Custom manufacturer of briquetting machinery including laboratory briquetting amp compacting roll presses available in various models. Specifications of presses include 3.9 in. roll dia. 0 rpm to 7.5 rpm roll speed 5.6 tons maximum roll separating force throughput up to 55 lbs.hour 760 ft.lbs. maximum roll torque 1.5 in. roll width 1.34 in. x 0.7 in. x 0.48 in. briquette size amp 220 V 50 .