NSN 4820-01-499-5988 Safety Relief Valve

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Manufacturer Datasheet

SKU: 4820-01-499-5988 Model: 77C

MRC

Name

Detail

MRC:

ADQU

Flow Control Device

Piston

MRC:

ADSR

Bonnet Type

Inside spring

MRC:

ADST

Bonnet Attachment Method

Threaded

MRC:

ADSU

Disk Loading Method

Spring

MRC:

AGAV

End Application

Centrifugal compressor

MRC:

AHNC

Connection Style

G5a flar (tube) all ends

MRC:

AQLR

Valve Operation Method

Automatic

MRC:

AWLS

Connection Type

Threaded internal pipe all ends

MRC:

CQCY

Adjustable Pressure Range

+30.0/+100.0 pounds per square inch

MRC:

CQGM

Maximum Operating Pressure

100.0 pounds per square inch single response

MRC:

FEAT

Special Features

Dresser rand purchases this valve (pc 82) and spring (pc 81, p/n 407s-ws) from fulflo and assembles and sets cracking pressure at their factory. Dresser rand refused to specify cracking pressure setting. Similar item is 4820-01-259-8850 which uses the same spring and is set at 55 psi.

MRC:

MATT

Material

Steel

MRC:

MEDA

Media For Which Designed

Oil 1st response

MRC:

STYL

Style Designator

Err-090

MRC:

NSN

4820014995988

MRC:

Supply Class

#4820 - Nonpowered Valves

MRC:

PMIC

No precious metal content.

MRC:

HMIC

No MSDS. No hazardous material.

MRC:

Unit of Issue

Manufacturers and Distributors

CAGE

Name

CAGE:

93236

DRESSER-RAND CO

CAGE:

0AT62

DRESSER-RAND COMPANY

Part Numbers and Brands

Part Number

Brand

77C

Dresser-rand Co

077C

Dresser-rand Co

PL12498531 PC NO 82

Dresser-rand Co

12498531

Dresser-rand Co

PL12498531

Dresser-rand Co

Certificates

Factory New (FN), New Material (NE), New Unused Surplus (NS), Overhauled (OH), Serviceable (SV), Repairable (RP), and AS Removed / Used (AR) material will be accompanied by a Certificate of Conformance, and any other documents/trace when applicable.

Delivery

Delivery of IN-STOCK orders ship same-day when order is placed before 2:00 PM EST.

Delivery dates for NON-STOCK items are estimates based on current backlog and are subject to confirmation at the time of order.

Satisfaction

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