1.Maximum Input: 1000HP (746 kw)
2.Gear Ration: 4.48:1
3.Jack Shaft Speed: 582 RPM
4.Piston Load: 101.550 lbs. (36.062 kg)
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 Specification
Maximum 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 Diameter | Displacement | Max Pressure | |||||
Inch | mm | Gal/rev | L/rev | Gal/min | L/S | PSI | MPa |
7 | 178 | 4.50 | 17.03 | 585 | 36.9 | 2,639 | 18.2 |
6.5 | 165 | 3.88 | 14.69 | 504 | 31.8 | 3,060 | 21.1 |
6.25 | 159 | 3.59 | 13.59 | 466 | 29.4 | 3,310 | 22.8 |
6 | 152 | 3.30 | 12.49 | 430 | 27.1 | 3,592 | 24.8 |
5.5 | 140 | 2.78 | 10.52 | 361 | 22.8 | 4,274 | 29.5 |
5 | 127 | 2.29 | 8.67 | 298 | 18.8 | 5,000 | 34.5 |
4.5 | 114 | 1.86 | 7.04 | 242 | 15.3 | 5,000 | 34.5 |
4 | 102 | 1.47 | 5.56 | 191 | 12.1 | 5,000 | 34.5 |
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
Standard equipment
• Heat-treated alloy steel, interchangeable fluid cylinders.
• Threaded valve covers.
• Plated piston rods.
• Complete piston washing and lubrication system
• Discharge pulsation dampener.
• Individual suction and discharge manifolds.
Optional Equipment
• Large steel skid with non-skid decking.
• Centrifugal suction charging pump.
• Rubber valve inserts.
• External electric powered lube pump.
• Top electric motor mounts.
• Belt-driven centrifugal suction charging pump.
• Electric-driven centrifugal charging pump.
