Hoffman Convector Steam Vents

Hoffman Convector Steam Vents

Information:

Model 1B Part No. 401425 
Air Valve (non-vacuum)

  •  Float-type vent
  • Adjustable port for true proportional venting – 6 port settings from slow (1) to fast (6)
  • Telescopic siphon tube
  • 1⁄4″ NPT straight shank
  • Maximum operating pressure 11⁄2 psig (0.1 bar)*
  • Maximum pressure 10 psig (0.7 bar)

Model 41 Part No. 401455
Model 43 Part No. 401458
Model 45 Part No. 401461
Air Valve (non-vacuum)

  • Single non-adjustable port
  • For small steam systems
  • Telescopic siphon tube with angle cut assures drainage
  • 1⁄8″ NPT straight shank (41) – 1⁄4″ NPT straight shank (43) – 1⁄2″ NPT female and 3⁄4″ NPT male straight shank (45)
  • Maximum operating pressure 6 psig (0.4 bar)*
  • Maximum pressure 10 psig (0.7 bar)

Model 71A Part No. 401470
Model 71B Part No. 401464
Model 71C Part No. 401467
Air Valve (non-vacuum)

  • Float-type vent
  • Single non-adjustable port
  • Meets Federal Specification WW-V-151 for Type 1 Non-Adjustable Valves
  • Telescopic siphon tube with angle cut assures drainage
  • 1⁄8″ NPT straight shank (71A) – 1⁄4″ NPT straight shank (71B) – 1⁄2″ NPT female and 3⁄4″ NPT male straight shank (71C)
  • Maximum operating pressure 11 psig (0.8 bar)*
  • Maximum pressure 15 psig (1.0 bar)
  • Product
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  • 401455 Hoffman Model 41 Air Valve Non Vacuum
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    401455 Hoffman Model 41 Air Valve Non Vacuum

    Hoffman

    $38.50
    401455 Hoffman Model 41 Air Valve Non Vacuum. Information: Hoffman Specialty General Catalog Hoffman Specialty Service Parts Catalog Specifications: Single non-adjustable port For small steam systems Telescopic siphon tube with angle cut...
    $38.50
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  • 401467 Hoffman Model 71C Air Valve Non Vacuum
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    401467 Hoffman Model 71C Air Valve Non Vacuum

    Hoffman

    $69.75
    401467 Hoffman Model 71C Air Valve Non Vacuum. 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...
    $69.75
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  • 401464 Hoffman Model 71B Air Valve Non Vacuum
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    401464 Hoffman Model 71B Air Valve Non Vacuum

    Hoffman

    $66.75
    401464 Hoffman Model 71B Air Valve Non Vacuum. 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...
    $66.75
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    $66.75
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  • 401470 Hoffman Model 71A Air Valve Non Vacuum
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    401470 Hoffman Model 71A Air Valve Non Vacuum

    Hoffman

    $74.50
    401470 Hoffman Model 71A Air Valve Non Vacuum. 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...
    $74.50
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    $74.50
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  • 401461 Hoffman Model 45 Air Valve Non Vacuum
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    401461 Hoffman Model 45 Air Valve Non Vacuum

    Hoffman

    $44.50
    401461 Hoffman Model 45 Air Valve Non Vacuum. Information: Hoffman Specialty General Catalog Hoffman Specialty Service Parts Catalog Specifications: Single non-adjustable port For small steam systems Telescopic siphon tube with angle cut...
    $44.50
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    $44.50
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  • 401458 Hoffman Model 43 Air Valve Non Vacuum
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    401458 Hoffman Model 43 Air Valve Non Vacuum

    Hoffman

    $42.75
    401458 Hoffman Model 43 Air Valve Non Vacuum. Information: Hoffman Specialty General Catalog Hoffman Specialty Service Parts Catalog Specifications: Single non-adjustable port For small steam systems Telescopic siphon tube with angle cut...
    $42.75
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    $42.75
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    401425 Hoffman Model 1B Air Valve Non Vacuum

    Hoffman

    $64.95
    401425 Hoffman Model 1B Air Valve Non Vacuum. Information: Hoffman Specialty General Catalog Hoffman Specialty Service Parts Catalog Specifications: Float-type vent Adjustable port for true proportional venting – 6 port settings...
    $64.95
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    $64.95
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