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CP Series Check Valves

CP Series valves are pipe ended check valves used to control back flow or to maintain  constant back pressure.  CP Series check valves are with factory set and and tested cracking pressurs up to 100 psig (6.9 bar).

Select CP Series Check Valves for your applications.


  • MAWP:   Up to 3000 psig (206 bar)
  • Temperature:  -40 to 375° F (-40 to 190° C)
  • Flow Coefficient: 0.35 and 1.20
  • Body Materials:  316 SS, Alloy 400, and Brass. Other materials are available.
  • Seat Materials: Fluorocarbon FKM, Nitrile, low-temperature Nitrile, Ethylene Propylene, and perfluoroelastomer 
  • Cracking Pressures: 21 cracking pressures from 1/3 to 100 psig
  • End Connections:  Male and female NPT and BSPT
  • End Connection Sizes: 1/4 and 1/2 in.




Check valves are 100% factory tested with Nitrogen after assembly to confirm spring cracking pressure, and for seat leakage at 1000 psi.


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