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Safety Relief Valve

Model / MPN: D50-0129 | NSN: 4820-01-653-1250
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
4820-01-653-1250
Sold in multiples of
1 EA
DEMIL
Flow Control Device
Disk
Bonnet Type
Inside spring
Bonnet Attachment Method
Threaded
Disk Loading Method
Spring
Bolt Hole Quantity
3 all ends
Maximum Operating Temp
150.00 degrees fahrenheit 1st response
Maximum Operating Temp
425.00 degrees fahrenheit 2nd response
Valve Operation Method
Manual
Flange Shape
Round with holes all ends
Connection Type
Flange all ends
Valve Size
0.50 inches
Adjustable Pressure Range
+13.00 to 23.00 pounds per square inch
Maximum Operating Pressure
100.00 pounds per square inch 2nd response
Maximum Operating Pressure
150.00 pounds per square inch 1st response
Outside Diameter
3.25 inches all ends
First Connection Face To Centerline Distance
2.50 inches
Bolt Hole Diameter
0.563 inches all ends
Second Connection Face To Centerline Distance
2.38 inches
Bolt Circle Diameter
2.44 inches all ends
Flange Face Design
Recessed straight all ends
Part Name Assigned By Controlling Agency
Valve, angle relief
Material
Bronze body
Material
Steel comp 316 stem
Media For Which Designed
Liquid single response
Style Designator
Angle flanged ends
Solicitations
Solicitation Description Qty UOM Close Date
SPE7MC17TQ615 Valve, Safety Relief 1 EA 07/24/2017
SPE7MC18T2259 Valve, Safety Relief 1 EA 11/20/2017

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D50-0129 Cross Reference
  • BASGG03SCC-A100