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National Stock Number:
4820-00-287-4087
Federal Supply Class:
4820
National Item Identification Number:
002874087
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:
| 1664 | 16497 | DRESSER, INC. | | 1664 | 38056 | ASHCROFT INC | | 1664SIZE1-860PSI | 38056 | ASHCROFT INC | | VAL920 | 93234 | WORTHINGTON COMPRESSORS INC AIR POWER AND CONSTRUCTION EQUIP DIV | | VAL920 | 93236 | DRESSER-RAND CO WORTHINGTON COMPRESSOR OPN A JOINT VENTURE |
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Techincal Specification:
| BONNET TYPE | INSIDE SPRING | | BONNET ATTACHMENT METHOD | THREADED | | CONNECTION TYPE | THREADED EXTERNAL PIPE FIRST END | | CONNECTION STYLE | PLAIN (PIPE) FIRST END | | DISK LOADING METHOD | SPRING | | FEATURES PROVIDED | VALVE STEM LOCK SHIELD | | FLOW CONTROL DEVICE | DISK | | OPENING PRESSURE SETTING | 60.0 POUNDS PER SQUARE INCH | | OPERATING PRESSURE | 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE | | MATERIAL | COPPER ALLOY BODY | | MATERIAL | COPPER ALLOY SEAT | | MATERIAL | COPPER ALLOY STEM | | MATERIAL | PLASTIC POLYAMIDE NYLON FLOW CONTROL DEVICE | | MAXIMUM OPERATING TEMP | 250.0 FAHRENHEIT SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | AIR FIRST RESPONSE | | MEDIA FOR WHICH DESIGNED | GAS, INERT SECOND RESPONSE | | NOMINAL PIPE SIZE ACCOMMODATED | 0.125 INCHES FIRST END | | NOMINAL THREAD SIZE | 0.125 INCHES FIRST END | | VALVE DISCHARGE FLOW RATE | 48.0 CUBIC FEET PER MINUTE | | VALVE OPERATION METHOD | AUTOMATIC OR MANUAL | | STYLE DESIGNATOR | ANGLE | | THREAD DIRECTION | RIGHT-HAND FIRST END | | THREAD SERIES DESIGNATOR | NPT FIRST END |
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