KSB 01019261 is a mechanical seal reference with the designation H7N/..-00 Q1Q1M1GG. The H7N design is a balanced pusher seal for stepped shafts with a rotating spring arrangement. The material code specifies sintered silicon carbide on both sealing faces (Q1/Q1), with PTFE-wrapped FKM secondary sealing elements (M1). The shaft diameter and installation dimensions must be confirmed against the pump before selecting a replacement. The corresponding KE MOTION HYDRO product reference is BV-1.
