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National Stock Number:
4820-00-289-1873
Federal Supply Class:
4820
National Item Identification Number:
002891873
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:
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Techincal Specification:
| BONNET ATTACHMENT METHOD | INTEGRAL | | BONNET TYPE | INSIDE SPRING | | 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 | | DISK LOADING METHOD | SPRING | | FLOW CONTROL DEVICE | DISK | | OPERATING PRESSURE | 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE | | MATERIAL | COPPER ALLOY OVERALL | | MEDIA FOR WHICH DESIGNED | STEAM SINGLE RESPONSE | | NOMINAL PIPE SIZE ACCOMMODATED | 0.750 INCHES SECOND END | | NOMINAL PIPE SIZE ACCOMMODATED | 0.750 INCHES FIRST END | | NOMINAL THREAD SIZE | 0.750 INCHES FIRST END | | NOMINAL THREAD SIZE | 0.750 INCHES SECOND END | | OPENING PRESSURE SETTING | 50.0 POUNDS PER SQUARE INCH | | VALVE OPERATION METHOD | AUTOMATIC OR MANUAL | | STYLE DESIGNATOR | ANGLE | | THREAD DIRECTION | RIGHT-HAND FIRST END | | THREAD DIRECTION | RIGHT-HAND SECOND END | | THREAD SERIES DESIGNATOR | NPT FIRST END | | THREAD SERIES DESIGNATOR | NPT SECOND END |
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