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National Stock Number:
4820-00-959-7300
Federal Supply Class:
4820
National Item Identification Number:
009597300
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:
| 1479 | 38056 | ASHCROFT INC | | 2478D OPEN LIFTING ARM | 38056 | ASHCROFT INC | | 3/4-2478D-XDA | 38056 | ASHCROFT INC |
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Techincal Specification:
| BONNET ATTACHMENT METHOD | THREADED | | BONNET TYPE | INSIDE SPRING | | CONNECTION TYPE | THREADED EXTERNAL PIPE 1ST ENDTHREADED INTERNAL PIPE 2ND END | | CONNECTION STYLE | PLAIN (PIPE) 1ST ENDPLAIN,OPTIONAL END(PIPE) 2ND END | | DISK LOADING METHOD | SPRING | | FEATURES PROVIDED | VALVE STEM LOCK SHIELD | | FLOW CONTROL DEVICE | DISK | | MATERIAL | COPPER ALLOY FLOW CONTROL DEVICE | | MATERIAL | COPPER ALLOY SEAT | | MATERIAL | COPPER ALLOY BODY | | MATERIAL | STEEL STEM | | MAXIMUM OPERATING TEMP | 406.0 FAHRENHEIT SINGLE RESPONSE | | MAXIMUM OPERATING PRESSURE | 300.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | WATER, FRESH SINGLE RESPONSE | | NOMINAL THREAD SIZE | 0.750 INCHES 2ND END | | NOMINAL THREAD SIZE | 1.000 INCHES 1ST END | | OPENING PRESSURE SETTING | 30.0 POUNDS PER SQUARE INCH | | STYLE DESIGNATOR | ANGLE | | THREAD DIRECTION | RIGHT-HAND 1ST END | | THREAD DIRECTION | RIGHT-HAND 2ND END | | THREAD QUANTITY PER INCH | 11-1/2 1ST END | | THREAD QUANTITY PER INCH | 14 2ND END | | THREAD SERIES DESIGNATOR | NPT 1ST END | | THREAD SERIES DESIGNATOR | NPT 2ND END | | VALVE DISCHARGE FLOW RATE | 10.7 GALLONS PER MINUTE | | VALVE OPERATION METHOD | AUTOMATIC OR MANUAL |
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