... Drilling depth(M)80300 Drilling diameter(mm)1500500 Speed of turntable(r/min)21.2,36,63.2,100 ... .6,155,20.2(reverse) Torque of turntable(KN.m)18,10.6,6,3.8 ... MPa)20 BW850/2A plunger pump Diameter of cylinder (mm)150 Stroke of piston (mm)180Theory of flow (L / min)600 850Rated pressure ... (Mpa)3 2Pounding times (min-1)58 82 Diameter of ...