I. PZ11 MUD PUMP Description
The optimized pump by DE ZHOU L&A PETROLEUM MACHINERY CO., LTD features pleasing shape, advanced design, reasonal structure, and high efficiency. At power end, pinion shaft and bull gear are both of hard teeth, wear-resistant and transmission stable. Main parts at power end and all parts of fluid end are exchangeable with similar pumps from the United States.
II. PZ11 MUD PUMP Technical specifications
| Type Parameter | PZ11 |
| Input power rating (KW) | 1193 (1600HP) |
| Rated pump speed (RPM) | 115 |
| Stroke Length (mm) | 279 (11”) |
| Gear ratio | 4.38：1 |
| Rated speed of transmission shaft (RPM) | 504 |
| Max. working pressure (Kg/sq.cm) | 352 (5000PSI) |
| Valve size (API) | 7# |
| Max. liner diameter (inch) | 7dia.” |
| Max. displacement (GPM) | 632 |
| Max. liner pressure (Kg/sq.cm) | 275 (3905PSI) |
| Diameter of suction pipe (mm) | 254 (10”) |
| Diameter of discharge pipe (mm) | 100 (4”) |
| Overall dimensions(mm) | 4380*2700*2700 |
| Weight without pulsation dampner and skid（lbs） | 39000 |
| Weight with pulsation dampner and skid（lbs） | 46000 |
III. PZ11 MUD PUMP Performance Data
| Dia. of Liner | IN | 7” | 6-1/2” | 6” | 5-1/2” |
| Gallon/Minute | 632 | 545 | 465 | 390 | |
| Displacement | Liter/Minute | 2392 | 2063 | 1760 | 1476 |
| Discharge | PSI | 3905 | 4529 | 5000 | 5000 |
| Pressure | (Kg/sq.cm) | 275 | 318 | 352 | 352 |
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