Patent ID: 7882836

Claim:
A diaphragm valve for a respirator, the diaphragm valve comprising: a valve housing with a valve chamber ending in a valve seat; a gas feed line leading in said valve housing; a gas outlet line leading out of said valve chamber; a valve body spanning over said valve chamber and disposed to close said valve seat and interrupting the flow of gas from the gas feed line into the gas outlet line, said valve body forming a control chamber within said valve housing, separated from said valve chamber; a closing cover closing a cylindrical control chamber end of said valve housing, said closing cover having a cylindrical wall section; and a cylindrical, flexible sealing washer connected with said valve housing in one piece, said cylindrical, flexible sealing washer being provided at a control chamber end of said valve housing, said cylindrical wall section of said closing cover having a wall section portion inserted into said sealing washer with a press fit, wherein a snap-in connection fixing said closing cover is present between said closing cover and said valve housing, said snap-in connection comprising a bead-like locking cam at the valve housing and a locking ring at the closing cover, said locking ring being held by said locking cam.