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National Stock Number:
4820-00-841-8600
Federal Supply Class:
4820
National Item Identification Number:
008418600
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:
| 289U | 22508 | FISHER CONTROLS CO INC |
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Techincal Specification:
| STYLE DESIGNATOR | STRAIGHT THRU | | VALVE OPERATION METHOD | AUTOMATIC | | MATERIAL | ALUMINUM ALLOY BODY | | ALUMINUM ALLOY FLOW CONTROL DEVICE | | ALUMINUM ALLOY SEAT | | SURFACE TREATMENT | ANODIZE | | FLOW CONTROL DEVICE | DISK | | CONNECTION TYPE | THREADED INTERNAL PIPE ALL ENDS | | CONNECTION STYLE | PLAIN,OPTIONAL END(PIPE) ALL ENDS | | NOMINAL PIPE SIZE ACCOMMODATED | 0.250 INCHES ALL ENDS | | THREAD SERIES DESIGNATOR | NPT ALL ENDS | | NOMINAL THREAD SIZE | 0.250 INCHES ALL ENDS | | THREAD QUANTITY PER INCH | 18 ALL ENDS | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | BONNET TYPE | INSIDE SPRING | | BONNET ATTACHMENT METHOD | BOLTED | | DISK LOADING METHOD | SPRING | | OPENING PRESSURE SETTING | 1.000 POUNDS PER SQUARE INCH | | FEATURES PROVIDED | VALVE STEM LOCK SHIELD AND | | PRESSURE TIGHT OUTLET SIDE | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 22508 | | DESIGN CONTROL REFERENCE | 289U |
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