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

Safety Relief Valve

Model / MPN: 9549385 | NSN: 4820-01-439-6630
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
4820-01-439-6630
Sold in multiples of
1 EA
DEMIL
NO
Flow Control Device
Disk
Bonnet Type
Inside screw
Bonnet Attachment Method
Bolted
Disk Loading Method
Spring
Bolt Hole Quantity
8 1st end
Bolt Hole Quantity
8 2nd end
End Application
Usns stalwart class tagos
Valve Operation Method
Automatic
Flange Shape
Round with holes 1st end
Flange Shape
Round with holes 2nd end
Connection Type
Flange 2nd end
Connection Type
Flange 1st end
Mounting Facility
Bracket
Valve Size
4.000 inches
Maximum Operating Pressure
400.0 pounds per square inch single response
Opening Pressure Setting
20.0 pounds per square inch
Outside Diameter
10.000 inches 1st end
Outside Diameter
9.000 inches 2nd end
Thickness
0.937 inches 2nd end
Thickness
1.250 inches 1st end
Bolt Hole Diameter
0.750 inches 2nd end
Bolt Hole Diameter
0.875 inches 1st end
Bolt Circle Diameter
7.875 inches 1st end
Bolt Circle Diameter
7.500 inches 2nd end
Flange Face Design
Raised straight 1st end
Flange Face Design
Plain 2nd end
Raised Face Height
0.062 inches 1st end
Raised Face Diameter
6.937 inches 1st end
Material
Copper alloy flow control device
Material
Iron body
Material
Steel stem
Media For Which Designed
Oil, lubricating, diester base single response
95493 Series Parts

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9549385 Cross Reference