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National Stock Number: 4820-01-175-6357
Federal Supply Class: 4820
National Item Identification Number: 011756357
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:
| 9920 | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY | | 9920 PART E9920R51M | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY | | E9920R51M | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY | | E9920R51M | 15187 | EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP | | 9920 PART E9920R51M | 15187 | EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP |
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Techincal Specification:
| ADJUSTABLE PRESSURE RANGE | +151.0 TO 180.0 POUNDS PER SQUARE INCH | | BONNET TYPE | INSIDE SPRING | | BONNET ATTACHMENT METHOD | UNION | | CONNECTION STYLE | SOCKET WITH BRAZING RING ALL ENDS | | CONNECTION TYPE | UNTHREADED INTERNAL PIPE ALL ENDS | | DISK LOADING METHOD | SPRING | | FLOW CONTROL DEVICE | DISK | | MATERIAL | COPPER ALLOY BODY | | MATERIAL | NICKEL ALLOY FLOW CONTROL DEVICE | | MATERIAL | NICKEL ALLOY SEAT | | MATERIAL | NICKEL ALLOY STEM | | MAXIMUM OPERATING TEMP | 150.0 FAHRENHEIT SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | WATER-OIL-GAS SINGLE RESPONSE | | NOMINAL PIPE SIZE ACCOMMODATED | 0.250 INCHES ALL ENDS | | OPERATING PRESSURE | 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE | | RENEWABLE SEAT RING TYPE | THREADED | | VALVE OPERATION METHOD | AUTOMATIC | | STYLE DESIGNATOR | ANGLE |
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