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National Stock Number:
4820-00-980-4919
Federal Supply Class:
4820
National Item Identification Number:
009804919
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:
| 2-906 | 40983 | TRW INC TRW MISSION DRILLLING PRODUCTS DIV | | 38301-4210 | 52253 | FLUID MECHANICS VALVE COMPANY |
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Techincal Specification:
| STYLE DESIGNATOR | ANGLE | | VALVE OPERATION METHOD | AUTOMATIC | | MATERIAL | STEEL COMP 303 BODY | | PLASTIC POLYTETRAFLUOROETHYLENE SEAT | | FLOW CONTROL DEVICE | DISK | | MEDIA FOR WHICH DESIGNED | ETHYLENE GLYCOL 1ST RESPONSE | | STEAM 2ND RESPONSE | | MAXIMUM OPERATING TEMP | 500.0 DEG FAHRENHEIT SINGLE RESPONSE | | CONNECTION TYPE | THREADED INTERNAL PIPE ALL ENDS | | CONNECTION STYLE | PLAIN,OPTIONAL END(PIPE) ALL ENDS | | THREAD SERIES DESIGNATOR | NPT ALL ENDS | | NOMINAL THREAD SIZE | 0.500 INCHES ALL ENDS | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | BONNET TYPE | INSIDE SCREW | | BONNET ATTACHMENT METHOD | THREADED | | DISK LOADING METHOD | SPRING | | OPENING PRESSURE SETTING | 15.0 POUNDS PER SQUARE INCH | | FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE |
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