Check Valves are used in piping systems where flow in one direction is desired. Arrow on body of valve indicates flow direction. If backflow occurs in the system the Swing Check Disc will close onto sealing surface of body not allowing the flow to reverse.
| Carbon Steel | ASTM A216 - WCB or Equivalent |
| Alloy Steel | ASTM A217 - WC6, WC9, C5, C12, C12A or Equivalent |
| Duplex Stainless Steel | ASTM A995 - 1A, 2A, 4A, 5A or Equivalent |
| Stainless Steel | ASTM A351 - CF8, CF8M, CF3, CF3M, CN7M or Equivalent |
| Special Alloy Steel |
Inconel 625, 825 or Equivalent Hastelloy C Monel or Equivalent |