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National Stock Number:
4820-00-202-5503
Federal Supply Class:
4820
National Item Identification Number:
002025503
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:
| FIG2501 | 14959 | CRANE CO DIV VALVE DIV |
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Techincal Specification:
| CONNECTION STYLE | PLAIN (PIPE) 2ND END | | CONNECTION TYPE | THREADED EXTERNAL PIPE 2ND END | | CONNECTION TYPE | THREADED INTERNAL PIPE 1ST END | | CONNECTION STYLE | PLAIN,OPTIONAL END(PIPE) 1ST END | | DISK LOADING METHOD | SPRING | | FEATURES PROVIDED | VALVE STEM LOCK SHIELD | | FLOW CONTROL DEVICE | DISK | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-C-390,ALLOYB5/D/ FED SPEC SINGLE MATERIAL RESPONSE BODYQQ-C-390,ALLOYB5/D/ FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICEQQ-C-390,ALLOYB5/D/ FED SPEC SINGLE MATERIAL RESPONSE SEAT | | MATERIAL | COPPER ALLOY FLOW CONTROL DEVICE | | MATERIAL | COPPER ALLOY SEAT | | MATERIAL | COPPER ALLOY BODY LINING | | MATERIAL | STEEL STEM | | NOMINAL PIPE SIZE ACCOMMODATED | 1.500 INCHES 1ST END | | NOMINAL PIPE SIZE ACCOMMODATED | 1.500 INCHES 2ND END | | NOMINAL THREAD SIZE | 1.500 INCHES 1ST END | | NOMINAL THREAD SIZE | 1.500 INCHES 2ND END | | OPENING PRESSURE SETTING | 50.0 POUNDS PER SQUARE INCH | | STYLE DESIGNATOR | ANGLE | | THREAD DIRECTION | RIGHT-HAND 1ST END | | THREAD DIRECTION | RIGHT-HAND 2ND END | | THREAD SERIES DESIGNATOR | NPT 1ST END | | THREAD SERIES DESIGNATOR | NPT 2ND END | | VALVE DISCHARGE FLOW RATE | 646.0 POUNDS PER HOUR | | VALVE OPERATION METHOD | AUTOMATIC OR MANUAL |
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