4820-00-287-4446 VALVE,CHECK Index 5120-00-287-4448 DRESSER,ABRASIVE WHEEL,HAND

National Stock Number:
4820-00-287-4447

Federal Supply Class:
4820

National Item Identification Number:
002874447

Description:
VALVE,CHECK

Detail:
A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.


Manufacturer Information:
231 1-1/455018RED-WHITE VALVE CORP.
29 1-1/4 IN14959CRANE CO DIV VALVE DIV
548 1-1/4IN76364MILWAUKEE VALVE CO, INC
548B-11476364MILWAUKEE VALVE CO, INC
5035779911OHIO BRASS CO
375-1 1-482667STRATAFLO PRODUCTS, INC
902 1-1/4IN14448HAMMOND VALVE CORP
FIG7563686THE WALWORTH COMPANY
FIG75 1 1-463686THE WALWORTH COMPANY
548B-700-11476364MILWAUKEE VALVE CO, INC


Techincal Specification:
CONNECTION STYLEPLAIN, OPTIONAL END (PIPE) ALL ENDS
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
FLOW CONTROL DEVICEDISK
OPERATING PRESSURE125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE
OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390,ALLOY B5/D/ FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390,ALLOY B5/D/ FED SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIALCOPPER ALLOY 836 BODY
MATERIALCOPPER ALLOY 836 SEAT
MATERIALCOPPER ALLOY FLOW CONTROL DEVICE
MAXIMUM OPERATING TEMP150.0 FAHRENHEIT SECOND RESPONSE
MAXIMUM OPERATING TEMP353.0 FAHRENHEIT FIRST RESPONSE
MEDIA FOR WHICH DESIGNEDSTEAM FIRST RESPONSE
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SECOND RESPONSE
MOUNTING POSITIONVERTICAL
NOMINAL THREAD SIZE1.250 INCHES ALL ENDS
SPECIAL FEATURESCOMPLIES WITH MSS SP-80;O/A LG 3.280 IN.
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORSTRAIGHT THRU
THREAD DIRECTIONRIGHT-HAND ALL ENDS
THREAD SERIES DESIGNATORNPT ALL ENDS
THREAD QUANTITY PER INCH11-1/2 FIRST END


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