I. Description
The PZ7 MUD 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. Technical specifications
Type | PZ7 MUD PUMP |
Input power rating (KW) | 410 (550HP) |
Rated pump speed (RPM) | 145 |
Stroke Length (mm) | 178 (7”) |
Gear ratio | 4.625 |
Rated speed of transmission shaft (RPM) | 670 |
Max. working pressure (Kg/sq.cm) | 352 (5000PSI) |
Valve size (API) | 7# |
Max. liner diameter (inch) | Φ7” |
Max. displacement (GPM) | 507 |
Max. liner pressure (Kg/sq.cm) | 118 (1673PSI) |
Diameter of suction pipe (mm) | 203 (8”) |
Diameter of discharge pipe (mm)) | 100 (4”) |
Overall dimensions | 3205*2250*2480mm |
Weight (ton) | 10.8T |
Weight ( lbs )( exclude five way joint and | 8300kg |
III. PZ7 MUD PUMP Performance Data
Dia. of Liner | IN | 7” | 6-1/2” | 6” | 5-1/2” | 5” | 4-1/2” | 4” |
Displacement | Gallon/Minute | 507 | 437 | 373 | 313 | 259 | 210 | 166 |
Liter/Minute | 1919 | 1654 | 1412 | 1185 | 980 | 795 | 628 | |
Discharge | PSI | 1673 | 1940 | 2277 | 2710 | 3279 | 4048 | 5000 |
(Kg/sq.cm) | 118 | 136 | 160 | 191 | 231 | 285 | 352 |