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National Stock Number: 4820-00-900-3800
Federal Supply Class: 4820
National Item Identification Number: 009003800
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:
| 1543-1-2INRNG12010130PSI | 16497 | DRESSER, INC. | | 1543-1-2INRNG120T0130PSI | 16497 | DRESSER, INC. | | 18217 | 12736 | CLAYTON MANUFACTURING COMPANY | | 1543-1-2INRNG120TO130PSI | 16497 | DRESSER, INC. | | 1543D | 16497 | DRESSER, INC. | | 1543D | 38056 | ASHCROFT INC |
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Techincal Specification:
| STYLE DESIGNATOR | ANGLE | | VALVE OPERATION METHOD | AUTOMATIC | | MATERIAL | IRON CAST BODY | | FLOW CONTROL DEVICE | DISK | | MAXIMUM OPERATING PRESSURE | 250.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | CONNECTION TYPE | THREADED EXTERNAL PIPE 1ST END | | THREADED INTERNAL PIPE 2ND END | | CONNECTION STYLE | PLAIN (PIPE) 1ST END | | PLAIN,OPTIONAL END(PIPE) 2ND END | | THREAD SERIES DESIGNATOR | NPT ALL ENDS | | NOMINAL THREAD SIZE | 0.750 INCHES 1ST END | | 0.500 INCHES 2ND END | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | BONNET TYPE | INSIDE SPRING | | BONNET ATTACHMENT METHOD | INTEGRAL | | DISK LOADING METHOD | SPRING | | OPENING PRESSURE SETTING | 125.0 POUNDS PER SQUARE INCH | | FURNISHED ITEMS AND QUANTITY | 1 LEVER |
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