Knife gate valve, fixing element and method for mounting a gate valve

摘要

The invention relates to a slide valve for industrial plants, in particular for chemical and petrochemical plants. This slide valve comprises a slide rod which is movable in the axial direction, at least one slide plate for closing the slide valve and at least one pressing member. The pressing member is connected to the slide rod and presses the slide plate against a sealing seat. Furthermore, the plate slide comprises a spring element for acting on the pressure element with a release force and a fixing element, which is arranged on the slide rod for transmitting power between the slide rod and the spring element. The plate slide according to the invention comprises as fixing a fixing disc, which surrounds the slide rod and is positively connected to the slide rod.