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National Stock Number:
4820-00-446-3583
Federal Supply Class:
4820
National Item Identification Number:
004463583
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:
| 3205070 | 55380 | HATCH & KIRK, INC. | | 3205070 | 72915 | GENERAL MOTORS CORP ELECTRO-MOTIVE DIV |
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Techincal Specification:
| ADJUSTABLE PRESSURE RANGE | +401.0 TO 500.0 POUNDS PER SQUARE INCH | | BONNET ATTACHMENT METHOD | THREADED | | BONNET TYPE | INSIDE SPRING | | CONNECTION TYPE | THREADED EXTERNAL PIPE 1ST END | | CONNECTION STYLE | PLAIN (PIPE) 1ST END | | DISK LOADING METHOD | SPRING | | FLOW CONTROL DEVICE | DISK | | MATERIAL | COPPER ALLOY BODY | | MATERIAL | COPPER ALLOY FLOW CONTROL DEVICE | | MATERIAL | COPPER ALLOY STEM | | MATERIAL | NICKEL ALLOY SEAT | | MAXIMUM OPERATING PRESSURE | 500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | AIR 1ST RESPONSE | | MEDIA FOR WHICH DESIGNED | FUEL/OIL, HYDROCARBON 2ND RESPONSE | | NOMINAL PIPE SIZE ACCOMMODATED | 0.750 INCHES 1ST END | | NOMINAL THREAD SIZE | 0.750 INCHES 1ST END | | STYLE DESIGNATOR | STRAIGHT THRU | | THREAD DIRECTION | RIGHT-HAND 1ST END | | THREAD SERIES DESIGNATOR | NPT 1ST END | | VALVE OPERATION METHOD | AUTOMATIC |
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