NSR-50
Aluminum Alloy
for Sewage Treatment
High Pressure
CE
1 Year
0.3-5.1kw
0.75-5.5 Kw
OEM,ODM
380V
0.4m3/Min~180m3/Min
Electric
1100 R/Min
Liongoal
with High Quality Wooden Box
100*90*50cm
China
Product Description
Roots blower is a positive displacement blower with impeller end face and front and rear end cover of the blower. The principle is a rotary compressor that uses two blade-shaped rotors to move relative to each other in the cylinder to compress and deliver gas.
This kind of blower is simple in structure and convenient to manufacture. It is widely used in aquaculture aeration, sewage treatment and aeration, cement conveying, and is more suitable for gas conveying and pressurizing systems in low pressure occasions, and can also be used as a vacuum pump.



Packing: each to be packed with a high quality carton box or wooden case as you request
the label "SOP" to be attached to each piece
customized label is acceptable
Shipment: express transportation, sea transportation, air transportation and land transportation etc
shipment within 15 working days after receipt of payment
it takes longer time for bulk orders or customized orders
Q1: What's the shipping/freight cost?
A1: It depends on the quantities and shipping methods, please contact us for accurate quotation.
Q2: What's the leading time?
A2: It takes 7 working days for those in stock, and takes 10-15 working days for those out of stock.
Q3: Can you produce special voltage ring blowers? such as 110V and 400V etc
A3: Yes, we can. Please contact us freely for more details.
Q4: How to choose the model?
A4: You need to tell us Air flow, operating pressure, operating mode(vacuum or pressure), motor voltage and frequency, and then we'll choose you the right one.
Q5: How to operate the blower?
A5: Connect with wire, and turn on the power, so you can use it directly, about the wiring method, we will tell you how to do according to your voltage, so at first , you need to tell us your voltage and phase,its important.
Q6: What is the material of your machine , is it oil free?
A6: Our machine is aluminum alloy, motor is 100% copper coil. of course, it's oil free.