NSN 4820-00-038-7018

Safety Relief Valve

FSC: 4820 NIIN: 000387018

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NSN 4820-00-038-7018 Description

Disk flow control device, inside spring bonnet type, threaded bonnet attachment method, spring disk loading method, 10.0 gallons per minute valve discharge flow rate.

Product Characteristics

NSN:

4820000387018

Demilitarization:

INC:

05488

Shelf Life:

N/A

Flow Control Device:

Disk

Bonnet Type:

Inside spring

Bonnet Attachment Method:

Threaded

Disk Loading Method:

Spring

Valve Discharge Flow Rate:

10.0 gallons per minute

Renewable Seat Ring Type:

Threaded

Bolt Hole Quantity:

6 all ends

Maximum Operating Temp:

70.0 degrees fahrenheit single response

Valve Operation Method:

Automatic

Flange Shape:

Round with holes all ends

Connection Type:

Flange all ends

Features Provided:

Pressure tight outlet side

Adjustable Pressure Range:

+15.0/+30.0 pounds per square inch

Maximum Operating Pressure:

250.0 pounds per square inch single response

Opening Pressure Setting:

30.0 pounds per square inch

Outside Diameter:

5.620 inches all ends

Thickness:

0.812 inches all ends

Bolt Hole Diameter:

0.562 inches all ends

Bolt Circle Diameter:

3.938 inches all ends

Flange Face Design:

Plain all ends

Material:

Steel seat

Material Specification:

Qq-c-390, alloyd4/d/ federal specification single material response body

Media For Which Designed:

Water, fresh single response

Style Designator:

Angle

Test Data Document:

81349-mil-s-901 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).

Nondefinitive Specification/std Data:

B grade