Hoffman Radiator Steam Vents

Hoffman Radiator Steam Vents

Information:

Model 1A Part No. 401422 Air Valve (non-vacuum)

  • Float-type vent
  • Adjustable port for true proportional venting – 6 port settings from slow (1) to fast (6)
  • 1⁄8″ NPT angle connection
  • Maximum operating pressure 11⁄2 psig (0.1 bar)*
  • Maximum pressure 10 psig (0.7 bar)

Model 70A Part No. 401443 Air Valve (non-vacuum)

  • Float-type vent
  • Single non-adjustable port
  • Meets Federal Specification WW-V-151 for Type 1 Non-Adjustable Valves
  • 1⁄8″ NPT angle connection
  • Maximum operating pressure 11 psig (0.8 bar)*
  • Maximum pressure 15 psig (1.0 bar)

Model 40 Part No. 401440 Air Valve (non-vacuum)

  • Float-type vent
  • For ordinary one-pipe system that doesn’t require proportional venting
  • Single non-adjustable port
  • 1⁄8″ NPT angle connection
  • Maximum operating pressure 6 psig (0.4 bar)*
  • Maximum pressure 10 psig (0.7 bar)
  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • 401440 Hoffman Model 40 Air Valve

    401440 Hoffman Model 40 Air Valve

    Hoffman

    $18.95
    401440 Hoffman Model 40 Air Valve. Information: Hoffman Specialty General Catalog Hoffman Specialty Service Parts Catalog Specifications: Float-type vent For ordinary one-pipe system that doesn’t require proportional venting Single...
    $18.95
    Qty in Cart: 0
    Quantity:
    Price:
    $18.95
    Subtotal:
  • 401443 Hoffman Model 70A Air Valve

    401443 Hoffman Model 70A Air Valve

    Hoffman

    $69.50
    401443 Hoffman Model 70A Air Valve. Information: Hoffman Specialty General Catalog Hoffman Specialty Service Parts Catalog Specifications: Float-type vent Single non-adjustable port Meets Federal Specification WW-V-151 for Type 1...
    $69.50
    Qty in Cart: 0
    Quantity:
    Price:
    $69.50
    Subtotal:
  • 401422 Hoffman Model 1A Air Valve

    401422 Hoffman Model 1A Air Valve

    Hoffman

    $34.50
    401422 Hoffman Model 1A Air Valve. Information: Hoffman Specialty General Catalog Hoffman Specialty Service Parts Catalog Specifications: Float-type vent Adjustable port for true proportional venting – 6 port settings from slow (1) to...
    $34.50
    Qty in Cart: 0
    Quantity:
    Price:
    $34.50
    Subtotal:
  • Total: items /

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