These Type 57 Valves have a spherical disc design that offers increased Cv, ultimate sealing, and high cycle life.
- PVC body
- Polypropylene disc
- FKM or EPDM seals
- 316/403 stainless steel shaft
- The non-wetted shaft has full engagement over the entire length of the disc
- Superior corrosion resistance
- Flange stopper prevents over-compressing liners due to improper installation
- ISO bolt circle on top flange - no body or stem modifications required for accessories
- Maximum pressure: 150 psi
- NSF/ANSI/CAN 61 listed
Note: Product testing for individual applications is recommended before use. U.S. Plastic Corp. cannot be held liable for individual application failures.