4" NH (NST) Female Swivel x 4.5" NH (NST) Male Adapter Aluminum NH (NST) x NPT 1-1/2" fire hose valves are Industrial Fire 1 NPT
Baker’s notes & crumb story
Description
4" NH (NST) Female Swivel x 4.5" NH (NST) Male Adapter Aluminum NH (NST) x NPT 1 1 2" fire hose valves are Industrial Fire 1 NPT 1 1 2" fire hose valves are used as a fire department outlet connection commonly found in stairwell landings of multi story buildings or as part of a test header assembly on the outside of your building Industrial & Fire 4” NPSH Female Swivel x 4” NH (NST) Male Rigid Fitting Anodized Aluminum A combination of pipe adapters are recommended for low pressure discharge and suction service for various compatible liquids and not for compressible products like air Military Standards – MIL A 8625 Type III