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NSN 4820-01-543-0139

Vent-check Valve

About this product

Side opening, bolted with neoprene gasket.

Manufacturer part number 2-1122FB for national stock number 4820015430139.

Datasheet

  • Product description

    Vent-check Valve NSN 4820-01-543-0139.

  • MPN or Model

    2-1122FB

  • NMF (National Motor Freight)
    051080 - Faucets, Bibcocks, Gates Valves
  • Flow Control Device
    Ball
  • End Application
    New construction lcs1
  • Valve Operation Method
    Automatic
  • Flange Shape
    Round with holes all ends
  • Connection Type
    Flange all ends
  • Valve Size
    2.000 inches
  • Flange Face Design
    Plain all ends
  • Part Name Assigned By Controlling Agency
    Inline valve with side opening
  • Material
    Stainless steel seat
  • Style Designator
    Straight through flanged ends
Vent-check Valve

A dual purpose marine valve used primarily with shipboard cargo tanks and bulkheads. It acts both as a vent valve, to relieve vacuum and pressure, and a check valve, to prevent cargo contamination. It is equipped with an internal flame screen and/or a protective mesh and may include a hinged cover.

Mechanic Bill explains Vent-check Valve

Pricing and Availability

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NSN 4820015430139

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
2-1122FB Robert H. Wager Company, Inc.
2-1122FB Robert H. Wager Company, Inc.
Stock Check
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