Check & Relief Valves

A valve is a device that regulates, directs or controls the flow of a fluid by
opening, closing, or partially obstructing various passageways.

Valves are technically valves fittings, but are usually discussed as a separate category.


Pressures up to 6,000 psig (413 bar)


  • Working Pressure : 6,000 psig
  • Up to 204℃ (400℉)
  • Designed to stop uncontrolled release of system media
  • DK-Lok 1/4 to 1/2 in. OD
  • Pipe thread 1/8 to 1/2 in.

Brief Description

  • Designed to stop uncontrolled realease of system fluid on downstream line rupture.
  • Stainless steel construction
  • DK-Lok and Pipe End connections up to 1/2 in.