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National Stock Number:
4820-01-223-2119
Federal Supply Class:
4820
National Item Identification Number:
012232119
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:
| C1058S2D100R0 | 81755 | LOCKHEED MARTIN CORPORATION | | D539-2M-100.0 | 91816 | CIRCOR AEROSPACE, INC. | | D599-2M-100.0 | 91816 | CIRCOR AEROSPACE, INC. |
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Techincal Specification:
| CONNECTION STYLE | PLAIN (PIPE) 1ST END | | CONNECTION TYPE | THREADED EXTERNAL PIPE 1ST END | | FLOW CONTROL DEVICE | POPPET | | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE AND AISI303/SAE30303 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 303 OVERALL | | MAXIMUM OPERATING PRESSURE | 200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MAXIMUM OPERATING TEMP | 250.0 FAHRENHEIT SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | ACETYLENE 2ND RESPONSE | | MEDIA FOR WHICH DESIGNED | AIR 1ST RESPONSE | | MEDIA FOR WHICH DESIGNED | AMMONIA, GASEOUS 4TH RESPONSE | | MEDIA FOR WHICH DESIGNED | AMMONIA, LIQUID 5TH RESPONSE | | MEDIA FOR WHICH DESIGNED | REFRIGERANT 12 3RD RESPONSE | | NOMINAL PIPE SIZE ACCOMMODATED | 0.250 INCHES 1ST END | | NOMINAL THREAD SIZE | 0.250 INCHES 1ST END | | OPENING PRESSURE SETTING | 100.0 POUNDS PER SQUARE INCH | | STYLE DESIGNATOR | STRAIGHT THRU | | THREAD DIRECTION | RIGHT-HAND 1ST END | | THREAD SERIES DESIGNATOR | NPT 1ST END | | VALVE OPERATION METHOD | AUTOMATIC |
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