Hoffman Specialty 41

Hoffman Specialty

Automatic Steam Vent

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ItemSteam Air Vent
(M)NPT Connection (In.)1/8
Connection1/8" (M)NPT Straight
Max. Temp. (F)240
Max. Pressure (PSI)10
MaterialPlated Brass
ConstructionVertical Pipe Fittings for Use on Convectors, Nonadjustable
Weight 0.350000


Automatic Air Vent for Steam Convectors, 1/8 inch NPT Straight Connection (M), Maximum Pressure 10 PSI, Maximum Operating Pressure 6 psig

Hoffman Specialty Steam
  • Nonadjustable, except 4NU93 has 6 port settings to allow proportional air venting from radiators throughout large heating systems. 4NU93 and 4NU94 have horizontal pipe fittings for use on cast-iron radiators. 4NU95 and 4NU96 have vertical pipe fittings for use on convectors.
  • Water and Steam System Air Vents

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