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Hoffman 401446 # 62 Vacuum Breaker 3/4" • For use on closed vessels and piping systems to control induced vacuum within safe limits • Adjustable from 1/4" - 20" (8-508mm) Hg vacuum - factory set at 2” (51mm) Hg vacuum • 3/4" NPT straight shank • Maximum operating temperature 366°F (186°C) • Maximum operating pressure 150 psig (10.3 bar)
