DS-MP150 Diaphragm Mud pumps are manufactured from high grade quality materials and are widely used for high viscosity fluids, slurry, corrosive chemicals, drum fluid transfer, unloading fluids, for transfer & circulation of acids & chemicals. Air-Operated Double Diaphragm Pumps are the most reliable, durable and cost-efficient diaphragm pumps used in the drilling industry. DS-MP150 pumps' patented air valve gives you true non-stick, no-icing performance. This 2-inch double diaphragm pump offers larger ports for increased flow.