Introduction MR3 is a particularly economic mechanical sel, highly valuable and with interchangeable componentsMR3 is used in a vast field of application with low maintenance costsMR3 offers shaft diameters from 10-40mm for common water pump manufacturersMR3 is common found in pumps such as lowara, and lots of water pumps. Materials Seat Face Material: SIC/CAR Rotary Face Material: SIC/CER Elastomer: FKM/NBR/EPDM D(mm)D1D2L1L2Total W.L1020.018.115.05.520.51222.020.618.05.523.51425.023.122.06.028.01529.026.922.07.029.01629.026.923.07.030.01729.026.923.07.030.01833.030.924.08.032.01933.030.925.08.033.02033.030.925.08.033.02138.035.425.08.033.02238.035.425.08.033.02338.035.427.08.035.02438.035.427.08.035.02540.038.227.08.535.52846.043.329.09.038.02946.043.330.09.039.03046.043.330.09.039.03246.043.330.09.039.03348.053.539.011.550.53550.053.539.011.550.53856.060.539.011.550.54058.060.539.011.550.5