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National Stock Number:
4820-00-814-1957
Federal Supply Class:
4820
National Item Identification Number:
008141957
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:
| 1535-1 | 38056 | ASHCROFT INC | | 1535-1SIZE1 1-2 | 03352 | RICHARDS R W CO |
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Techincal Specification:
| BONNET TYPE | INSIDE SPRING | | BONNET ATTACHMENT METHOD | THREADED | | CONNECTION STYLE | PLAIN,OPTIONAL END(PIPE) ALL ENDS | | CONNECTION TYPE | THREADED INTERNAL PIPE ALL ENDS | | DISK LOADING METHOD | SPRING | | FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE | | FLOW CONTROL DEVICE | DISK | | MATERIAL | COPPER ALLOY OVERALL | | MAXIMUM OPERATING TEMP | 200.0 FAHRENHEIT SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | WATER-OIL-GAS SINGLE RESPONSE | | NOMINAL PIPE SIZE ACCOMMODATED | 1.500 INCHES ALL ENDS | | NOMINAL THREAD SIZE | 1.500 INCHES ALL ENDS | | OPENING PRESSURE SETTING | 750.0 POUNDS PER SQUARE INCH | | OPERATING PRESSURE | 4000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE | | VALVE DISCHARGE FLOW RATE | 314.0 GALLONS PER MINUTE | | VALVE OPERATION METHOD | AUTOMATIC | | STYLE DESIGNATOR | ANGLE | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | THREAD QUANTITY PER INCH | 11-1/2 ALL ENDS | | THREAD SERIES DESIGNATOR | NPT ALL ENDS |
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