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National Stock Number:
4820-01-185-9439
Federal Supply Class:
4820
National Item Identification Number:
011859439
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:
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Techincal Specification:
| END CONNECTION QUANTITY | 2 | | ADJUSTABLE PRESSURE RANGE | +1400.0 TO 1800.0 POUNDS PER SQUARE INCH | | BODY STYLE | STRAIGHT THRU | | FIRST END CONNECTION TYPE | THREADED INTERNAL BOSS | | FIRST END NOMINAL THREAD SIZE | 1.3125 INCHES | | FIRST END THREAD DIRECTION | RIGHT-HAND | | FIRST END THREAD CLASS | 3B | | FIRST END THREAD PITCH DIAMETERS | +1.2584 TO 1.2659 INCHES | | FIRST END THREAD SERIES DESIGNATOR | UNS | | FIRST END STYLE DESIGNATOR | GASKET SEAL | | FLOW CONTROL DEVICE | PISTON, SPRING LOADED | | MATERIAL | STEEL BODY | | MATERIAL | STEEL OVERALL | | SECOND END RELATIONSHIP WITH FIRST END | IDENTICAL | | VALVE DISCHARGE FLOW RATE | 12.0 GALLONS PER MINUTE | | TEMP CONTROL DEVICE TYPE | THERMOSTATIC | | TEMP ADJUSTABILITY | NOT ADJUSTABLE | | TEMP RATING | 600.0 FAHRENHEIT |
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