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Help center:

 1.Roots blower model selection.

            Pls advise us your required flow rate, air pressure, motor power,conveying medium, working temperature, the altitude, working environment, etc.

     For example:

Conveying Medium Clean air                 
Air pressure 40kPa                     
Flow rate 20m3/min 
Motor 4p-30kw, 380V, 50Hz   
Working temperature 20℃
Working environment  Indoor

 Blower Drawing.

          Exact CAD Drawing is available within 2 days accordingly. 

3.Export Package.

          Plywood crate or iron sheet& steel frame.

4. Delivery Time.

         1). HDSR, HDW series blower and pump: within 2 weeks
         2). HG series blower:40-50 days
         3). Water pump:within 1 month 


5. Payment Terms.

         T/T, L/C at sight, Western Union or negotiable 


       1) Q: How about the noise level?

                  A: Thanks to the technological innovation,Huadong blower's noise level is generally lower than other 

      2) Q: Is sound-proof enclosure availiable?

                A: Yes,we can customize the sound-proof enclosure for you.

     3) Q: What is the cooling method of the roots blowr?

                A: Generally we apply air cooling for blowers below 70kpa,if pressure exceed 70klpa,we will apply water 

     4) Q: How is roots blower supply ability?

                A: We can supply roots blower above 1000 sets/month.

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Rotary blower
Roots vacuum pump
Biogas blower
HDSR-MJ compact roots blower
HDL twin lobe roots blower
HG three lobe roots blower
HDLH three lobe roots blower
HDSR three lobe roots blower
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