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		                        | National Stock Number:
 4820-01-211-7009
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 012117009
 
 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:
 
 | 532B-4MP-40 | 91816 | CIRCOR AEROSPACE, INC. | 
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 Techincal Specification:
 
 | STYLE DESIGNATOR | STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY. |  | VALVE OPERATION METHOD | AUTOMATIC |  | MATERIAL | COPPER ALLOY BODY |  |  | RUBBER PACKING |  | FLOW CONTROL DEVICE | DISK |  | CONNECTION TYPE | THREADED INTERNAL PIPE 1ST END |  |  | THREADED EXTERNAL PIPE 2ND END |  | CONNECTION STYLE | PLAIN,OPTIONAL END(PIPE) 1ST END |  |  | PLAIN (PIPE) 2ND END |  | THREAD SERIES DESIGNATOR | NPT ALL ENDS |  | NOMINAL THREAD SIZE | 0.500 INCHES ALL ENDS |  | THREAD DIRECTION | RIGHT-HAND ALL ENDS |  | DISK LOADING METHOD | SPRING |  | ADJUSTABLE PRESSURE RANGE | 25.0 TO 75.0 POUNDS PER SQUARE INCH | 
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