Type 22 Checkmaster™ Check Valve

The AXON Type 22 Checkmaster check valve is a heavy-duty, one-way lift check valvefor choke and kill manifolds. The valve consists of precision-machined parts that arecarefully inspected and tested. Furthermore, the valve features long, trouble-freeservice, as well as, simple and inexpensive maintenance requirements.

  • One-piece forged steel body, constructed from rugged materials that exceed API specification 6A
  • Can be installed in a horizontal or vertical position
  • Valve seals can be replaced without removing from line
  • No special tools required for servicing
  • Replaceable lip-type seat seal is used to provide leak-proof connections
  • Available in PSL-1 thru 4 and temperature class -75° F up to 350° F (K to X)
  • Optional “lock-open” feature to reduce duration of required BOP stack pressure testing (check valve remains in the “open“ position)


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