Hoffman Air Valve 401446 62, 3/4" Straight Vacuum Breaker

Vacuum Breaker
For use on closed vessels and piping systems tocontrol induced vacuum within safe limits
Adjustable from 1„4" - 20" (8-508mm) Hg vacuum - factoryset at 2€ (51mm) Hg vacuum
3„4" NPT straight shank
Maximum operating temperature 366°F (186°C)