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National Stock Number:
4820-00-421-9406
Federal Supply Class:
4820
National Item Identification Number:
004219406
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:
| 26-1/2IN-100PSI | 93641 | AQUATROL INC | | 2A1-2MNPT100 | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY | | A23083 | 58455 | SUPERIOR AIR PRODUCTS CO |
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Techincal Specification:
| BONNET ATTACHMENT METHOD | THREADED | | 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 | | FEATURES PROVIDED | VALVE STEM LOCK SHIELD | | FLOW CONTROL DEVICE | DISK | | OPERATING PRESSURE | 165.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE | | MATERIAL | COPPER ALLOY BODY | | MATERIAL | COPPER ALLOY FLOW CONTROL DEVICE | | MATERIAL | COPPER ALLOY SEAT | | MEDIA FOR WHICH DESIGNED | AIR FIRST RESPONSE | | MEDIA FOR WHICH DESIGNED | GAS, NATURAL SECOND RESPONSE | | NOMINAL PIPE SIZE ACCOMMODATED | 0.500 INCHES SECOND END | | NOMINAL PIPE SIZE ACCOMMODATED | 0.750 INCHES FIRST END | | NOMINAL THREAD SIZE | 0.750 INCHES FIRST END | | NOMINAL THREAD SIZE | 0.500 INCHES SECOND END | | OPENING PRESSURE SETTING | 100.0 POUNDS PER SQUARE INCH | | VALVE DISCHARGE FLOW RATE | 160.0 CUBIC FEET PER MINUTE | | VALVE OPERATION METHOD | AUTOMATIC | | STYLE DESIGNATOR | ANGLE | | THREAD DIRECTION | RIGHT-HAND FIRST END | | THREAD DIRECTION | RIGHT-HAND SECOND END | | THREAD QUANTITY PER INCH | 14 FIRST END | | THREAD QUANTITY PER INCH | 14 SECOND END | | THREAD SERIES DESIGNATOR | NPT FIRST END | | THREAD SERIES DESIGNATOR | NPT SECOND END |
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