4820-00-683-9346 VALVE,GATE Index 4820-00-683-9349 DISK,VALVE

National Stock Number:
4820-00-683-9348

Federal Supply Class:
4820

National Item Identification Number:
006839348

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:
40XL 3/4IN 125PSI79227WATTS REGULATOR CO
40XL3/4 IN79227WATTS REGULATOR CO
M4571279227WATTS REGULATOR CO
MILV13612TYPE181349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
END CONNECTION QUANTITY3
BODY STYLETEE W/ OFFSET GIVE "ADQM" "ADQN" AND "ADQP" ONLY IF FLANGED ALL ENDS
BULB LENGTH5.625 INCHES NOMINAL
FURNISHED ITEMSEMERGENCY OPENING DEVICE
FIRST END CONNECTION TYPETHREADED INTERNAL PIPE
FIRST END STYLE DESIGNATORPLAIN
FIRST END NOMINAL PIPE SIZE ACCOMMODATED0.750 INCHES
FIRST END THREAD DIRECTIONRIGHT-HAND
FLOW CONTROL DEVICEPOPPET
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B61 ASSN STD SINGLE MATERIAL RESPONSE AND ASTM B62 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B61 ASSN STD SINGLE MATERIAL RESPONSE AND ASTM B62 ASSN STD SINGLE MATERIAL RESPONSE SEAT
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B61 ASSN STD SINGLE MATERIAL RESPONSE AND ASTM B62 ASSN STD SINGLE MATERIAL RESPONSE STEM
MATERIALCOPPER ALLOY 922 AND COPPER ALLOY 836 BODY
MATERIALCOPPER ALLOY 922 AND COPPER ALLOY 836 SEAT
MATERIALCOPPER ALLOY 922 AND COPPER ALLOY 836 STEM
MATERIALNICKEL ALLOY FLOW CONTROL DEVICE
MEDIA FOR WHICH DESIGNEDWATER, FRESH
NONDEFINITIVE SPEC/STD DATA1 TYPE AND B STYLE AND 2 CLASS AND X SIZE
OPENING PRESSURE SETTING125.0 POUNDS PER SQUARE INCH
OFFSET DISTANCE0.625 INCHES NOMINAL
SPECIAL FEATURES75.000 BTU PER HR MINDISCHARGE
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
TEMP ADJUSTABILITYNOT ADJUSTABLE
TEMP CONTROL DEVICE TYPETHERMOSTATIC
TEMP RATING210.0 FAHRENHEIT
THIRD END RELATIONSHIP WITH PRECEDING ENDSIDENTICAL WITH FIRST END


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