(2) pump efficiency, energy-saving effect, low maintenance costs. Because screw workload stable,gas transfer pump , small mechanical losses, pump efficiency up to 90%, machinery and production equipment in the existing minimum energy consumption, one of the most efficient models.
(3) small footprint. Ground screw device is simple and easy to install.
(4) for heavy oil recovery. In general,gas station dispensers , screw suitable viscosity for 8000mPa · S less crude oil, and therefore the majority of heavy oil can be applied.
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