NSN 4820-00-059-4678 Velocity Fuse

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4820-00-059-4678

About this product

Duplex valve,two safety valves mtd in onebody,1st connection face to centerline distance9.000 in.,2nd connection face to centerlinedistance 6.625 in..

Manufacturer part number 1426DUPLEX for national stock number 4820000594678.

Datasheet

Product description

Safety Relief Valve NSN 4820-00-059-4678.
MPN or Model

1426DUPLEX
Schedule B
8481.40.0000 (Safety or relief valves)
Flow Control Device
Disk
Bonnet Type
Exposed spring
Bonnet Attachment Method
Bolted
Disk Loading Method
Spring
Valve Discharge Flow Rate
71616.0 pounds per hour
Bolt Hole Quantity
8 2nd end
Valve Operation Method
Automatic
Flange Shape
Round with holes 2nd end
Connection Type
Flange 2nd end
Maximum Operating Pressure
550.0 pounds per square inch single response
Opening Pressure Setting
525.0 pounds per square inch
Outside Diameter
9.000 inches 2nd end
Bolt Hole Diameter
1.125 inches 1st end
Bolt Circle Diameter
7.500 inches 2nd end
Flange Face Design
Raised straight 2nd end
Raised Face Height
0.062 inches 2nd end
Raised Face Diameter
7.312 inches 1st end
Material
Steel stem
Style Designator
Angle

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Safety Relief Valve

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.

Pricing and Availability

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Manufacturer Part Numbers and Alternates

MPN manufacturer part number	Registrant or Supplier
1426DUPLEX	Dresser, Inc.

Stock Check

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