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		                        | National Stock Number:
 4820-00-833-6437
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 008336437
 
 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:
 
 | 30A | 79227 | WATTS REGULATOR CO | 
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 Techincal Specification:
 
 | ADJUSTABLE PRESSURE RANGE | +50.0/+150.0 POUNDS PER SQUARE INCH |  | BONNET ATTACHMENT METHOD | INTEGRAL |  | BONNET TYPE | INSIDE SPRING |  | CONNECTION STYLE | PLAIN (PIPE) 2ND END |  | CONNECTION STYLE | PLAIN,OPTIONAL END(PIPE) 1ST END |  | CONNECTION TYPE | THREADED EXTERNAL PIPE 2ND END |  | CONNECTION TYPE | THREADED INTERNAL PIPE 1ST END |  | DISK LOADING METHOD | SPRING |  | FEATURES PROVIDED | BONNET PACKING AND PRESSURE TIGHT OUTLET SIDE |  | FLOW CONTROL DEVICE | DISK |  | NOMINAL PIPE SIZE ACCOMMODATED | 0.750 INCHES 1ST END |  | NOMINAL PIPE SIZE ACCOMMODATED | 0.750 INCHES 2ND END |  | NOMINAL THREAD SIZE | 0.750 INCHES 1ST END |  | NOMINAL THREAD SIZE | 0.750 INCHES 2ND END |  | MATERIAL | COPPER ALLOY BODY |  | MATERIAL | COPPER ALLOY FLOW CONTROL DEVICE |  | MATERIAL | COPPER ALLOY STEM |  | SPECIAL FEATURES | DIAPHRAGM OPERATED |  | THREAD DIRECTION | RIGHT-HAND 2ND END |  | THREAD DIRECTION | RIGHT-HAND 1ST END |  | THREAD QUANTITY PER INCH | 14 1ST END |  | THREAD QUANTITY PER INCH | 14 2ND END |  | THREAD SERIES DESIGNATOR | NPT 2ND END |  | THREAD SERIES DESIGNATOR | NPT 1ST END |  | STYLE DESIGNATOR | ANGLE | 
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