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National Stock Number:
4820-01-233-8960
Federal Supply Class:
4820
National Item Identification Number:
012338960
Description:
VALVE,SAFETY RELIEF
Detail:
A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes VALVE (1), RELIEF, PRESSURE AND TEMPERATURE.
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Manufacturer Information:
| 1543-1/2-0-30PSI | 16497 | DRESSER, INC. | | 1543D-V2IN0T30PSI | 16497 | DRESSER, INC. |
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Techincal Specification:
| CONNECTION STYLE | PLAIN (PIPE) SECOND END | | CONNECTION STYLE | PLAIN,OPTIONAL END(PIPE) FIRST END | | CONNECTION TYPE | THREADED EXTERNAL PIPE SECOND END | | CONNECTION TYPE | THREADED INTERNAL PIPE FIRST END | | FLOW CONTROL DEVICE | DISK | | MATERIAL | COPPER ALLOY OVERALL | | MAXIMUM OPERATING TEMP | 406.0 FAHRENHEIT SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | AIR FIRST RESPONSE | | MEDIA FOR WHICH DESIGNED | GAS, INERT SECOND RESPONSE | | MEDIA FOR WHICH DESIGNED | STEAM THIRD RESPONSE | | NOMINAL THREAD SIZE | 0.500 INCHES SECOND END | | NOMINAL THREAD SIZE | 0.750 INCHES FIRST END | | OPENING PRESSURE SETTING | 30.0 POUNDS PER SQUARE INCH | | OPERATING PRESSURE | 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE | | VALVE OPERATION METHOD | AUTOMATIC | | STYLE DESIGNATOR | ANGLE | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | THREAD SERIES DESIGNATOR | NPT ALL ENDS |
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