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

Safety Relief Valve

Model / MPN: 20220-15215 | NSN: 4820-01-340-1256
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
4820-01-340-1256
Sold in multiples of
1 EA
DEMIL
NO
Flow Control Device
Disk
Bonnet Type
Inside screw
Bonnet Attachment Method
Bolted
Bolt Hole Quantity
8 all ends
Maximum Operating Temp
150.0 degrees fahrenheit single response
Valve Operation Method
Automatic
Flange Shape
Round with holes all ends
Connection Type
Flange all ends
Valve Size
4.000 inches
Adjustable Pressure Range
+81.0/+94.0 pounds per square inch
Maximum Operating Pressure
150.0 pounds per square inch single response
Outside Diameter
11.000 inches 1st end
Outside Diameter
9.000 inches 2nd end
Thickness
0.688 inches 2nd end
Thickness
0.812 inches 1st end
First Connection Face To Centerline Distance
9.094 inches
Bolt Hole Diameter
0.750 inches 2nd end
Bolt Hole Diameter
0.875 inches 1st end
Second Connection Face To Centerline Distance
6.532 inches
Bolt Circle Diameter
7.500 inches 2nd end
Bolt Circle Diameter
9.500 inches 1st end
Flange Face Design
Plain all ends
Material
Copper alloy 922 body
Material
Nickel alloy stem
Material
Nickel alloy flow control device
Media For Which Designed
Water-oil-gas single response
20220 Series Parts

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20220-15215 Cross Reference
  • BAMGG06MMP
  • BAMGG06MMP
  • 20220-15215