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National Stock Number:
4820-01-386-1674
Federal Supply Class:
4820
National Item Identification Number:
013861674
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:
| D559T-8M-25 | 91816 | CIRCOR AEROSPACE, INC. | | D559T8M28 | 91816 | CIRCOR AEROSPACE, INC. |
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Techincal Specification:
| CONNECTION STYLE | PLAIN (PIPE) ALL ENDS | | CONNECTION TYPE | THREADED EXTERNAL PIPE ALL ENDS | | FURNISHED ITEMS AND QUANTITY | 1 DEFLECTOR CAP | | FLOW CONTROL DEVICE | POPPET | | MATERIAL | STEEL COMP 303 BODY | | MAXIMUM OPERATING TEMP | 250.0 FAHRENHEIT SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | ACETYLENE FIRST RESPONSE | | MEDIA FOR WHICH DESIGNED | AIR SECOND RESPONSE | | MEDIA FOR WHICH DESIGNED | GAS, INERT FOURTH RESPONSE | | MEDIA FOR WHICH DESIGNED | HYDROGEN THIRD RESPONSE | | NOMINAL THREAD SIZE | 1.000 INCHES ALL ENDS | | OPENING PRESSURE SETTING | 25.0 POUNDS PER SQUARE INCH | | OPERATING PRESSURE | 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE | | VALVE OPERATION METHOD | AUTOMATIC | | STYLE DESIGNATOR | STRAIGHT THRU W/BAFFLE | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | THREAD SERIES DESIGNATOR | NPT ALL ENDS |
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