DRILLING PISTON PUMP USED IN OILFIELD

QZ-9 Triplex Mud pump Model QZ-9 mud pump is a horizontal triplex single acting piston pump which is made by Qingzhou Petroleum Machinery Factory Co., Ltd utilizing American technology and API standards. QZ-9 SpecificationMaximum Input 1000 HP (746 kw) Stroke Length 9" (229 mm) Maximum RPM 130 RPM Gear Ratio 4.48:1 Jack Shaft Speed 582 RPM Piston Load 101,550 lbs. (36,062 kg) Weight 44,052 lbs. (20,000 kg) QZ-9 Performance data Liner DiameterDisplacementMax PressureInchmm/Gal/rev/L/rev/Gal/min/L/S/2PSIMPa71784.5017.0358536.92,63918.26.51653.8814.6950431.83,06021.16.251593.5913.5946629.43,31022.861523.3012.4943027.13,59224.85.51402.7810.5236122.84,27429.551272.298.6729818.85,00034.54.51141.867.0424215.35,00034.541021.475.5619112.15,00034.5 Ratings are based on 90% mechanical efficiency and 100% volumetric efficiency.QZ-9 Mud pump mostly design features Pump case are welded castings steel and steel plates. Crankshaft bearings are double-row spherical roller bearings. Double extended Jackshaft carried on heavy-duty straight roller bearings.Connecting rod tip are fitted with roller bearings. Wrist pin end carried on double row long cylindrical roller bearing. Replaceable bronze crosshead slides. Main gears are machined to herringbone gear. Lubrication system is the combination of forced lubrication and splash lubrication. Valves are API 7# valves seats. Discharge connections can be made on either side of pump. Suction connections at the center of the cylinder manifold