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


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