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National Stock Number:
4820-01-412-3900
Federal Supply Class:
4820
National Item Identification Number:
014123900
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:
| 559B-2M-90 | 91816 | CIRCOR AEROSPACE, INC. | | GV500AC2-90 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| CONNECTION TYPE | THREADED EXTERNAL PIPE ALL ENDS | | CONNECTION STYLE | PLAIN (PIPE) ALL ENDS | | DISK LOADING METHOD | SPRING | | MATERIAL | COPPER ALLOY BODY | | MATERIAL | RUBBER PACKING | | MAXIMUM OPERATING TEMP | 121.0 CELSIUS SINGLE RESPONSE | | NOMINAL THREAD SIZE | 0.250 INCHES ALL ENDS | | OPENING PRESSURE SETTING | 90.0 POUNDS PER SQUARE INCH | | STYLE DESIGNATOR | STRAIGHT THRU | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | THREAD SERIES DESIGNATOR | NPT ALL ENDS | | VALVE OPERATION METHOD | AUTOMATIC |
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