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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.

QZ3NB 150‘s specifications are as follows:
Model: QZ3NB-150
Type : Triplex Single Acting Piston pump
Rated power : 150hp(110kw)
Rated speed: 125 SPM
Suction Inlet: Φ200 mm
Discharge Outlet: Φ76 mm
Weights : 6800 Kg

QZ3NB 220‘s specifications are as follows:
Model: QZ3NB-220
Type : Triplex Single Acting Piston pump
Rated power : 220hp(160kw)
Rated speed : 130 SPM
Suction Inlet : Φ200 mm
Discharge Outlet: Φ76 mm
Weights : 7600 Kg