NSN 4820-00-821-9001

Safety Relief Valve

FSC: 4820 NIIN: 008219001

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Product Characteristics

NSN:

4820008219001

Demilitarization:

INC:

05488

Shelf Life:

N/A

Pipe Size Accommodated:

0.250 inches 1st end

Thread Direction:

Right-hand 1st end

Flow Control Device:

Poppet

Disk Loading Method:

Spring

Valve Discharge Flow Rate:

33.0 cubic feet per minute

Maximum Operating Temp:

450.0 degrees fahrenheit 1st response

Connection Style:

G9 plain, optional en (pipe) 1st end

Valve Operation Method:

Automatic

Connection Type:

Threaded internal pipe 1st end

Features Provided:

Pressure tight outlet side

Thready Qty Per Inch (tpi):

18 1st end

Maximum Operating Pressure:

275.0 pounds per square inch 2nd response

Thread Size:

0.250 inches 1st end

Opening Pressure Setting:

30.0 pounds per square inch

Material:

Copper alloy body

Media For Which Designed:

Gas, inert 2nd response

Style Designator:

Err-090

Thread Series Designator:

Npt 1st end

Reference Number Differentiating Characteristics:

As differentiated by valve size and set pressure

Part Numbers

1664
ASHCROFT 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

ASHCROFT INC. - 38056