9221

Jul 17, 2015, 00:40 AM
MODEL NRBK 41, TOP LOADING CYLINDRICAL LEAD SHIELDED 304L STAINLESS STEEL CLAD CASKS FOR THE SHIPMENT OF IRRADIATED TEST SPECIMENS. THE CASK HAS AN OUTSIDE DIAMETER OF 27.16 INCHES AND IS 40 INCHES HIGH. THE OUTER SHELL IS 1/2-INCH THICK STAINLESS STEEL. THE CASK CAVITY IS 5 INCHES IN DIAMETER BY 16 INCHES DEEP AND IS PROVIDED WITH A BOTTOM DRAIN. THE CAVITY SHELL IS 1/4-INCH THICK STAINLESS STEEL AND IS SHIELDED BY 10 INCHES OF LEAD. THE CASK IS CLOSED BY A LEAD-FILLED FLANGED PLUG FITTED WITH AN ELASTOMETER O-RING GASKET AND BOLTED CLOSURE. THE CASK HAS A SEAL-WELDED, 1/4-INCH THICK, STAINLESS STEEL OUTER THERMAL SHIELD WHICH PROVIDES A 1/16-INCH AIR GAP BETWEEN THE OUTER SURFACE OF THE CASK OUTER SHELL AND THE INSIDE SURFACE OF THE THERMAL SHIELD. A ONE-INCH THICK STAINLESS STEEL PLATE IS WELDED TO THE BOTTOM OF THE CASK. A SECOND ONE-INCH THICK STAINLESS STEEL PLATE WITH A 1 /8-INCH DEEP, 25.5-INCH DIAMETER RECESS IS WELDED TO THE FIRST PLATE TO PROVIDE A THERMAL SHIELD FOR THE BOTTOM SURFACE OF THE CASK. THE CASK IS BOLTED TO A 48-INCH SQUARE, ALL WELDED, "I" BEAM SKID. GROSS WEIGHT OF THE PACKAGE IS APPROXIMATELY 9,000 POUNDS.
Certificate no:
USA/9221/B( )F
Package Type:
B
Historical Flag:
N
Doe Flag:
Y



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