M72 Knife Gate Valves

Information contained in this manual is useful for operators, technicians, and engineers to gain a basic understanding of the use and application of manual and automated knife gate valves. There are many variations of knife gate valves that may exceed the scope of this manual and require special consultations with the manufacturer to determine the associated application requirements. The valves’ operational and design information is generic, and actual data from the intended valve manufacturer should be obtained before making the final selection of any type of knife gate valve and its options. This manual supplements information on the knife gate valves listed in ANSI/AWWA Standard C520 of latest edition: Knife Gate Valves, Sizes 2 in. (50 mm) Through 96 in. (2,400 mm).