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This crude oil transfer rotary lobe pump adopts solid metal rotors to resist wear caused by solid impurities inside crude oil. The pump chamber has large flow passage, not easy to block when transporting crude oil containing sand and sediment. It can maintain stable flow under low-speed operation, suitable for long-distance pipeline transfer and tank suction & unloading. It can handle media with wide viscosity range and adapt to variable working conditions of oil storage and transportation.
Flow （m³/h）
Pressure range（MPa）
Self-priming height（m）
Viscosity range（cp）
Heavy oil rotary lobe pump is a positive displacement cam rotor pump specially designed for high-viscosity heavy oil and crude oil transportation. Driven by synchronous timing gears, the metal rotors rotate oppositely. Equipped with heating jacket option, it can reduce medium viscosity by heating, realizing stable delivery of viscous crude oil, heavy oil and oil sludge. It features strong self-priming, low shear, low flow pulsation and reversible pumping direction. Modular design enables easy disassembly and on-site maintenance. Widely applied in oilfield, tank farm, oil refinery and petroleum chemical industry.
1. Strong self-priming capacity, no need pre-filling liquid before startup.
2. Optional heating jacket design to heat medium and reduce viscosity.
3. Solid metal rotors, excellent wear resistance for crude oil with sand.
4. Large flow passage, anti-clogging for crude oil with sediments.
5. Low shear & low pulsation, stable flow rate at low speed.
6. Reversible flow, realize medium forward & reverse conveying.
7. Modular construction, simple disassembly and maintenance.
8. Wide viscosity adaptability, suitable for different heavy crude oil.
Performance Parameters:
| Performance | Parameter Range |
| Flow range | 1 ~ 1500 m³/h |
| Pressure range | 0 ~ 1.6 MPa |
| Viscosity range | ≤100000 cp |
| Self-priming height | up to 8m |
| Medium temperature | -20℃ ~ 200℃ (with jacket) |
| Rotor material |
Rubber Lobe：NBR/FKM/EPDM Metal Lobe：CS/SS304/SS316/220 |
| Pump casing material | cast iron / stainless steel |
| Seal type | mechanical seal |
| Drive mode | motor + reducer |
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