Heap & Partners Phase Check Valves have been specially designed to cover all of customer requirements to protect systems against reverse flow.

The range features Class 150 and 300 rated designs from 15mm to 100mm in complete 316 stainless steel construction as standard. Alternative Materials are available to meet customer requirements

Specification:

Design Range: Wafer pattern, sprung disc check valve to BS EN 558 Series 49 (Short Pattern) and Series 52 (Long Pattern) face to face
Sizes: 15mm to 100mm
Temperatures: up to 590 Deg C
Typical Applications: Gas, Water, Acids, Alkalis & Salt Solutions
Seat: Metal Seated with Tight Shut-off
Pressure Range: Class 150 & 300 (PN10/16 and JIS 5K/10K on request)
Materials: 316 Stainless Steel Body, Disc, Spring and Retainer (exotics available on request)
Springs: Materials in austenitic stainless steel or Inconel, springs for low opening pressure (Additional springs are available i.e. for reduced opening times, elevated temperatures)
Connections: As per EN 1092-1 Form B1 (B2 available on request) and ASME RF (Other connections available on request)
Available on Request: Pickled and free from oil, grease and silicone

 

Click here for the Phase Check Valve Brochure

 

 

 

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