Oxygen System Check Valve

Model / MPN: 28791-12 | NSN: 4820-01-397-7116

An item permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It is specifically designed and/or cleaned for oxygen systems. See also valve, check; valve, stop-check.

Product Details

NATO Stock Number

4820-01-397-7116

Sold in multiples of

1 EA

DEMIL

Thread Direction

Right-hand all ends

Flow Control Device

Disk

Maximum Operating Temp

125.0 degrees fahrenheit single response

Connection Style

Plain, optional end (pipe) all ends

Valve Operation Method

Automatic

Connection Type

Threaded internal pipe all ends

Mounting Position

Horizontal

Maximum Operating Pressure

3000.0 pounds per square inch single response

Thread Size

0.125 inches 3rd end

Thread Size

0.250 inches 1st end

Thread Size

0.250 inches 2nd end

Material

Stainless steel body

Media For Which Designed

Oxygen, gaseous single response

Style Designator

Straight thru

Thread Series Designator

Npt all ends

28791 Series Parts

Pricing and Availability

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28791-12 Cross Reference

1828AS131
1828AS131-1