NSN 4820-01-151-3684
Vent-check Valve
About this product
1.500 inches all ends pipe size accommodated, ball flow control device, streamlined with one brazing ring (pipe) all ends connection style, valve operation method: automatic.
Manufacturer part number 52-20S 1.5IPS for national stock number 4820011513684.
Datasheet
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Product description
Vent-check Valve NSN 4820-01-151-3684.
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MPN or Model
52-20S 1.5IPS
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NMF (National Motor Freight)
051080 - Faucets, Bibcocks, Gates Valves -
Unit Weight (Est.)
5.3 lb -
Pipe Size Accommodated
1.500 inches all ends -
Flow Control Device
Ball -
Connection Style
Streamlined with one brazing ring (pipe) all ends -
Valve Operation Method
Automatic -
Connection Type
Unthreaded internal pipe all ends -
Mounting Position
Vertical
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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](/public/images/billy-thinking.png)
Pricing and Availability
Get a quote for 4820-01-151-3684 vent-check valveManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
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52-20S 1.5IPS | Tate Andale, Inc. |
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