4520-01-396-7817 VALVE,RADIATOR,HEATING Index 4820-01-396-7819 VALVE,FLOW CONTROL

National Stock Number:
4820-01-396-7818

Federal Supply Class:
4820

National Item Identification Number:
013967818

Description:
VALVE,VACUUM BREAKING

Detail:
AN ITEM DESIGNED TO AUTOMATICALLY RELIEVE VACUUM, BY THE INTAKE OF AIR, WHEN THE INTERNAL PRESSURE FALLS BELOW ATMOSPHERIC PRESSURE. SEE ALSO VALVE, VACUUM REGULATING.


Manufacturer Information:
VB8-51-SS-T-SE32041KADANT JOHNSON INC.
VB8-51-SS-T-SE85431F.W. WEBB COMPANY DBA W.L. BLAKE & CO - DIVISION OF F.W. WEBB CO DIV W.L. BLAKE & CO


Techincal Specification:
END CONNECTION QUANTITY2
ABSOLUTE PRESSURE RANGE+0.3 TO 0.7
BODY STYLESINGLE CONNECTION, STRAIGHT FLOW
FIRST END CONNECTION TYPETHREADED INTERNAL PIPE
FIRST END NOMINAL PIPE SIZE ACCOMMODATED0.375 INCHES
FIRST END NOMINAL THREAD SIZE0.375 INCHES
FIRST END STYLE DESIGNATORPLAIN
FIRST END THREAD DIRECTIONRIGHT-HAND
FIRST END THREAD SERIES DESIGNATORNPT
FLOW CONTROL DEVICEBALL
MATERIALSTEEL CORROSION RESISTING BODY
MATERIALSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
SECOND END CONNECTION TYPETHREADED EXTERNAL PIPE
SECOND END NOMINAL PIPE SIZE ACCOMMODATED0.500 INCHES
SECOND END NOMINAL THREAD SIZE0.500 INCHES
SECOND END THREAD DIRECTIONRIGHT-HAND
SECOND END THREAD SERIES DESIGNATORNPT
SECOND END RELATIONSHIP WITH FIRST ENDNOT IDENTICAL
SECOND END STYLE DESIGNATORPLAIN
TEMP ADJUSTABILITYNOT ADJUSTABLE
TEMP RATING365.0 FAHRENHEIT


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