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.
| Nominal Inside Diameter | 2 ½”-10″ Sizes Available | |
|---|---|---|
| Construction Materials | Body: | Cast Iron (ASTM A126 Class B) *Optional Ductile Iron (ASTM A536 GR65-45-12) |
| Disc: | Stainless Steel (ASTM A743, Type 316) *Optional Bronze (ASTM B62) |
|
| Bolts/Nuts: | Stainless Steel 18-8 | |
| Seat Ring: | Stainless Steel (ASTM A743, Type 316) , with BUNA-N or VITON available *Optional Bronze (ASTM B62) |
|
| 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!