Zhangqiu Qunyi Machinery Co., Ltd.

Low Noise Pisitive Displacement Roots Blower, Low Noise Positive Displacement Blower, Low Noise Positive Displacement Air Blower manufacturer / supplier in China, offering Low Noise Positive Displacement Roots Blower for Sewage Treatment, Environmental Protection Fog Cannon, High Efficiency Energy Saving Roots Blower for Conveying and so on.

Supplier Homepage Product List QSR three lobe roots blower Low Noise Positive Displacement Roots Blower for Sewage Treatment

Low Noise Positive Displacement Roots Blower for Sewage Treatment

FOB Price:US $699 / Set
Min. Order (Set) FOB Price
1+ US $699 / Set
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Min. Order: 1 Set
Production Capacity: 200sets Per Month
Transport Package: Plywood or Iron Pacakge
Payment Terms: L/C, T/T, D/P, Western Union

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Basic Info.

Model NO.:QSR
Usage:for Manufacture
Flow Direction:Cross Flow
Pressure:Medium Pressure
Certification:CE, SGS, CCC
Flow Rate:0.5-180m3/Min
Specification:QSR50 - QSR400
HS Code:841459

Product Description

ZHANGQIU QUNYI MACHINERY CO.,LTD is a professional roots type air blower factory with 15 years experience.

we develop a series of air blower based QSR series roots air blower ,products export different overseas country like Singapore, Ethiopia,Tanzania, Philippine,Indonesia,Viet Nam ,Bangladesh ,Greece,Paraguay ,USA etc .our products are more and more acceptable to domestic & overseas clients owning to stable quality& excellent service etc

Below is our common QSR 50 small model,Low Noise Positive Displacement Roots Blower for Sweage Treatment

QSR50 three lobe roots blower is our basic air blower products. It has been in the market for many years. With breakthrought and innovation, it has a stable performance. Which appled for sewage treatment project, cement plant, power plant, pneumatic conveying system, fish farming etc. QSR series is equipped with famous brand accessories, such as GATES V-belts, NSK berings, TTO oil sealing etc. 


ItemRoots BlowerTypeThree Lobe Positive Displacement
Pressure9.8kpa - 58.8kpaFlow rate0.67m3/min - 2.48m3/min
Motor0.75kw - 4.0kwMotor brandCustomized
Voltage220V-380VFrequency50Hz / 60Hz
Drive typeBelt transmission or direct couplingCooling typeAir-cooled 


   1 positive displacement blower, no compression, air conveying is smooth, there is small flow rate changes 

       along with pressure changes.

   2 tri-lobe linear-shaped impeller making inlet and outlet pulsation quiet with low noise and vibration.

   3 special impeller of mesh curve and small enclosure making roots blower high efficiency, 

       low energy consumption.

   4 small size, light weight and elegant appearance.

   5 with high-precision synchronous hard-toothed surface gears ensure long life.

   6 much cleaner with no oil 


Main Blower          Electric motor        Suction Silencer        Discharge Silencer     Belt     Gear Oil          

Anti-vibration pad                     Belt Guard               Flexible Connector        Pulley         Check Valve 

Foundation Bolts                      Suction air filter                Common Base for blower and motor            

Pressure Relief Valve              Pressure Guage  are included.


Sewage water treatment  Aquaculture Pneumatic Conveying Pressurization  system      

Recirculation System; Cement and food supply; Biogas firing system;          

Desulphurization and ash removal in power plants;           Sewage disposal;                  

Tap water    Mining and metallurgy etc

More informations,pls check our website:www.qunyiblower.com

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Zhangqiu Qunyi Machinery Co., Ltd.

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