100S angle diaphragm type sludge discharge valve is a kind of angle diaphragm type globe valve. It is usually installed at the bottom of the sedimentation tank of a sewage treatment plant to remove sediment and dirt from the bottom of the tank. The inside of the valve is a nylon reinforced rubber diaphragm, and designed with an angular structure, which is conducive to the smooth removal of dirt, easy installation and long service life.