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National Stock Number:
4820-01-239-8934
Federal Supply Class:
4820
National Item Identification Number:
012398934
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:
| 31501 | 31849 | GREGORY ENGINEERING CORP |
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Techincal Specification:
| END CONNECTION QUANTITY | 2 | | FIRST END CONNECTION TYPE | THREADED INTERNAL PIPE | | FIRST END NOMINAL PIPE SIZE ACCOMMODATED | 0.750 INCHES | | FIRST END THREAD DIRECTION | RIGHT-HAND | | MATERIAL | IRON CAST BODY | | SECOND END CONNECTION TYPE | THREADED INTERNAL PIPE | | SECOND END NOMINAL PIPE SIZE ACCOMMODATED | 0.500 INCHES | | SECOND END RELATIONSHIP WITH FIRST END | NOT IDENTICAL | | SECOND END THREAD DIRECTION | RIGHT-HAND | | SPECIAL FEATURES | PRESSURE PORT 0.500 IN. NPT INTERNAL THREADS; MAX PSI 1500 |
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