Restrictor Check Valve

Model / MPN: 6631-16S2-44 | NSN: 4820-01-148-7393

A valve having an orifice in the poppet, disk, or the like, to permit restricted fluid flow when the valve is seated. It does not have a stem or provisions for pressure adjustments, and is similar to a valve, check with the exception of the orifice which permits fluid flow in more than one direction.

Product Details

NATO Stock Number

4820-01-148-7393

Sold in multiples of

1 EA

DEMIL

Thread Direction

Right-hand all ends

Flow Control Device

Piston

Disk Loading Method

Spring

Maximum Operating Temp

225.0 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

1.000 inches all ends

Material

Steel body

Material

Stainless steel flow control device

Media For Which Designed

Fuel/oil, hydrocarbon single response

Style Designator

Straight thru

Thread Series Designator

Npt all ends

6631 Series Parts

Pricing and Availability

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6631-16S2-44 Cross Reference

17116-0440-0210