NSN 4820-01-299-8435

Safety Relief Valve

FSC: 4820 NIIN: 012998435

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Product Characteristics

NSN:

4820012998435

Demilitarization:

INC:

05488

Shelf Life:

N/A

Flow Control Device:

Disk

Bonnet Type:

Packing retaining

Disk Loading Method:

Spring

Bolt Hole Quantity:

8 all ends

Maximum Operating Temp:

450.0 degrees fahrenheit single response

Valve Operation Method:

Automatic

Flange Shape:

Round with holes all ends

Connection Type:

Flange all ends

Valve Size:

4.000 inches

Maximum Operating Pressure:

285.0 pounds per square inch single response

Opening Pressure Setting:

170.0 pounds per square inch

Outside Diameter:

9.000 inches 2nd end

Thickness:

1.000 inches 1st end

Bolt Hole Diameter:

0.875 inches 1st end

Bolt Circle Diameter:

9.500 inches 1st end

Flange Face Design:

Raised straight all ends

Raised Face Height:

0.062 inches all ends

Raised Face Diameter:

8.500 inches 1st end

Material:

Stainless steel seat

Media For Which Designed:

Water-oil-gas single response

Style Designator:

Err-090

Part Numbers

16971-F REV B
CURTISS-WRIGHT FLOW CONTROL
26PA11-170
CURTISS-WRIGHT FLOW CONTROL

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

CURTISS-WRIGHT FLOW CONTROL - 72352