According to the structure, it is divided into two-leaf Roots blower, three-leaf Roots blower, high-pressure Roots blower, two-pole series Roots blower, mechanical seal Roots blower, and special seal Roots blower.
Two blade Roots blower is a typical positive displacement fan.
Three blade Roots blower is an improved positive displacement blower.
High pressure Roots blower is a special form of Roots blower.
A bipolar series Roots blower is a device consisting of two or more standard Roots blowers connected in series.
The mechanical seal Roots blower is a three-blade Roots blower using special sealing technology.
Specially sealed Roots blowers are specially designed and improved models for specific application environments or media characteristics.