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National Stock Number:
4820-00-843-3490
Federal Supply Class:
4820
National Item Identification Number:
008433490
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:
| VALVE OPERATION METHOD | AUTOMATIC | | STYLE DESIGNATOR | ANGLE | | THREAD DIRECTION | RIGHT-HAND 1ST END | | THREAD QUANTITY PER INCH | 11-1/2 1ST END | | THREAD SERIES DESIGNATOR | NPT 1ST END | | DISK LOADING METHOD | SPRING | | BONNET TYPE | INSIDE SPRING | | BONNET ATTACHMENT METHOD | THREADED | | CONNECTION TYPE | THREADED INTERNAL PIPE 1ST END | | CONNECTION STYLE | PLAIN,OPTIONAL END(PIPE) 1ST END | | FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE | | FLOW CONTROL DEVICE | DISK | | MATERIAL | COPPER ALLOY BODY | | MATERIAL | COPPER ALLOY SEAT | | MATERIAL | STEEL STEM | | PROPRIETARY CHARACTERISTICS | PACS | | MAXIMUM OPERATING PRESSURE | 250.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | NOMINAL PIPE SIZE ACCOMMODATED | 2.000 INCHES 1ST END | | NOMINAL THREAD SIZE | 2.000 INCHES 1ST END | | OPENING PRESSURE SETTING | 250.0 POUNDS PER SQUARE INCH |
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