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National Stock Number:
4820-00-961-8127
Federal Supply Class:
4820
National Item Identification Number:
009618127
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:
| P178-12 | 99251 | MISSION SYSTEMS DAVENPORT INC. |
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Techincal Specification:
| STYLE DESIGNATOR | STRAIGHT THRU | | VALVE OPERATION METHOD | AUTOMATIC | | MATERIAL | COPPER ALLOY BODY | | COPPER ALLOY FLOW CONTROL DEVICE | | COPPER ALLOY SEAT | | FLOW CONTROL DEVICE | DIAPHRAGM | | CONNECTION TYPE | THREADED EXTERNAL PIPE 1ST END | | CONNECTION STYLE | PLAIN (PIPE) 1ST END | | NOMINAL PIPE SIZE ACCOMMODATED | 0.250 INCHES 1ST END | | THREAD SERIES DESIGNATOR | NPT 1ST END | | NOMINAL THREAD SIZE | 0.250 INCHES 1ST END | | THREAD QUANTITY PER INCH | 18 1ST END | | THREAD DIRECTION | RIGHT-HAND 1ST END | | DISK LOADING METHOD | SPRING | | ADJUSTABLE PRESSURE RANGE | 60.0 TO 140.0 POUNDS PER SQUARE INCH | | FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 99251 | | DESIGN CONTROL REFERENCE | P178-12 |
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