The Hoffman Model 78 Part No. 401485 Water Main Vent Valve
Water Main Vent Valve
- For use on high pressure hot or coldwater or glycol mains and process applications with specific gravity greater than 0.7
- Cast brass body
- Tapped at top for 1⁄8″ NPT safety drain connection for discharging moisture
- Body unscrews for easy cleaning
- Built-in Check Valve
- 3⁄4″ NPT straight shank
- Maximum operating pressure 150 psig (10.3 bar)*
- Maximum hydrostatic pressure 450 psig (31.1 bar)
- Maximum temperature 250˚F (121˚C)