... It adopts the slurry parameter 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)18,10.6,6,3.8,2.5,18 ... .9(reverse) Single rope lifting capacity of windlass(KN)30 ... MPa)20 BW850/2A plunger pump Diameter of cylinder (mm)150 Stroke of piston (mm)180Theory of flow (L / min)600 850Rated ...