4820-00-142-3189 VALVE,RELIEF,PRESSURE AND TEMPER Index 4820-00-142-3191 VALVE,GATE

National Stock Number:
4820-00-142-3190

Federal Supply Class:
4820

National Item Identification Number:
001423190

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:
24079227WATTS REGULATOR CO
MILV1361281349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
N240-X-1IN79227WATTS REGULATOR CO


Techincal Specification:
END CONNECTION QUANTITY2
BODY MATERIALBRONZE, ASTM B61 AND BRONZE, ASTM B62
BODY STYLEANGLE GIVE "ADQM" AND "ADQN" ONLY IF FLANGED ONE OR TWO ENDS
FURNISHED ITEMSEMERGENCY OPENING DEVICE AND BRASS REDUCING BUSHING
FIRST END CONNECTION TYPETHREADED INTERNAL PIPE
FIRST END NOMINAL PIPE SIZE ACCOMMODATED1.000 INCHES
FIRST END STYLE DESIGNATORPLAIN
FIRST END THREAD DIRECTIONRIGHT-HAND
FLOW CONTROL DEVICE MATERIALSILICONE
FLOW CONTROL DEVICEPOPPET
OPENING PRESSURE SETTING75.0 POUNDS PER SQUARE INCH
MEDIA FOR WHICH DESIGNEDWATER, FRESH
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 2 CLASS AND X SIZE
SPECIAL FEATURES850.000 BTU PERHR MIN DISCHARGE
SEAT MATERIALBRONZE, ASTM B61 AND BRONZE, ASTM B62
SECOND END CONNECTION TYPETHREADED EXTERNAL PIPE
SECOND END NOMINAL PIPE SIZE ACCOMMODATED1.000 INCHES
SECOND END RELATIONSHIP WITH FIRST ENDNOT IDENTICAL
SECOND END STYLE DESIGNATORPLAIN
SECOND END THREAD DIRECTIONRIGHT-HAND
STEM MATERIALBRONZE, ASTM B61 AND BRONZE, ASTM B62
TEMP ADJUSTABILITYNOT ADJUSTABLE
TEMP CONTROL DEVICE TYPETHERMOSTATIC
TEMP RATING210.0 FAHRENHEIT


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