Spring Loaded Safety Valve

Spring loaded safety valve, a valve-closing body, having at least one valve-closing-body joint, in which at least one first closing-body lever is rotatably mounted, said at least one first closing-body lever being rotatably connected through a further joint to a first support lever, said first support lever being rotatably mounted in at least one support-lever joint, wherein the further joint is a spring-loaded sliding joint; Said valve-closing body is movable along a plain-bearing axis;Said sliding joint is in operative connection with at least one spring, which, in a closing position of the valve-closing body, essentially exerts a preloading force, directed orthogonally to the plain-bearing axis, on the sliding joint for a closing movement of the safety valve; and wherein the at least one first closing-body lever, in the closing position of the valve-closing body, has a closing-body angle with the plain-bearing axis within an angular range of 25°-60°.