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National Stock Number:
4820-00-005-4964
Federal Supply Class:
4820
National Item Identification Number:
000054964
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:
| 3978-5 | 22501 | HOWELL LABORATORIES INC | | 3978-5-33-0 | 22501 | HOWELL LABORATORIES INC |
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Techincal Specification:
| ADJUSTABLE PRESSURE RANGE | +25.0 TO 75.0 POUNDS PER SQUARE INCH | | CONNECTION TYPE | THREADED EXTERNAL BOSS FIRST END | | CONNECTION STYLE | EXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END | | FLOW CONTROL DEVICE | DISK | | MATERIAL | ALUMINUM ALLOY OVERALL | | NOMINAL THREAD SIZE | 0.562 INCHES FIRST END | | OPENING PRESSURE SETTING | 33.0 POUNDS PER SQUARE INCH | | STYLE DESIGNATOR | STRAIGHT THRU | | THREAD CLASS | 3A FIRST END | | THREAD DIRECTION | RIGHT-HAND FIRST END | | THREAD SERIES DESIGNATOR | UNF FIRST END | | VALVE OPERATION METHOD | AUTOMATIC |
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