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National Stock Number:
4820-01-501-7806
Federal Supply Class:
4820
National Item Identification Number:
015017806
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:
| 3240789 | 53711 | NAVAL SEA SYSTEMS COMMAND | | D559T-8D-55 | 91816 | CIRCOR AEROSPACE, INC. |
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Techincal Specification:
| CONNECTION STYLE | EXTERNAL SEAT FOR GASKET SEAL (BOSS) ALL ENDS | | CONNECTION TYPE | THREADED EXTERNAL BOSS ALL ENDS | | DISK LOADING METHOD | SPRING | | FLOW CONTROL DEVICE | POPPET | | MATERIAL | STEEL CORROSION RESISTING BODY | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | MAXIMUM OPERATING TEMP | 250.0 FAHRENHEIT SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | STEAM SINGLE RESPONSE | | MINIMUM OPERATING TEMP | -40.0 FAHRENHEIT | | NOMINAL THREAD SIZE | 0.750 INCHES ALL ENDS | | OPENING PRESSURE SETTING | 55.0 POUNDS PER SQUARE INCH | | RENEWABLE SEAT RING TYPE | PRESSED-IN | | SPECIAL FEATURES | SEAL MATERIAL IS BUNA-N SYN RUBBER | | VALVE OPERATION METHOD | AUTOMATIC | | STYLE DESIGNATOR | STRAIGHT THRU W/BAFFLE | | THREAD CLASS | 2A ALL ENDS | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | THREAD SERIES DESIGNATOR | UNF ALL ENDS |
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