NSN 4820-00-814-1957

Safety Relief Valve

FSC: 4820 NIIN: 008141957

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Product Characteristics

NSN:

4820008141957

Demilitarization:

INC:

05488

Shelf Life:

N/A

Pipe Size Accommodated:

1.500 inches all ends

Thread Direction:

Right-hand all ends

Flow Control Device:

Disk

Bonnet Type:

Inside spring

Bonnet Attachment Method:

Threaded

Disk Loading Method:

Spring

Valve Discharge Flow Rate:

314.0 gallons per minute

Maximum Operating Temp:

200.0 degrees fahrenheit single response

Connection Style:

G9 plain, optional en (pipe) all ends

Valve Operation Method:

Automatic

Connection Type:

Threaded internal pipe all ends

Features Provided:

Pressure tight outlet side

Thready Qty Per Inch (tpi):

11-1/2 all ends

Maximum Operating Pressure:

4000.0 pounds per square inch single response

Thread Size:

1.500 inches all ends

Opening Pressure Setting:

750.0 pounds per square inch

Material:

Copper alloy

Media For Which Designed:

Water-oil-gas single response

Style Designator:

Err-090

Thread Series Designator:

Npt all ends

Part Numbers

1535-1
ASHCROFT INC.
1535-1SIZE1 1-2
RICHARDS R W CO

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

ASHCROFT INC. - 38056

RICHARDS R W CO - 03352