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National Stock Number:
4820-01-291-2365
Federal Supply Class:
4820
National Item Identification Number:
012912365
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:
| 19079-1 | 5RQL2 | DRS ENVIRONMENTAL SYSTEMS INC | | 19079-1 | 90598 | ENGINEERED AIR SYSTEMS INC. DBA DRS SUSTAINMENT SYSTEMS | | 288200-1 | 62894 | AUTOFLOW PRODUCTS CO | | 5-45-5165 | 81361 | EDGEWOOD CHEMICAL BIOLOGICAL CENTER ECBC |
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Techincal Specification:
| CONNECTION TYPE | THREADED INTERNAL PIPE ALL ENDS | | CONNECTION STYLE | PLAIN,OPTIONAL END(PIPE) ALL ENDS | | MAXIMUM OPERATING TEMP | 250.0 FAHRENHEIT SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | WATER, FRESH SINGLE RESPONSE | | NOMINAL THREAD SIZE | 0.500 INCHES ALL ENDS | | SPECIAL FEATURES | ALLOW FREE FLOW OF 23 GPM WHEN SYTEM PRESSURE EXCEEDS 260 PSIG (NORMAL--OPERATING PRESSURE IS 180 PSIG); RESET PRESSURE IS 220 PSIG; MANUAL PURGE CONTROL ON TOP OF VALVE; WORKING FLUID IS HOT WATER 95 PCT LIQUID 5 PCT VAPOR; CONSTRUCTION SUCH THAT NEITHER INTERIOR OR EXTERIOR OF VALVE IS ADVERSELY AFFECTED BY ALKALINE FLUIDS AND CHEMICALS; 3.12 IN. H; 1.25 IN. W; 2.0 IN. LG | | STYLE DESIGNATOR | ANGLE | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | THREAD SERIES DESIGNATOR | NPT ALL ENDS | | VALVE OPERATION METHOD | AUTOMATIC |
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