Check valves

- Model 502M (Threaded/NPT connections) available from 1″ to 12″
- Model 518 (Wafer connections) available from 1″ to 30″
- Threaded, flanged or wafer connections
- Steel, aluminum or SS body
- EPDM, Buna N, Viton or Silicone sealing member
- Designed for minimum flow restriction
