sealing integrity and high dirt tolerance
  • Wafer type – flanges can be fitted on request to client specification
  • Flanges and face dimensions can be altered to suit custom specifications
 

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