4820-01-045-7727 VALVE,CYLINDER,GAS Index 5985-01-045-7729 FLANGE,WAVEGUIDE

National Stock Number:
4820-01-045-7728

Federal Supply Class:
4820

National Item Identification Number:
010457728

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:
17723-7 AND N131 SET 110PSI19857THE ELECTRIC HEATER CO
31SL3-4-110PSI79227WATTS REGULATOR CO
HSRV-1-1019857THE ELECTRIC HEATER CO
HSRV-9-11019857THE ELECTRIC HEATER CO


Techincal Specification:
END CONNECTION QUANTITY2
BODY STYLEANGLE GIVE "ADQM" AND "ADQN" ONLY IF FLANGED ONE OR TWO ENDS
FIRST END CONNECTION TYPETHREADED INTERNAL PIPE
FIRST END STYLE DESIGNATORPLAIN
FIRST END NOMINAL PIPE SIZE ACCOMMODATED0.500 INCHES
FIRST END THREAD DIRECTIONRIGHT-HAND
FLOW CONTROL DEVICEDISK, TOP GUIDED
MATERIALCOPPER ALLOY BODY
MATERIALCOPPER ALLOY SEAT
MATERIALCOPPER ALLOY STEM
MATERIALRUBBER FLOW CONTROL DEVICE
MEDIA FOR WHICH DESIGNEDWATER, FRESH
OPENING PRESSURE SETTING110.0 POUNDS PER SQUARE INCH
SECOND END CONNECTION TYPETHREADED EXTERNAL PIPE
SECOND END NOMINAL PIPE SIZE ACCOMMODATED0.500 INCHES
SECOND END RELATIONSHIP WITH FIRST ENDNOT IDENTICAL
SECOND END STYLE DESIGNATORPLAIN
SECOND END THREAD DIRECTIONRIGHT-HAND
TEMP ADJUSTABILITYNOT ADJUSTABLE
TEMP CONTROL DEVICE TYPETHERMOSTATIC
TEMP RATING210.0 FAHRENHEIT


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