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		                        | National Stock Number:
 4820-00-730-7250
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 007307250
 
 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:
 
 | 30V70 | 05643 | BARBER-GREENE CO |  | 30V70 | 0MKW7 | MINNPAR, LLC |  | H1 | 1GT86 | THERMAL ENGINEERING INTERNATIONAL USA INC |  | H1 | 1MME1 | THERMAL ENGINEERING INTERNATIONAL (USA) INC. |  | 30V70 | 61790 | ASTEC INDUSTRIES INC | 
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 Techincal Specification:
 
 | STYLE DESIGNATOR | ANGLE FLANGED ENDS |  | VALVE OPERATION METHOD | AUTOMATIC |  | MATERIAL | STEEL OVERALL |  | FIRST CONNECTION FACE TO CENTERLINE DISTANCE | 7.000 INCHES |  | SECOND CONNECTION FACE TO CENTERLINE DISTANCE | 7.000 INCHES |  | VALVE SIZE | 3.000 INCHES |  | FLOW CONTROL DEVICE | DISK |  | CONNECTION TYPE | FLANGE 1ST END |  | FLANGE SHAPE | ROUND WITH HOLES 1ST END |  | NOMINAL OUTSIDE DIAMETER | 8.500 INCHES 1ST END |  | NOMINAL THICKNESS | 0.290 INCHES 1ST END |  | BOLT HOLE QUANTITY | 4 1ST END |  | BOLT HOLE NOMINAL DIAMETER | 0.740 INCHES 1ST END |  | BOLT CIRCLE NOMINAL DIAMETER | 7.000 INCHES 1ST END |  | FLANGE FACE DESIGN | PLAIN 1ST END | 
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