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:
FLOW CONTROL DEVICEPOPPET
TEMP ADJUSTABILITYNOT ADJUSTABLE
TEMP RATING210.0 DEG FAHRENHEIT
TEMP CONTROL DEVICE TYPETHERMOSTATIC
BODY STYLETEE W/ OFFSET GIVE "ADQM" "ADQN" AND "ADQP" ONLY IF FLANGED ALL ENDS
OFFSET DISTANCE0.625 INCHES NOMINAL
BODY MATERIALBRONZE, ASTM B61 AND
BRONZE, ASTM B62
SEAT MATERIALBRONZE, ASTM B61 AND
BRONZE, ASTM B62
FLOW CONTROL DEVICE MATERIALNICKEL COPPER ALLOY
STEM MATERIALBRONZE, ASTM B61 AND
BRONZE, ASTM B62
END CONNECTION QUANTITY3
FIRST END CONNECTION TYPETHREADED INTERNAL PIPE
FIRST END STYLE DESIGNATORPLAIN
FIRST END NOMINAL PIPE SIZE ACCOMMODATED0.750 INCHES
FIRST END THREAD DIRECTIONRIGHT-HAND
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
THIRD END RELATIONSHIP WITH PRECEDING ENDSIDENTICAL WITH FIRST END
MEDIA FOR WHICH DESIGNEDWATER, FRESH
BULB LENGTH5.625 INCHES NOMINAL
OPENING PRESSURE SETTING125.0 POUNDS PER SQUARE INCH
FURNISHED ITEMSEMERGENCY OPENING DEVICE
SPECIAL FEATURES75.000 BTU PER HR MINDISCHARGE
NONDEFINITIVE SPEC/STD DATA1 TYPE AND
B STYLE AND
2 CLASS AND
X SIZE
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCEMILV13612TYPE1


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