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National Stock Number:
4820-01-253-6686
Federal Supply Class:
4820
National Item Identification Number:
012536686
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:
| 8431394 | 2Y894 | ENGINEERED CONTROLS INTERNATIONAL, LLC | | 8431394 | 98752 | WARNER ROBINS AIR LOGISTICS CENTER | | NRV250B-135B | 06023 | REGO CO A MARMON GROUP CO | | PRV250B-135 | 2Y894 | ENGINEERED CONTROLS INTERNATIONAL, LLC | | PRV250B-135 | 86120 | MARMON GROUP INC THE | | PRV9432F135B | 86120 | MARMON GROUP INC THE |
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Techincal Specification:
| END CONNECTION QUANTITY | 1 | | BODY STYLE | SINGLE CONNECTION | | FIRST END CONNECTION TYPE | THREADED EXTERNAL PIPE | | FIRST END STYLE DESIGNATOR | PLAIN | | FIRST END NOMINAL PIPE SIZE ACCOMMODATED | 0.250 INCHES | | FIRST END NOMINAL THREAD SIZE | 0.250 INCHES | | FIRST END THREAD DIRECTION | RIGHT-HAND | | FIRST END THREAD SERIES DESIGNATOR | NPT | | FLOW CONTROL DEVICE | DISK, FLAT | | SPECIAL FEATURES | USED ON P/N 8431400;DIM O/A LG 2.250 IN MAX; O/A W 0.875 IN;STORAGE TEMP RANGE C MINUS 10.0 TO POS C85.0 AIM-9 MSL;TEMPERATURE RATING WAS PREVIOUSLY NOTATED WITH SAC CODING AS 1A 10.0 DEGREES CELSIUS AND 1B AS 55.0 DEGREES CELSIUS;BODY MATERIAL CU0091 (COPPER ALLOY 360, QQ-B-626, 1/2H) | | VALVE DISCHARGE FLOW RATE | 50.0 CUBIC FEET PER MINUTE | | TEMP ADJUSTABILITY | NOT ADJUSTABLE |
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