Check Valves - CO Series from Parker

Check Valves - CO Series from Parker
Parker’s C Series Check Valves are designed as a compact, inline check valve. These check valves provide uni-directional flow control of fluids and gases. To help prevent improper installation, all check valves have a flow arrow label with the valve’s crack pressure rating permanently attached. The availability of a wide range of seat materials provide the system designer a variety of uses over a standard, general purpose check valve.

Check Valves - CO Series Features:

  • Resilient, custom molded, blow-out resistant seat design
  • Back stopped poppet minimizes spring stress
  • 100% factory tested for both crack and reseat
  • Cracking pressures include:  1/3, 1, 5, 10, 25, 50, 75, and 100 psi.
  • Port connections include male and female NPT, CPI™, A-LOK®, UltraSeal, VacuSeal, BSP, SAE and Seal-Lok®
  • Heat code traceability

Check Valves - CO Series Applications:

  • Test Panels
  • Back Flow Preventers


  • Oil and Gas
  • Pulp and paper
  • Pharmaceutical
  • Power

Download Check Valves, Filters and Relief Valves Brochure

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