Wafer Check Valve

Mounted vertically or horizontally, these valves are designed to close before the pump stops, preventing flow reversal and eliminating water hammer and system surges. ANSI Class 150 & Class 300.

GC Series Overview
Nominal Inside Diameter 2 ½”-36″ Sizes Available
Construction Materials Body: Cast Iron (ASTM A126 Class B)
*Optional Ductile Iron (ASTM A536 GR65-45-12)
Disc: Bronze (ASTM B62)
*Optional Stainless Steel (ASTM A743, Type 316)
Bolts/Nuts: Stainless Steel 18-8
Seat Ring: Stainless Steel (ASTM B62), with BUNA-N or VITON available
*Optional Stainless Steel (ASTM A743, Type 316)
Spring: Stainless Steel (ASTM A313)
*Optional Stainless Steel (ASTM A276, T316)
Bushing: Bronze (ASTM B584)
*Optional Stainless Steel (ASTM A276, Type 316)
Paint: Tnemec 141
Pressure Rating Class 150 or Class 250

 

Crispin Valve offers a wide variety of special materials for Check valves that may not be listed. If your project may need such materials please feel free to contact our Sales/ Customer Service team for any inquiries you may have!