4820-01-004-8033 VALVE,CHECK Index 4820-01-004-8035 VALVE,BUTTERFLY

National Stock Number:
4820-01-004-8034

Federal Supply Class:
4820

National Item Identification Number:
010048034

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:
GV500LU4SAK20512SARGENT-WELCH SCIENTIFIC CO
L52200-4SAK01178LOURDES INDUSTRIES, INC.
L522004S0K01178LOURDES INDUSTRIES, INC.


Techincal Specification:
MATERIALALUMINUM ALLOY 6061 BODY
STEEL COMP 303 FLOW CONTROL DEVICE
ALUMINUM ALLOY 6061 SEAT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/8,ALLOY 6061,T651 FED SPEC SINGLE MATERIAL RESPONSE BODY
QQ-S-764,COMP 303-CANCELED FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
QQ-A-225/8,ALLOY 6061,T651 FED SPEC SINGLE MATERIAL RESPONSE SEAT
SURFACE TREATMENTANODIZE
STYLE DESIGNATORSTRAIGHT THRU
FLOW CONTROL DEVICEPOPPET
MEDIA FOR WHICH DESIGNEDAIR 1ST RESPONSE
FUEL/OIL, HYDROCARBON 2ND RESPONSE
MAXIMUM OPERATING PRESSURE400.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP350.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHODAUTOMATIC
CONNECTION TYPETHREADED EXTERNAL TUBE 1ST END
THREADED INTERNAL BOSS 2ND END
CONNECTION STYLEFLARED (TUBE) 1ST END
GASKET SEAL (BOSS) 2ND END
SEAT ANGLE45.0 DEGREES 1ST END
THREAD SERIES DESIGNATORUNJF 1ST END
UNJF 2ND END
NOMINAL THREAD SIZE0.437 INCHES 1ST END
0.437 INCHES 2ND END
THREAD CLASS3A 1ST END
3B 2ND END
THREAD DIRECTIONRIGHT-HAND 1ST END
RIGHT-HAND 2ND END
MOUNTING POSITIONVERTICAL
DISK LOADING METHODSPRING
SPECIAL FEATURESRATED FLOW 1.3 GPM


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