Mud pump drilling bw250 is a kind of horizontal, triplex, single acting reciprocation piston pump. It can be applied to the geological exploration and engineering exploration of railways, water conservancy, metallurgy, construction, geology, foundation plugging, grouting, etc. The hole depth is within 1500m. Model  BW-250 Type  Hydraulic Mud Pump Stroke  70 Cylinder Diameter  75 Flow  69-250 L/min Pressure  2.5-9 Mpa …