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 |
IV. PZ7 MUD PUMPS EXPENDABLES
GARDNER DENVER MUD PUMPS EXPENDABLES
7×7 PY-7
| PY-7 | PART NO. | PART NO. | PART NO. | |
| Liners & Liner PACKING | Gaskets | |||
| SIZES | LINER | LINER PACKING | Valve Cover Gasket | LAG-0749 |
| 4” | LA-1192-40 | LAG-0692 | Cylinder Head Gasket | LAG-0749 |
| 4½” | LA-1192-44 | LAG-0692 | ||
| 5” | LA-1192-50 | LAG-0692 | ||
| 5½” | LA-1192-54 | LAG-0692 | ||
| 6” | LA-1192-60 | LAG-0692 | ||
| 6¼” | LA-1192-62 | LAG-0692 | ||
| 6½” | LA-1192-64 | LAG-0692 | ||
| 6¾” | LA-1192-66 | LAG-0692 | ||
| 7” | LA-1192-70 | LAG-0692 | ||
| SERIES | LA-4 WEB | LA-FULL OPEN | LA-ROUGHNECK |
| VALVE (Urethane Insert) | LA-U5B-05 | LA-5FO-V1 | LA-RN7-V7 |
| VALVE (Rubber Insert) | LA-5B-05 | N/A | N/A |
| VALVE SEAT | LA-5DD-B1 | LA-5FO-S3 | LA-RN7-S7 |
| VALVE SPRING | LA-5710-111 | LA-5710-30 | LA-5710-110 |
| VALVE INSERT (Red Thunder) | LA-UDD-5B | LA-5FO-SI | N/A |
| VALVE INSERT (Urethane) | LA-DD-5B | N/A | LA-RN7-I |
| VALVE INSERT (Rubber) | LA-1700-5 | LA-5-PH | N/A |
| VALVE SEAT PULLER HEAD | LA-1700-7 | LA-1700- 5FO | LA-1700-7FO |
| Piston Size | Bonded Pistons | Imperial Piston | Imperial Rubber Kits | Rubber Bonded | Long Life (Urethane) |
| 4” | LA-RT-400 | LA-I40HK14/15 | LA-I40HK | LA-RB-400 | LA-LL-400 |
| 4½” | LA-RT-440 | LA-I44HK14/15 | LA-I44HK | LA-RB-440 | LA-LL-440 |
| 5” | LA-RT-500 | LA-I50HB14/15 | LA-I50HB | LA-RB-500 | LA-LL-500 |
| 5½” | LA-RT-540 | LA-I54HB14/15 | LA-I54HB | LA-RB-540 | LA-LL-540 |
| 6” | LA-RT-600 | LA-I60HB14/15 | LA-I60HB | LA-RB-600 | LA-LL-600 |
| 6½” | LA-RT-740 | LA-I64HL14/15 | LA-I64HL | LA-RB-640 | LA-LL-640 |
| 7” | LA-RT-700 | LA-I70HL14/15 | LA-I70HL | LA-RB-700 | LA-LL-700 |
| *1/4 Size are available upon request | |||||
| RODS | CLAMP TYPE | THREAD TYPE |
| PISTON ROD | LA-0192 | LA-0196 |
| SUB ROD | N/A | N/A |
| EXTENSION ROD | LA-16-0205 | LA-16-0196 |
| ROD CLAMP | LA-24-0191 | N/A |
| PISTON ROD NUT | LA-7403364 | LA-7403364 |
