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		                             National Stock Number: 4820-01-315-6635
  Federal Supply Class: 4820
  National Item Identification Number: 013156635
  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:
 | FIG 426 1-1/4IN | 63686 | THE WALWORTH COMPANY |  | FIG 426 1-1/4IN | 90664 | WALWORTH CO MARINE DIV |   
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  Techincal Specification:
 | MATERIAL | COPPER ALLOY BODY |   | NICKEL ALLOY FLOW CONTROL DEVICE |  | STYLE DESIGNATOR | STRAIGHT THRU |  | FLOW CONTROL DEVICE | DISK |  | MEDIA FOR WHICH DESIGNED | STEAM 1ST RESPONSE |   | WATER-OIL-GAS 2ND RESPONSE |  | MAXIMUM OPERATING PRESSURE | 200.0 POUNDS PER SQUARE INCH 1ST RESPONSE |   | 400.0 POUNDS PER SQUARE INCH 2ND RESPONSE |  | VALVE OPERATION METHOD | AUTOMATIC |  | CONNECTION TYPE | UNTHREADED INTERNAL PIPE ALL ENDS |  | CONNECTION STYLE | SOCKET WITH BRAZING RING (PIPE) ALL ENDS |  | NOMINAL PIPE SIZE ACCOMMODATED | 1.250 INCHES ALL ENDS |  | MOUNTING POSITION | HORIZONTAL OR |   | VERTICAL |   
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