RAPIDOOR quick-access closures are designed to lock and unlock in seconds. Closures are available in a variety of configurations to open from the top, bottom or side using vertical or horizontal slide systems, davit hinge and other styles. They can be used with virtually any type of cylinder, tank or vessel including autoclaves or other pressurized enclosures where quick access and a positive seal are desired. Features include wedge-lock, breech-action design that provides fast, safe and trouble-free opening and closing of access doors. WSF Industries, Inc. P.O. Box 400, Kenmore Branch Buffalo, NY, 14217