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National Stock Number:
4820-01-220-3572
Federal Supply Class:
4820
National Item Identification Number:
012203572
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:
| 20210 | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY | | 2021000P51M | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY | | 20210P51M | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY |
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Techincal Specification:
| END CONNECTION QUANTITY | 2 | | BODY STYLE | ANGLE GIVE "ADQM" AND "ADQN" ONLY IF FLANGED ONE OR TWO ENDS | | CRITICALITY CODE JUSTIFICATION | ZZZY | | FIRST CONNECTION FACE TO CENTERLINE DISTANCE | 3.438 INCHES NOMINAL | | FLOW CONTROL DEVICE | DISK, CIRCULAR | | MATERIAL | COPPER ALLOY BODY | | MEDIA FOR WHICH DESIGNED | AIR | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS | | SECOND CONNECTION FACE TO CENTERLINE DISTANCE | 3.438 INCHES NOMINAL | | TEMP ADJUSTABILITY | NOT ADJUSTABLE |
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