NSN 4820-00-289-3833

Safety Relief Valve

FSC: 4820 NIIN: 002893833

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Product Characteristics

NSN:

4820002893833

Demilitarization:

INC:

05488

Shelf Life:

N/A

Flow Control Device:

Disk

Bonnet Type:

Exposed spring

Bonnet Attachment Method:

Bolted

Disk Loading Method:

Spring

Renewable Seat Ring Type:

Welded

Bolt Hole Quantity:

3 all ends

Maximum Operating Temp:

425.0 degrees fahrenheit single response

Valve Operation Method:

Automatic or manual

Flange Shape:

Round with holes all ends

Connection Type:

Flange all ends

Features Provided:

Pressure tight outlet side

Adjustable Pressure Range:

+28.0/+45.0 pounds per square inch

Maximum Operating Pressure:

150.0 pounds per square inch single response

Outside Diameter:

3.562 inches all ends

Thickness:

0.375 inches all ends

First Connection Face To Centerline Distance:

3.000 inches

Bolt Hole Diameter:

0.562 inches all ends

Second Connection Face To Centerline Distance:

3.250 inches

Bolt Circle Diameter:

2.438 inches all ends

Flange Face Design:

Raised straight all ends

Raised Face Height:

0.062 inches all ends

Raised Face Diameter:

1.375 inches all ends

Material:

Stainless steel stem

Media For Which Designed:

Steam single response

Style Designator:

Angle flanged ends

Part Numbers

1813
ASHCROFT INC.
1813BC1
ASHCROFT INC.
5VAK72
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