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National Stock Number:
4820-01-134-3834
Federal Supply Class:
4820
National Item Identification Number:
011343834
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-12D-125 | 91816 | CIRCOR AEROSPACE, INC. | | GV500HW12C125D | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END | | CONNECTION STYLE | FLARED (TUBE) 1ST END | | FURNISHED ITEMS AND QUANTITY | 1 DEFLECTOR CAP | | FLOW CONTROL DEVICE | POPPET | | MATERIAL DOCUMENT AND CLASSIFICATION | AISI 303 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 303 OVERALL | | MAXIMUM OPERATING TEMP | 280.0 FAHRENHEIT SINGLE RESPONSE | | MAXIMUM OPERATING PRESSURE | 200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | AIR 1ST RESPONSEALCOHOL, ETHYL 2ND RESPONSEAMMONIA, GASEOUS 3RD RESPONSEFUEL/OIL, HYDROCARBON 4TH RESPONSEHELIUM 5TH RESPONSE | | NOMINAL THREAD SIZE | 1.062 INCHES 1ST END | | OPENING PRESSURE SETTING | 125.0 POUNDS PER SQUARE INCH | | SEAT ANGLE | 37.0 DEGREES 1ST END | | STYLE DESIGNATOR | STRAIGHT THRU | | THREAD DIRECTION | RIGHT-HAND 1ST END | | THREAD CLASS | 3A 1ST END | | THREAD SERIES DESIGNATOR | UNJ 1ST END | | THREAD QUANTITY PER INCH | 12 1ST END | | VALVE OPERATION METHOD | AUTOMATIC |
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