Patent ID: 8534309

Claim:
A gate valve which is adapted to traverse a flow path between an open and a closed position which comprises: a gate valve body having a first wall element and a second wall element, said first wall element and said second wall element defining a space therebetween, said first and second wall elements containing an edge part which provides a support surface for the first and second wall elements of the gate valve body, at least one stopper element disposed between the first wall element and the second wall element, a gate element movable within said gate valve body between the open and closed position, wherein the edge part defines a channel space containing at least one aperture which communicates with the space between the first and second wall elements and means for conducting a medium into said channel space, and wherein the first and second wall elements are compressed against the edge part by clamping means so that the edge part is pressed in between the first and second wall elements.