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National Stock Number:
4820-01-590-4810
Federal Supply Class:
4820
National Item Identification Number:
015904810
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:
| HSRV-12 | 19857 | ELECTRIC HEATER CO | | HSRV-12-150 | 19857 | 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 | | BULB LENGTH | 4.125 INCHES NOMINAL | | FURNISHED ITEMS | RETAINING RING AND COUPLING NUT W/TAILPIECE | | FIRST CONNECTION FACE TO CENTERLINE DISTANCE | 3.500 INCHES NOMINAL | | PROPRIETARY CHARACTERISTICS | PACS | | OPENING PRESSURE SETTING | 150.0 POUNDS PER SQUARE INCH | | SECOND CONNECTION FACE TO CENTERLINE DISTANCE | 3.250 INCHES NOMINAL | | SPECIAL FEATURES | FIRST END 3/4 INCH FEMALE NPT UNION TAIL AND NUT CONNECTION, SECOND END 3/4 INCH MALE NPT X 3/4 INCH SIL-BRAZE UNION | | TEMP RATING | 210.0 DEG FAHRENHEIT |
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