steel single weathertight door; 2.Type BF,BY,CF,CY STEEL WEATHERTIGHT DOORTypeModel no.Thru hole size H*WDoor sheet size H*WHole cutting size on the wallDoor thicknessEnhancedB CLASSB CLASSB CLASSC CLASSAFAYShips length,metersShips length,metersLess than 80More than 80less than 80More than 80Less than 8080- 105150- 210210-300Less than 8080- 140140-300BFBYCFCY10501000*5001055*5551100*600 R801100* ...