The Ventil POLIR C12 is a complete solution for grinding and lapping valves with conical seats in the range 3″ – 12″.
The POLIR C12 is equipped with cones, alignment tool holder and abbrasives for valves with seat angles 30 / 40 / 60 / 75 / 90 degrees. The set includes all requires tools and materials and a 3-jaw chuck for clamping and aligning the electrical drive machine on the valve bonnet.