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NSN 4820-01-134-7751

Vent-check Valve

About this product

With flame screen.

Manufacturer part number 52-20S-1.500IN for national stock number 4820011347751.

Datasheet

  • Product description

    Vent-check Valve NSN 4820-01-134-7751.

  • MPN or Model

    52-20S-1.500IN

  • Schedule B
    8481.30.2090 (Check valves of steel)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Unit Weight (Est.)
    175 lb
  • Pipe Size Accommodated
    1.500 inches 1st end
  • Flow Control Device
    Ball
  • Connection Style
    Socket (pipe) 1st end
  • Valve Operation Method
    Automatic
  • Connection Type
    Unthreaded internal pipe 1st end
  • Mounting Position
    Vertical
  • Material
    Steel body
  • Style Designator
    Straight thru
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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

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NSN 4820011347751

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
52-20S-1.500IN Tate Andale, Inc.
Stock Check
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