... High volume and anti-heat efficiency, so it is energy-saving. The blower rotor adopted the advanced Composite curve, the meshing ... : HT200, Impeller Material: QT500-7.13. Widely used in many fields, especially in gas transportation, waste water treatment, aquaculture, pneumatic transport, ... BaseBlower PulleyMotor PulleyV-belt CoverV-beltLubricating oil Series ZR Large-Size High-Pressure Roots Blower