The horizontally rotatable shutter construction requires very little space in the lintel area, making it an alternative to conventional gate valve closures. The ECClos®-Q meets the requirements of the classifications EI 30 to EI 120 and EW 240 (gas concrete). The shutter blade is made in a very stable sandwich construction and completely enclosed by a sheet metal cover. The ECClos®-Q is suitable for continuous and separate conveyor systems, such as baggage belt conveyors. For continuous conveying techniques, the fixed field is customized and the surface can be designed according to customer requirements in various designs.