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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.
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Manufacturer Information:
| 17723-7 AND N131 SET 110PSI | 19857 | THE ELECTRIC HEATER CO | | 31SL3-4-110PSI | 79227 | WATTS REGULATOR CO | | HSRV-1-10 | 19857 | THE ELECTRIC HEATER CO | | HSRV-9-110 | 19857 | THE ELECTRIC HEATER CO |
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Techincal Specification:
| END CONNECTION QUANTITY | 2 | | BODY STYLE | ANGLE GIVE "ADQM" AND "ADQN" ONLY IF FLANGED ONE OR TWO ENDS | | FIRST END CONNECTION TYPE | THREADED INTERNAL PIPE | | FIRST END NOMINAL PIPE SIZE ACCOMMODATED | 0.500 INCHES | | FIRST END STYLE DESIGNATOR | PLAIN | | FIRST END THREAD DIRECTION | RIGHT-HAND | | FLOW CONTROL DEVICE | DISK, TOP GUIDED | | MATERIAL | COPPER ALLOY BODY | | MATERIAL | COPPER ALLOY SEAT | | MATERIAL | COPPER ALLOY STEM | | MATERIAL | RUBBER FLOW CONTROL DEVICE | | MEDIA FOR WHICH DESIGNED | WATER, FRESH | | OPENING PRESSURE SETTING | ERR-060 | | SECOND END CONNECTION TYPE | THREADED EXTERNAL PIPE | | SECOND END NOMINAL PIPE SIZE ACCOMMODATED | 0.500 INCHES | | SECOND END THREAD DIRECTION | RIGHT-HAND | | SECOND END RELATIONSHIP WITH FIRST END | NOT IDENTICAL | | SECOND END STYLE DESIGNATOR | PLAIN | | TEMP ADJUSTABILITY | NOT ADJUSTABLE | | TEMP CONTROL DEVICE TYPE | THERMOSTATIC | | TEMP RATING | 210.0 FAHRENHEIT |
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