QZ3NB-90 drilling mud pump is the pump that the Qingzhou Petroleum Machinery Factory research to manufacture. Design characteristics are an optimization parameter, increased the stroke properly, lowered the speed reasonably, improved the suction capability of the pump, prolonged the service life of wearing parts. The pump used for oil-field and other industrial and mining establishments; Used for the drill, well workover and transporting the liquid media. The series pumps are manufactured according to SY5138 of the petroleum industry standard strictly and carry through factory's experiment according to the standard.


QZ3NB series include QZ3NB-22, QZ3NB-37, QZ3NB-75, QZ3NB-90, QZ3NB-150, QZ3NB-220, QZ3NB-350, QZ3NB-500, QZ3NB-650, QZ3NB-800, QZ3NB-1000, QZ3NB-1300, QZ3NB-1600, QZ3NB-1600H, QZ3NB-2200, QZ3NB-2200H. This series of drilling mud pump combined the advantages of home and abroad drilling mud pumps. The structure has the special features only, The usage is dependable, and the function is good. Come to advanced world standard of 90’s and 20centuries; is oil-field and the industrial and mining establishments choose to use first the drilling mud pump nowadays at home and abroad. QZ3NB series of drillling mud pumps is advanced at structure, revolve steady, weight light, the small volume, low speed, long stroke; Have the well imbedibility; wearing parts of long service life.