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National Stock Number:
4820-00-289-1883
Federal Supply Class:
4820
National Item Identification Number:
002891883
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:
| A6814EITEM68 | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY | | DD445S4824-51ALT2ITEM68 | 53711 | NAVAL SEA SYSTEMS COMMAND | | DD445S4824-51ALT2ITEM68 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| STYLE DESIGNATOR | ANGLE | | VALVE OPERATION METHOD | AUTOMATIC | | MATERIAL | COPPER ALLOY BODY | | NICKEL ALLOY FLOW CONTROL DEVICE | | NICKEL ALLOY SEAT | | NICKEL ALLOY STEM | | FLOW CONTROL DEVICE | DISK | | MEDIA FOR WHICH DESIGNED | STEAM SINGLE RESPONSE | | MAXIMUM OPERATING PRESSURE | 250.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MAXIMUM OPERATING TEMP | 425.0 DEG FAHRENHEIT SINGLE RESPONSE | | CONNECTION TYPE | THREADED INTERNAL PIPE ALL ENDS | | CONNECTION STYLE | PLAIN,OPTIONAL END(PIPE) ALL ENDS | | NOMINAL PIPE SIZE ACCOMMODATED | 0.500 INCHES 1ST END | | THREAD SERIES DESIGNATOR | NPT ALL ENDS | | NOMINAL THREAD SIZE | 0.500 INCHES ALL ENDS | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | RENEWABLE SEAT RING TYPE | THREADED | | BONNET TYPE | EXPOSED SPRING | | BONNET ATTACHMENT METHOD | BOLTED | | DISK LOADING METHOD | SPRING | | ADJUSTABLE PRESSURE RANGE | 5.0 TO 15.0 POUNDS PER SQUARE INCH |
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