Check Valves

Check valves are designed to allow full flow in one direction, and check or stop the flow from coming in from the other directions. Check valves are classified as one-way directional valves. Check valves are used in commercial and industrial applications, including hot and cold water, HVAC, steam, compressed air, gas, and other general utility services.

  • Two sizes to choose from
  • Check valves are two-port valves, 1/8" or 1/4"
  • Check valves are generally small, simple, and economical
  • Material:  nickel plated brass
  • Cracking pressure:  3 PSI
  • Pressure range:  30 to 120 PSI


Pressure Rating:  30 to 120 PSI
Temperature Range:  0° F (-18° C) to 160° F (71° C)
Cracking Pressure:  3 PSI
Body and Piston:  Nickel plated brass
Seals:  NBR 70
Spring:  Steel