Restrictor Check Valve

Model / MPN: 28051-506-23 | NSN: 4820-01-420-1204

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

4820-01-420-1204

Sold in multiples of

1 EA

DEMIL

Thread Class

3a 1st end

Thread Direction

Right-hand all ends

Maximum Operating Temp

250.0 degrees fahrenheit single response

Minimum Operating Temp

-40.0 degrees fahrenheit

End Application

Shipboard material handling equipment (mhe)

Connection Style

External seat for gasket seal (boss) 1st end

Connection Style

Plain (pipe) 2nd end

Valve Operation Method

Automatic

Connection Type

Threaded external boss 1st end

Connection Type

Threaded external pipe 2nd end

Mounting Position

Horizontal

Thready Qty Per Inch (tpi)

12 1st end

Maximum Operating Pressure

3000.0 pounds per square inch single response

Thread Size

0.750 inches 2nd end

Thread Size

1.062 inches 1st end

Seat Angle

37.0 degrees 1st end

Media For Which Designed

Oil, hydraulic single response

Style Designator

Straight thru

Thread Series Designator

Nptf 2nd end

Thread Series Designator

Un 1st end

28051 Series Parts

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Restrictor Check Valve

Pricing and Availability

Certified Quality Assurance

28051-506-23 Cross Reference