4820-00-451-0262 VALVE,GATE Index 4820-00-451-0265 VALVE,RADIATOR

National Stock Number:
4820-00-451-0263

Federal Supply Class:
4820

National Item Identification Number:
004510263

Description:
VALVE,RELIEF,PRESSURE AND TEMPER

Detail:
A VALVE DESIGNED TO RELEASE UNDER EXCESSIVE PRESSURE AND/OR EXCESSIVE TEMPERATURE BY OPENING AT A PREDETERMINED PRESSURE AND/OR TEMPERATURE. THERMOSTATICALLY OPERATED VALVES CLOSE WHEN THE PRESSURE IS RELIEVED OR THE TEMPERATURE IS REDUCED. FUSIBLE PLUG VALVES REQUIRE REPLACEMENT OF THE PLUG. SEE ALSO VALVE, SAFETY RELIEF AND VALVE, REGULATING. TEMPERATURE.


Manufacturer Information:
100XL-4 125PSI79227WATTS REGULATOR CO
17753-1019857THE ELECTRIC HEATER CO
18-402-2972219AALBERTS INTEGRATED PIPING SYSTEMS AMERICAS, INC.
18C-402-2972219AALBERTS INTEGRATED PIPING SYSTEMS AMERICAS, INC.
44XL79227WATTS REGULATOR CO
A44XL79227WATTS REGULATOR CO


Techincal Specification:
END CONNECTION QUANTITY2
ADJUSTABLE PRESSURE RANGE+75.0 TO 150.0 POUNDS PER SQUARE INCH
BODY STYLEANGLE GIVE "ADQM" AND "ADQN" ONLY IF FLANGED ONE OR TWO ENDS
FURNISHED ITEMSTEMPERATURE GAGE AND TEST ATTACHMENT
FIRST END CONNECTION TYPETHREADED INTERNAL PIPE
FIRST END STYLE DESIGNATORPLAIN
FIRST END NOMINAL PIPE SIZE ACCOMMODATED0.750 INCHES
FIRST END NOMINAL THREAD SIZE0.750 INCHES
FIRST END THREAD DIRECTIONRIGHT-HAND
FIRST END THREAD CLASS3B
FIRST END THREAD SERIES DESIGNATORNPT
FLOW CONTROL DEVICEDISK, FLAT
MATERIALCOPPER ALLOY BODY
MEDIA FOR WHICH DESIGNEDWATER, FRESH
SECOND END CONNECTION TYPETHREADED EXTERNAL PIPE
SECOND END NOMINAL PIPE SIZE ACCOMMODATED0.750 INCHES
SECOND END NOMINAL THREAD SIZE0.750 INCHES
SECOND END RELATIONSHIP WITH FIRST ENDNOT IDENTICAL
SECOND END STYLE DESIGNATORPLAIN
SECOND END THREAD CLASS3A
SECOND END THREAD DIRECTIONRIGHT-HAND
SECOND END THREAD SERIES DESIGNATORNPT
TEMP ADJUSTABILITYNOT ADJUSTABLE
TEMP CONTROL DEVICE TYPETHERMOSTATIC
TEMP RATING210.0 FAHRENHEIT


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