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National Stock Number:
4820-00-289-1151
Federal Supply Class:
4820
National Item Identification Number:
002891151
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:
| R68-13-21 | 81361 | EDGEWOOD CHEMICAL BIOLOGICAL CENTER ECBC |
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Techincal Specification:
| BONNET TYPE | INSIDE SPRING | | BONNET ATTACHMENT METHOD | THREADED | | CONNECTION STYLE | PLAIN (PIPE) FIRST END | | CONNECTION TYPE | THREADED EXTERNAL PIPE FIRST END | | DISK LOADING METHOD | SPRING | | FEATURES PROVIDED | VALVE STEM LOCK SHIELD | | FLOW CONTROL DEVICE | POPPET | | OPERATING PRESSURE | 4000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE | | MATERIAL | COPPER ALLOY BODY | | MATERIAL | STEEL CORROSION RESISTING FLOW CONTROL DEVICE | | MATERIAL | STEEL CORROSION RESISTING SEAT | | MATERIAL | STEEL CORROSION RESISTING STEM | | MEDIA FOR WHICH DESIGNED | AIR SINGLE RESPONSE | | NOMINAL PIPE SIZE ACCOMMODATED | 0.500 INCHES FIRST END | | NOMINAL THREAD SIZE | 0.500 INCHES FIRST END | | OPENING PRESSURE SETTING | 800.0 POUNDS PER SQUARE INCH | | VALVE OPERATION METHOD | AUTOMATIC OR MANUAL | | STYLE DESIGNATOR | ANGLE | | THREAD DIRECTION | RIGHT-HAND FIRST END | | THREAD SERIES DESIGNATOR | NPT FIRST END |
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