... 3.the hardness is HRC62 4.Disc Grinding Machine EDW Disc Grinding Machine, Sand Mill, Wet Grinding Mill, Particle Horizontal ... is less 4kgs,successfully avoids the leaking problem2. ELE machine use dynamic fence booms discharge,solve the traditional problems, ... bear more than 10bar pressure4, screw structure inside cooling jacket increase cooling area and improve cooling efficiency5, grinding beads ...