Valve Lapping and Grinding Equipment Dupill Group
Valve Lapping and Grinding Equipment The LarsLap valve lapping system comprises a number of basic models that cover virtually every type of valve, from 1/4quot; to 52quot; (8mm 1300 mm) in diameter. The patented LarsLap technology uses a mechanically driven system whereby the rotating drive head incorporates individually driven grinding wheels to perform the actual work of the seat grinding.