Products: Wafer Check Valves

Standard Design

Our Non-Return valves are designed to have the capability to meet any end user specification.

The Wafer type design allows the valve to be easily installed, compact and economical.

Product design features

  • The Wafer Check design offer significant space and weight reduction compared with traditional flanged valve design.
  • Complies fully with API 594.

Production range

  • Dual Plate Wafer Check Valves
  • Single Plate Wafer Check Valves
  • Nozzle Check Valves

Sizes from 1/2" to 24". Pressure Rating up to API 10K.

Material scope

  • Carbon and Low Temperature Carbon Steel
  • Austenitic and Super Austenitic Stainless Steels
  • Duplex and Super Duplex
  • Nickel alloys and Super alloys eg 6Mo, Hastelloy, Inconel and Monel
  • Titanium
  • Bronze

Other material combinations available against specific requirements.

Design features

Design Standards

ASME B15.2, ASME B16.34, ASME 5, API 594, Conforms to NACE MR0175/ISO 15156.

Seat Design

Choice of seating arrangements include, Metal, Viton, P.T.F.E, Suffix 'M', Suffix 'P', Suffix 'V'.


PJ Valves has the ability to hydrostatically and pneumatically test wafer valves. Our bespoke pressure rig is capable of testing valves from DN050 and DN600.

API 598/BS EN 12266

Nozzle Check Valves

Our Nozzle Check valves offer significant energy optimisation and minimises water hammer effect compared with traditional check valves.

Special Characteristics:
  • Quick Dynamic, Non-Slam
  • Minimum Pressure Drop
  • Tight Shut Off
  • API 6D Compliant
  • API 598 Compliant
  • ASME B16.34 Pressure/Temperature Ratings
  • Suitable for all common Flanges

Size range from 2" to 32". Pressure Rating up to 2500lb.

Larger sizes, Pressure ratings and Specials on request. Alternative materials and configurations on request.

Project Experience