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		                        | National Stock Number:
 4820-00-722-8993
 
 Federal Supply Class:
 4820
 
 National Item Identification Number:
 007228993
 
 Description:
 VALVE,CHECK
 
 Detail:
 A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.
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 Manufacturer Information:
 
 | 4905F | 04537 | ATWOOD & MORRILL CO. INC. DBA WEIR VALVES AND CONTROLS USA | 
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 Techincal Specification:
 
 | MATERIAL | COBALT ALLOY BODY LINING |  | STYLE DESIGNATOR | STRAIGHT THRU |  | FLOW CONTROL DEVICE | DISK |  | MEDIA FOR WHICH DESIGNED | WATER, FRESH SINGLE RESPONSE |  | MAXIMUM OPERATING PRESSURE | 2500.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |  | VALVE OPERATION METHOD | AUTOMATIC |  | CONNECTION TYPE | BUTT WELD PIPE 1ST END |  | CONNECTION STYLE | BEVELED (PIPE) 1ST END |  | NOMINAL PIPE SIZE ACCOMMODATED | 2.000 INCHES 1ST END |  | MOUNTING POSITION | HORIZONTAL |  | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | SELECTED AND TESTED FOR NUCLEAR PROPULSION PLANT SYSTEMS |  | CRITICALITY CODE JUSTIFICATION | ZZZY |  | THE MANUFACTURERS DATA |  |  | MANUFACTURERS CODE | 04537 |  | DESIGN CONTROL REFERENCE | 4905F | 
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