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National Stock Number:
4820-00-287-2978
Federal Supply Class:
4820
National Item Identification Number:
002872978
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:
| MILV20065 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | TYA1CLC3-4 400-298T0354SBU | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG |
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Techincal Specification:
| ADJUSTABLE PRESSURE RANGE | +136.0 TO 169.0 POUNDS PER SQUARE INCH | | BONNET ATTACHMENT METHOD | UNION | | BONNET TYPE | EXPOSED SPRING | | CONNECTION STYLE | STREAMLINED WITH ONE BRAZING RING FIRST END | | CONNECTION TYPE | UNTHREADED INTERNAL PIPE FIRST END | | DISK LOADING METHOD | SPRING | | FLOW CONTROL DEVICE | POPPET | | OPERATING PRESSURE | 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE | | MATERIAL | COPPER ALLOY AND NICKEL ALLOY FLOW CONTROL DEVICE | | MATERIAL | COPPER ALLOY BODY | | MATERIAL | NICKEL ALLOY SEAT | | MATERIAL | NICKEL ALLOY STEM | | MEDIA FOR WHICH DESIGNED | AIR SINGLE RESPONSE | | NOMINAL PIPE SIZE ACCOMMODATED | 0.750 INCHES FIRST END | | NONDEFINITIVE SPEC/STD DATA | A1 TYPE AND C CLASS | | VALVE OPERATION METHOD | AUTOMATIC | | VALVE SIZE | 0.750 INCHES | | STYLE DESIGNATOR | ANGLE FLANGED ENDS |
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