Hydratight DL Ricci’s provides a variety of portable grinding machines. The Oval Manway Seat Grinder restores corroded, pitted, abraded and leaking manway gasket seat surfaces. The Hand Hole Grinder works to repair exisitng, worn and leaking hand hole surfaces. The Tire Grinder is designed for in-place repair of worn or damaged rotary kiln tires, paper dryer tires, printing tires and more. The Trunnion Grinder (right) provides portable and flexible grinding for trunnions and other large rollers.