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Worldwide distributor of NSN parts and consumables located in the USA.

Safety Relief Valve

Model / MPN: 20287 ASSY 20287B51M | NSN: 4820-01-365-5232
ITAR Registered seal

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes valve (1), relief, pressure and temperature.

Product Details
NATO Stock Number
4820-01-365-5232
Sold in multiples of
20 EA
DEMIL
NO
Flow Control Device
Disk
Bonnet Type
Inside screw
Bonnet Attachment Method
Threaded
Bolt Hole Quantity
4 all ends
Maximum Operating Temp
150.0 degrees fahrenheit single response
End Application
Blue ridge class lcc-19
Valve Operation Method
Automatic
Flange Shape
Round with holes all ends
Connection Type
Flange all ends
Valve Size
0.500 inches
Adjustable Pressure Range
+15.0/+19.0 pounds per square inch
Maximum Operating Pressure
150.0 pounds per square inch single response
Outside Diameter
3.500 inches all ends
Thickness
0.312 inches all ends
First Connection Face To Centerline Distance
3.094 inches
Bolt Hole Diameter
0.625 inches all ends
Second Connection Face To Centerline Distance
3.094 inches
Bolt Circle Diameter
2.375 inches all ends
Flange Face Design
Plain all ends
Material
Copper alloy 922 body
Material
Nickel alloy seat
Material
Nickel alloy stem
Material
Nickel alloy flow control device
20287B Series Parts
Solicitations
Solicitation Description Qty UOM Close Date
SPE7MC19T3158 Valve, Safety Relief 2 EA 12/17/2018

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20287 ASSY 20287B51M Cross Reference
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  • 20287 ASSY 20287B51M
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