NSN 4820-00-959-7299

Safety Relief Valve

FSC: 4820 NIIN: 009597299

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Product Characteristics

NSN:

4820009597299

Demilitarization:

INC:

05488

Shelf Life:

N/A

Pipe Size Accommodated:

2.000 inches 1st end

Thread Direction:

Right-hand all ends

Flow Control Device:

Disk

Bonnet Type:

Inside spring

Bonnet Attachment Method:

Bolted

Disk Loading Method:

Spring

Maximum Operating Temp:

250.0 degrees fahrenheit single response

Connection Style:

G9 plain, optional en (pipe) all ends

Valve Operation Method:

Automatic or manual

Connection Type:

Threaded internal pipe all ends

Features Provided:

Valve stem lock shield and bonnet packing

Maximum Operating Pressure:

160.0 pounds per square inch single response

Thread Size:

2.000 inches all ends

Opening Pressure Setting:

30.0 pounds per square inch

Special Features:

W/diaphragm seal of bonnet cavity

Material:

Copper alloy 836 seat

Material Specification:

Qq-c-390, alloy b5/d federal specification single material response seat

Media For Which Designed:

Water, fresh 2nd response

Style Designator:

Err-090

Thread Series Designator:

Npt all ends

Part Numbers

174A
WATTS REGULATOR CO
174A 2IN30PSI
WATTS REGULATOR 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

WATTS REGULATOR CO - 79227