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National Stock Number:
4820-00-165-9632
Federal Supply Class:
4820
National Item Identification Number:
001659632
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:
| C1058S2D25 | 81755 | LOCKHEED MARTIN CORPORATION | | D539T2M25 | 91816 | CIRCOR AEROSPACE, INC. | | D559T1-2M-25 | 91816 | CIRCOR AEROSPACE, INC. | | D559T2M25 | 91816 | CIRCOR AEROSPACE, INC. |
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Techincal Specification:
| STYLE DESIGNATOR | STRAIGHT THRU W/BAFFLE | | VALVE OPERATION METHOD | AUTOMATIC | | MATERIAL | STEEL COMP 303 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | FEDSTD66,AISI303/SAE30303 FED STD ALL MATERIAL RESPONSES OVERALL | | FLOW CONTROL DEVICE | POPPET | | MEDIA FOR WHICH DESIGNED | ACETYLENE 1ST RESPONSE | | AIR 2ND RESPONSE | | GAS, INERT 3RD RESPONSE | | HYDROGEN 4TH RESPONSE | | REFRIGERANT 12 5TH RESPONSE | | MAXIMUM OPERATING PRESSURE | 200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MAXIMUM OPERATING TEMP | 250.0 DEG FAHRENHEIT SINGLE RESPONSE | | CONNECTION TYPE | THREADED EXTERNAL PIPE ALL ENDS | | CONNECTION STYLE | PLAIN (PIPE) ALL ENDS | | THREAD SERIES DESIGNATOR | NPT ALL ENDS | | NOMINAL THREAD SIZE | 0.250 INCHES ALL ENDS | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | DISK LOADING METHOD | SPRING | | OPENING PRESSURE SETTING | 25.0 POUNDS PER SQUARE INCH |
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