4820-00-272-2237 VALVE,REGULATING,FLUID PRESSURE Index 3020-00-272-2241 SPROCKET WHEEL

National Stock Number:
4820-00-272-2238

Federal Supply Class:
4820

National Item Identification Number:
002722238

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:
1C119699240CRISSAIR INC
K-1120-4-455469ESSEX INDUSTRIES, INC.
K-1120-4-483533ESSEX INDUSTRIES INC


Techincal Specification:
CONNECTION STYLEFLARED (TUBE) FIRST END
CONNECTION STYLEFLARED (TUBE) SECOND END
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
CONNECTION TYPETHREADED EXTERNAL TUBE SECOND END
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEPOPPET
OPERATING PRESSURE6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5640 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 303 OVERALL
MAXIMUM OPERATING TEMP-65.0 FAHRENHEIT FIRST RESPONSE
MAXIMUM OPERATING TEMP200.0 FAHRENHEIT SECOND RESPONSE
MOUNTING POSITIONHORIZONTAL OR VERTICAL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.188 INCHES SECOND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES FIRST END
NOMINAL THREAD SIZE0.437 INCHES FIRST END
NOMINAL THREAD SIZE0.375 INCHES SECOND END
SEAT ANGLE37.0 DEGREES SECOND END
SEAT ANGLE37.0 DEGREES FIRST END
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORSTRAIGHT THRU
THREAD CLASS3A FIRST END
THREAD CLASS3A SECOND END
THREAD DIRECTIONRIGHT-HAND FIRST END
THREAD DIRECTIONRIGHT-HAND SECOND END
THREAD SERIES DESIGNATORUNF FIRST END
THREAD SERIES DESIGNATORUNF SECOND END
THREAD QUANTITY PER INCH20 FIRST END
THREAD QUANTITY PER INCH24 SECOND END


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