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National Stock Number:
4820-01-329-4959
Federal Supply Class:
4820
National Item Identification Number:
013294959
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:
| 1982C 2 X 2.50IN | 16497 | DRESSER, INC. | | 1982C 2IN X 2 1 | 38056 | ASHCROFT INC |
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Techincal Specification:
| STYLE DESIGNATOR | ANGLE | | VALVE OPERATION METHOD | AUTOMATIC | | MATERIAL | STEEL BODY | | STEEL CORROSION RESISTING FLOW CONTROL DEVICE | | STEEL STEM | | FLOW CONTROL DEVICE | DISK | | MAXIMUM OPERATING PRESSURE | 500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MAXIMUM OPERATING TEMP | 400.0 DEG FAHRENHEIT SINGLE RESPONSE | | CONNECTION TYPE | THREADED EXTERNAL PIPE 1ST END | | THREADED INTERNAL PIPE 2ND END | | CONNECTION STYLE | PLAIN (PIPE) 1ST END | | PLAIN,OPTIONAL END(PIPE) 2ND END | | THREAD SERIES DESIGNATOR | NPT ALL ENDS | | NOMINAL THREAD SIZE | 2.000 INCHES 1ST END | | 2.500 INCHES 2ND END | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | BONNET TYPE | INSIDE SCREW | | BONNET ATTACHMENT METHOD | THREADED | | DISK LOADING METHOD | SPRING | | OPENING PRESSURE SETTING | 50.0 POUNDS PER SQUARE INCH |
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