Roots Blower
HDSR three-lobe Roots blower is a new product automatically developed by our company on the basis of the advanced technical characteristics of various types of Roots blower at home and abroad. The development of the product uses advanced CAD laying design and advanced processing technology to ensure the performance of the blower, and has been widely used in the field of national economy: sewage treatment, flour, aquaculture, pneumatic conveying, electric power, cement and other industries. Products wide range of air volume, classification dense, high pressure, nearly 20 models, more than 100 kinds of specifications.
HDSR is our company's more mature Roots blower series products, exported to more than 80 countries and regions.
MODEL |
FLOW RATE(M3/MIN) |
PRESSURE RISE(MMAQ) |
MOTOR POWER(KW) |
HDLH50 |
0.15-2.92 |
1000-8000 |
0.55-7.5 |
HDLH65 |
1.09-5.17 |
1000-8000 |
0.65-11 |
HDLH80 |
1.28-8.64 |
1000-8000 |
1.5-15 |
HDLH100 |
2.74-13.36 |
1000-8000 |
2.2-22 |
HDLH125 |
5.65-24.66 |
1000-8000 |
3.5-37 |
HDLH150 |
9.61-31.84 |
1000-8000 |
4-55 |


Our Advantages
(1) Low noise level, low energy cost.
(2) Bottom static aeration, uniform aeration, applicable to high density shrimp and fish aquaculture, increase output and quality.
(3) Ensure higher DO content 6-8 ppm, accelerate oxidation of harmful chemicals at bottom of water, improve shrimp and fish living environment an d improve survival rates.
(4) Larger aeration quantity and deeper bottom aeration.
(5) Both whole set roots blower and bare shaft blower are available
(6) Our products have passed CE, EAC, and ATEX certification, and product quality is guaranteed.


Factory Environment
Shuangyi, founded in 1984, with factory in Dezhou city, Shandong province, China, has 4 plants for different products. We have been supplying Cooling tower, Fans, Water tank,etc to global market for more than 10 years.
FAQ
FAQ
1. Q: Are you Trading Company or Manufacturing Factory?
A: We are both manufacturer and trading company. We have our own factory for almost 40 years, and we have better service for overseas customers. Welcome to your inquiry!
2. Q: I am interested in your products, could I get sample for free?
A: We can supply a few pieces FREE samples if we have some in stock, and you only need to pay the freight cost. Welcome to send your inquiry for FREE samples!
3. Q: How about the Delivery time?
A: 7-15days after receiving the deposit based on the MOQ. Normally, 15-35days to finish the order for a 20ft container. Welcome to ask for the detailed delivery time according to your order quantity!
4. Q: How can you guarantee the product quality?
A: We have the quality control system ISO9001:2015, and it's been followed strictly. We also have the professional QC team,and each our package worker will be in charge of the final inspection according to the QC instruction before packing.
5. Q: What is about the payment terms.
A: Basically, the payment terms are T/T, L/C at sight. Western Union, Alipay.
6.Q: Can you do OEM for me?
A: We accept all OEM orders,just contact us and give me your design,we will offer you a reasonable price ASAP.
Purchasing Notes
1. If you knows little but only the volume or area of your warehouse, plant or workshop, like their length, width, height, please make sure that contact us in time. By doing so, our engineers can design the specifications and quantity of the product to your need.
2.If there is no specification parameter that required in the parameter table, please tell us your requirements and we will give you a satisfactory designing scheme.
3.If you have confirmed with our products, please place an order and then make payment. After that, we will arrange delivery as soon as possible. Without change to the order before our delivery, we will give you an exquisitely prepared present.
4.If there is any difficulty in transportation, please feel free to contact us and we will give you a satisfactory plan to save freight as much as possible.