Patent ID: 7284572

Claim:
A valve for diaphragm pumps, comprising a valve plate ( 8 ), having a plate-shaped closing body ( 9 ) and lateral valve connecting pieces ( 10 ) connected to the closing body having anchor elements ( 11 ) which form holding devices ( 11 ) located on ends thereof for holding in or on a valve housing, a valve seat ( 15 ), and a valve chamber bounded by a valve housing, with the valve plate being held by a positive fit at edges thereof, the valve plate ( 8 ) is preset under tension elastically acting in a plane of the valve plate in an installation position between outer edge holding devices, a holding device belonging to the valve is provided for the valve plate that includes receptacles for the anchor elements ( 11 ) of the valve plate ( 8 ) and a distance (a) between the anchor element receptacles is greater than a distance (b) between the anchor elements ( 11 ) of the valve plate, wherein the anchor elements ( 11 ) are not in direct contact with each other ( 8 ) in a non-tensioned position of the valve plate.