QZ3NB—650 Drilling Mud Pump
The QZ3NB-650 drilling mud pump is a drilling mud pump developed by Qingzhou Petroleum Machinery Factory; the design feature is that the parameters are preferred, the stroke is appropriately increased, the number of rushes is reasonably reduced, the inhalation performance of the pump is improved, and the life of the vulnerable parts is prolonged. The pump is mainly used in oilfields and other industrial and mining enterprises; it is used for drilling, well repairing and long-distance conveying liquid medium; mainly equipped with type 15 drilling rigs.
This series of pumps is produced in strict accordance with the SY5138 standard of the Ministry of Petroleum Industry, and the factory test is carried out according to the standards.
QZ3NB—650 Drilling Mud Pump
The SL3NB-650 Mud pump is researched and manufactured by qingzhou petroleum machinery factory. The design characteristic is It can increase the stroke properly, Prolong the life of the wearing parts. The pumps are used for Oil-field, other industrial and mining Establishments and for the oil drilling, well work over. They are maintained on 1500M Rig.
The Series Pump Produces According to SY5138 of the Petroleum Industry Standards experiment according to the standard
QZ3NB—650 Drilling Mud Pump Technical Parameter
| type type | Triplex Single Acting Piston Pump | stroke length stroke length: | 203 mm |
| Rated Power Rated Power | 650hp (485kw) | Suction Inlet | Φ254 mm |
| Rated speed Rated speed | 150 SPM | Discharge pipe diameter Discharge outlet | Φ83 mm |
| Gear Ratio Gear Ratio | 4.07 | Weight Weights | 13600 kg |
Mechanical efficiency is 90% volumetric efficiency is 100%
| Pump speed pump speed (SPM) | LINER SIZE (mm) | |||||||
| 110 | 120 | 130 | 140 | 150 | 160 | 170 | 180 | |
| Theoretical Displacement (L/s) | ||||||||
| 150 | 14.5 | 17.2 | 20.2 | 23.4 | 26.9 | 30.6 | 34.6 | 38.8 |
| 130 | 12.6 | 14.9 | 17.5 | 20.3 | 23.3 | 26.5 | 30 | 33.6 |
| 110 | 10.6 | 12.6 | 14.8 | 17.2 | 19.7 | 22.4 | 25.4 | 28.5 |
| Rated pressure MPA pressure rating | 30 | 25.5 | 21.6 | 18.6 | 16.2 | 14.2 | 12.6 | 11.2 |
Based on 90% Mechanical Efficiency and 100% Volumetric Efficiency.