Saunders DB065A1 KB065AA Replacement Diaphragm

Saunders DB065A1 KB065AA is a 2.5-inch replacement diaphragm designed for use with Saunders KB-type diaphragm valves. The designations DB065A1 and KB065AA identify this part as the direct replacement within Saunders’ KB diaphragm range, sized to fit a 2.5-inch diaphragm application in the KB-series valve bodies. In the context of maintenance for Saunders KB valves, this diaphragm serves to replace worn or failed diaphragms, helping restore the valve’s sealing function and reliable actuation. DB065A1/KB065AA appears among references that group 2.5-inch diaphragms in Saunders’ KB diaphragm range, indicating a specific diameter option within the KB family. Proper installation and seating are essential when replacing a KB diaphragm, as described in Saunders' literature, to ensure reliable shut-off and consistent valve performance. The part is listed in supplier catalogs and product pages as the 2.5-inch KB diaphragm component associated with the DB065A1/KB065AA designations, reflecting Saunders’ standardized spare-parts approach for the KB family of valves.