Hot Selling Membrane Fine Bubble Disc Diffuser Aeration Diffuser
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Product Highlights
- High Oxygen Transfer Efficiency: Unique split pattern and slit shapes disperse air bubbles in an extremely fine and uniform pattern for >30% oxygen utilization.
- Integrated Check Valve: Enables aeration zones to be easily shut down for air-on/air-off applications, preventing backflow and ensuring safety.
- Durable EPDM/Silicone Membrane: Made of ABS engineering plastic with EPDM or Silicone membranes, offering high temperature and chemical resistance.
- Anti-Locking Assembly: Adopts threaded anti-locking mechanized assembly to ensure the diaphragm never falls off during operation.
- Low Resistance Design: Special technology ensures the rubber diaphragm has low resistance, opening easily for efficient aeration.
- Fine Bubble Technology: Produces 1-3mm bubble diameter for superior oxygen transfer efficiency compared to coarse bubble diffusers.
- Multi-Scenario Application: Suitable for industrial, home, agriculture, hospital, and aquaculture pond aeration needs.
- Certified Quality: Products are certified with SGS, ISO9001, and CE standards, ensuring reliable performance and safety.
Product Attributes
- Customization
- Available
- Type
- Aerators
- Method
- Combined Treatment
- Model NO.
- 215mm
- Usage
- Industrial, Home, Agriculture, Hospital
- Material
- EPDM/Silicone/Customzied
- Flow Rate
- 1-4m³/H
- Transport Package
- Carton Box
- Specification
- 215/260/300mm
- Trademark
- Ewater
- Origin
- China
- Production Capacity
- 5000 Pieces/Month
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of Hot Selling Membrane Fine Bubble Disc Diffuser Aeration Diffuser
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Product Description

Name | Φ215 | Φ260 | Φ300 |
Working ventilatory capacity(m3/h) | 1.5-3 | 2-5 | 2-8 |
Design ventilatory capacity(m3/h) | 2 | 2.5 | 4 |
Service area(m2h) | 0.25-0.45 | 0.35-0.65 | 0.45-0.75 |
Oxygen utilization rate(%) | >30 | >30 | >30 |
Theoxygenation capacity(kgO2/h) | 0.13-0.35 | 0.18-0.45 | 0.25-0.5 |
Bubble diameter(mm) | 1-3 | 1-3 | 1-3 |
Submergence depth(m) | 4-8 | 4-8 | 4-8 |
Theory of dynamic efficiency(kgO2/kw.h) | 6.5 | 6.5 | 6.5 |

for air-on/air-off applications.



creep,while producing fine bubbles at a modest headloss.



We help customers to select and purchase the high quality and cost-effective products among hundreds of thousands of manufacturers in water treatment field in China. We have one hundred suppliers as our partners, specially, there are hundreds of companies specialized in water treatment are located in the same area as our company located.
We have sister company "Jieming International Trading" in Dubai, U A E, provide water treatment products and services for Middle East countries since 2 0 0 5.
Our many years experience and professional team in water treatment field give us the advantages such as:
Helping buyers to choose very suitable products among so many manufacturers;
We accept customized orders based on their needs, whatever the quantity or model is;
We offer fast delivery upon customers' requests by all means, such as air freight, courier with an affordable cost;
We provide one-stop service for product sourcing, purchase, export, delivery, warranty after sales, all in one stop, reliably and efficiently.
In the past 4 years, we have supplied and serviced hundreds of clients in 8 0 countries all over the world.
Our mission is:
Empower our customers buying water treatment products from China as easy as buying from their hometown.
Q1.Are you a factory or trading company?
A1:We are a professional water treatment equipment and accessories manufacturing factory that set up for over 10 years. We always pay attention to the development of the industry!We can give a discount according to the quantity of the machine you purchase.
B1:At the same time,we take effective measures to control the production process for ensuring the quality of products. Our products are certified.And we can supply SGS,ISO9001,CE certification.
Q2.What products does your company offer by yourself?
A3:We are specialized in reverse osmosis equipment,ultra filtration equipment,EDI electric desalination system,sea water
desalination system,water treatment spares,water treatment accessories etc.
Q3.How can I know your machine works well?
A4:Before delivery,we shall test the machine working condition for you.
Q4.What's the information you need to know before order?
A1:Which model you need?
B1:What's the size you need?
About the Supplier
Company Profile
Wuxi Ewater Water Treatment Co., Ltd. is Water treatment product and service provider, located in Yixing, Wuxi China, which gathers 600 manufacturers of environment protection products, famous in China as "City of Environment Protection Products".
We help customers to select and purchase the high quality and cost-effective products among tens of thousands of manufacturers in water treatment field in China. We have 200 suppliers as our partners at the time being, Specially, there are hundreds of companies specialized in water treatment are located in the same area as our company located.
We have sister company "Jieming International Trading" in Dubai, U A E, provide water treatment products and services for Middle East countries since 2 0 0 5.
Our experience and professional team give us the advantages such as:
Helping buyers to choose suitable products among so many manufacturers;
We accept customized orders based on their needs, whatever the quantity or model is;
We offer fast delivery upon customers' requests by all means, such as air freight, courier with an affordable cost;
We provide one-stop service for product sourcing, purchase, export, delivery, warranty after sales, all in one stop, reliably and efficiently.
In the past 9 years, we have supplied and serviced hundreds of clients in 150 countries all over the world. Adhering to the business principle of mutual benefits, we have had a reliable reputation among our customers because of our professional services, quality products and competitive prices. We warmly welcome customers to cooperate with us for common success.
Our mission is:
Empower our customers buying water treatment products from China as easy as buying from their hometown.
About Our Factory & Business Background
- Address
- Room 109, Building 1, Yuandong Road, Gaocheng Town, Yixing City, Wuxi, Jiangsu, China
- Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment, Money Gram
- International Commercial Terms(Incoterms)
- FOB, EXW, CFR, CIF, DDP, DAP, FCA
- Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: within 15 workdays - Nearest Port
- Shanghai Port, Ningbo Port, Qingdao Port
Our Production Capability & Technical Expertise
Our Industry Experience & Global Business Record
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
FAQ
- Are you a factory or trading company?
- We are a professional water treatment equipment and accessories manufacturing factory that set up for over 10 years. We always pay attention to the development of the industry! We can give a discount according to the quantity of the machine you purchase. At the same time, we take effective measures to control the production process for ensuring the quality of products. Our products are certified. And we can supply SGS, ISO9001, CE certification.
- What products does your company offer?
- We are specialized in reverse osmosis equipment, ultra filtration equipment, EDI electric desalination system, sea water desalination system, water treatment spares, water treatment accessories etc.
- How can I know your machine works well?
- Before delivery, we shall test the machine working condition for you.
- What information is needed before ordering?
- We need to know which model you need and what size you need.
- What materials are used for the membrane?
- The membrane is made of EPDM or Silicone. EPDM is manufactured by compression molding with a standard cure, low plasticizer content, and 1mm or 2mm perforations. Silicone membranes offer high temperature resistance and chemical resistance, resisting tearing and creep while producing fine bubbles.
- What certifications do you have?
- Our products are certified with SGS, ISO9001, and CE standards.
- What is the minimum order quantity?
- The Minimum Order Quantity is 1 Pc.
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