5 Frymakoruma MK Page 1 of 1 12/10/2003 MK Corundum Stone Mill. Continuously adjustable grinding gap (fully automatic adjustment on request). Optimum adjustment to the required grinding finenesses. ... 7 Fryma Colloid Mill, Type MZ150D, Part Number M16919, 1995, 2 3/4 in inlet and outlet, 87 PSI maximum pressure, 40 in L x 21 in W x 23 in H. 8.