401497 Hoffman Model 77 Water Vent Valve

401497 Hoffman Model 77 Water Vent Valve. Bell & Gossett Water Vent Valve, #77.

For efficient releasing of air in hydronic heating systems, such as baseboard radiators, convector radiators and small heating units.
1/8″ NPT straight shank.
Maximum operating pressure: 50 psig (3.5 bar).
Maximum temperature: 240°F (116°C).

401497 Hoffman Model 77 Water Vent Valve. Bell & Gossett Water Vent Valve, #77.

For efficient releasing of air in hydronic heating systems, such as baseboard radiators, convector radiators and small heating units.
1/8″ NPT straight shank.
Maximum operating pressure: 50 psig (3.5 bar).
Maximum temperature: 240°F (116°C).

Specifications

  • For efficient releasing of air in hydronic heating systems, such as baseboard radiators, convector radiators and small heating units
  • 1⁄8″ NPT straight shank
  • Maximum operating pressure 50 psig (3.5 bar)*
  • Maximum temperature 240°F (116°C)

Downloads

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hoffman-water-main-vent-valves-submittal-sheet

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hoffman-specialty-service-parts-catalog

Hoffman Specialty

Hoffman Specialty, a unit of ITT Industries (Xylem), offers a wide range of products for steam and hydronic systems. From steam traps to valves, from boiler feed units to temperature regulators and vacuum breakers, whether residential or commercial, Hoffman Specialty can fill the requirement. Hoffman Specialty was founded in 1913 by George D. Hoffman with the introduction of the Hoffman No. 1 Automatic Siphon Air Vent Valve for steam radiators, and was acquired by ITT Industries in 1970.

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