NSN 4820-00-059-4678

Safety Relief Valve

FSC: 4820 NIIN: 000594678

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Product Characteristics

NSN:

4820000594678

Demilitarization:

INC:

05488

Shelf Life:

N/A

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

Special Features:

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

Material:

Steel stem

Style Designator:

Angle

Part Numbers

1426DUPLEX
DRESSER, INC.

Shipping & Handling

HMIRS:

No MSDS. No hazardous material.

ESD:

No known electrostatic discharge.

Schedule B:

8481400000 - Safety or relief valves.

Professional Distribution

ITAR Registered
DDTC Registered
HAZMAT Certified
AS9120 Quality Standards
100% Quality Inspections

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Cage Codes

DRESSER, INC. - 16497