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		                        | National Stock Number:
 4820-00-446-3695
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 004463695
 
 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:
 
 | 3-1394CPC69 | 0EXU3 | AQUA-CHEM, INC. |  | 3-1394CPC69 | 12793 | AQUA-CHEM INC CLEAVER-BROOKS DIV |  | 3-1394DPC69 | 0EXU3 | AQUA-CHEM, INC. |  | 3-1856A1PC67 | 0EXU3 | AQUA-CHEM, INC. |  | 3-1856A1PC67 | 12793 | AQUA-CHEM INC CLEAVER-BROOKS DIV |  | 3-1394DPC69 | 12793 | AQUA-CHEM INC CLEAVER-BROOKS DIV |  | 3-1856APC67 | 0EXU3 | AQUA-CHEM, INC. |  | 3-1856BPC67 | 0EXU3 | AQUA-CHEM, INC. |  | 904185 | 0EXU3 | AQUA-CHEM, INC. |  | E3-2152APC67 | 0EXU3 | AQUA-CHEM, INC. |  | E3-2152APC67 | 12793 | AQUA-CHEM INC CLEAVER-BROOKS DIV |  | 904185 | 12793 | AQUA-CHEM INC CLEAVER-BROOKS DIV |  | 3-1856BPC67 | 12793 | AQUA-CHEM INC CLEAVER-BROOKS DIV |  | 3-1856APC67 | 12793 | AQUA-CHEM INC CLEAVER-BROOKS DIV |  | E3-2152BPC67 | 0EXU3 | AQUA-CHEM, INC. |  | E3-2152BPC67 | 12793 | AQUA-CHEM INC CLEAVER-BROOKS DIV | 
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 Techincal Specification:
 
 | STYLE DESIGNATOR | ANGLE |  | VALVE OPERATION METHOD | AUTOMATIC |  | MATERIAL | COPPER ALLOY OVERALL |  | FLOW CONTROL DEVICE | DISK |  | MEDIA FOR WHICH DESIGNED | WATER-OIL-GAS SINGLE RESPONSE |  | MAXIMUM OPERATING PRESSURE | 300.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |  | MAXIMUM OPERATING TEMP | 406.0 DEG FAHRENHEIT SINGLE RESPONSE |  | CONNECTION TYPE | THREADED INTERNAL PIPE ALL ENDS |  | CONNECTION STYLE | PLAIN,OPTIONAL END(PIPE) ALL ENDS |  | NOMINAL PIPE SIZE ACCOMMODATED | 0.500 INCHES ALL ENDS |  | THREAD SERIES DESIGNATOR | NPT ALL ENDS |  | NOMINAL THREAD SIZE | 0.500 INCHES ALL ENDS |  | THREAD DIRECTION | RIGHT-HAND ALL ENDS |  | BONNET TYPE | INSIDE SPRING |  | BONNET ATTACHMENT METHOD | THREADED |  | DISK LOADING METHOD | SPRING |  | ADJUSTABLE PRESSURE RANGE | 126.0 TO 150.0 POUNDS PER SQUARE INCH |  | FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE | 
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