HOFFMAN # 78 VENT. HOFFMAN 78HVENT.
401485
Model # 78
For use on high pressure hot or cold water 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)