Disc Diffuser

JUNTAI- Professional China Aeration Diffuser Manufacturer and Supplier

105 extrusion production lines丨clients from 100+ countries丨30000m²factory aera

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Juntai Diffuser 4 Core Advantages

Juntai · China Professional Aeration System Manufacturer

Stable Operation 〡 Longer Service Life

Full-Thread Locking (optional)

Optional Full-Thread Locking Structure

360° full thread engagement for even force distribution
Anti-vibration & anti-loosening for stable long-term operation
Superior airtightness, less air leakage and higher energy efficiency
Stronger structure and longer service life

Exclusive membrane formula

Exclusive Membrane Formula

Imported virgin EPDM rubber, low aeration resistance & energy-saving ●

Anti-clogging & oil-resistant formula, 8-year clogging-free ●

Dual-crosslinking technology with high tear strength ●

Designed for long-term continuous wastewater treatment ●

DISC DIFFUSER EXCLUSIVE MEMBRANE FORMULA

I-Shape Slit Perforation

High-Precision Machined Perforation

I-shape slits, auto-closing to prevent sewage backflow
0.8mm precise apertures for fine and uniform bubbles
High oxygen transfer efficiency with third-party certified data
Low resistance design to reduce blower energy consumption

Optional Diffuser Material

Optional Diffuser Body Materials ●

ABS: Cost-effective, high impact resistance, suitable for municipal wastewater ●

PP + Glass Fiber: High strength, corrosion & high temperature resistant, ideal for industrial ● wastewater

Flexible material selection based on project requirements ●

optional diffuser material abs pp glass fiber

Why Choose Us?

Rich Experience

With over 20 years of industry experience, our team of professional environmental engineers is committed to developing innovative and high-quality solutions that are customized to meet the specific needs of our clients.

Advanced Equipment

We are a production-oriented factory, and advanced equipment is the basis for quality assurance. Try to use the control of the device to reduce the chance of human error. Use equipment to improve production efficiency and reduce labor intensity.

Professional service

Professionalism is key. We have a team of experts who know the ins and outs of water treatment. They can give you the best advice and support, making sure you get the most out of our products. Good service means better solutions for you.

Customized Services

At JUNTAI, we don't just supply aeration diffusers -we engineer customized biofilm ecosystems to maximize efficiency in your wastewater treatment systems. From concept to completion, our expertise ensures every detail aligns with your project's unique challenges and goals.

Our production and equipment

Contact for Cooperate: +86 13600513715

juntai disc diffuser aeration system factory

10+

years

Specialized in aeration since 2013. We understand the science of oxygen transfer and the reality of project timelines.

75+

high-speed extruded and injection lines

Massive capacity for fast delivery and competitive pricing.

30000m2

factory area

Large-scale facility with ample stock for seamless supply.

SERVICE

Disc diffusers are a proven and reliable technology extensively used in municipal and industrial wastewater treatment. They are recognized for their low pressure drop, high oxygen transfer efficiency, and uniform bubble distribution, ensuring highly effective performance.

Free Cost Estimates & Designs

Juntai provides complimentary cost estimates and project evaluations toensure our disc diffuser is the ideal fit for your requirements.

Quality And Innovation

Juntai is committed to delivering superior quality and continuous innovation.Every component, from our diaphragms to fittings and air distribution lines,undergoes rigorous quality testing.

Installation And Commissioning

Our professional project management team ensures every project is completedon time and to the highest standards. Experienced engineers guide theinstallation and commissioning process.

Benefits of Disc Diffuser

Efficient Oxygen Transfer

Disc aerators generate fine bubbles, maximizing the air-water interface and promoting efficient oxygen transfer. The increased oxygen availability enhances the activity of aerobic microorganisms, leading to effective biological treatment and pollutant removal.

Uniform Oxygen Distribution

Properly arranged Disc aerators ensure uniform oxygen dispersion throughout the treatment basin. This uniform distribution prevents oxygen-deficient zones and supports consistent microbial activity across the entire treatment area.

Energy Efficiency

Disc aerators can be designed to create fine bubbles, reducing the energy required for oxygen transfer compared to coarser bubble Diffusers. This enhanced energy efficiency translates to cost savings and more sustainable treatment operations.

Flexible Design Options

Disc aerators come in various sizes and materials, allowing for flexibility in system design. They can be tailored to suit different basin geometries, treatment processes, and specific treatment objectives.

Low Maintenance Requirements

With proper cleaning and maintenance, Disc aerators can have a long service life. Their robust construction and resistance to chemical degradation contribute to reduced maintenance needs and operational downtime.

Product Parameters

Item number	DD215	DD270	DD350
Disc diffuser Diameter(mm)	215	270	350
Membrane Material	EPDM 8600n from EXXONMOBIL USA
Carrier Plate	Formula Strengthen ABS Material
Connector	3/4" NPT Male thread
Bubble size(mm)	1.0-2.0	1.0-2.0	1.0-2.0
Design Flow(m3/h)	1.5-2.5	3.0-4.0	5.0-6.0
Flow Range(m3/h)	1.0-5	1.5-8.0	2-12
Standard Oxygen Transfer Efficiency(6m submerged)	≥38%	≥38%	≥38%
Service Area(m2)	0.2-0.64	0.25-1.0	0.4-1.5
Service Life(years)	3 To 7	3 To 7	3 To 7
Number of perforations(Pcs)	4400	6600	11440
Thickness of membrane(mm)	2±0.1	2±0.1	2±0.1
Use of Temperature(℃)	0-80	0-80	0-80

Application of Disc Diffuser

Municipal Wastewater Treatment

Disc diffuser in the activated sludge system to provide oxygen to help microorganisms decompose organic matter in sewage, is an indispensable part of municipal wastewater treatment.

Industrial Wastewater Treatment

Especially in the treatment of high concentration organic wastewater (such as food processing wastewater, pharmaceutical wastewater, etc.), the disc diffuser can effectively support the biochemical treatment process.

Aquaculture Oxygenation

The use of disc diffusers in fish or shrimp ponds can significantly improve water quality, provide aquatic organisms with the necessary dissolved oxygen, and promote healthy growth.

PACKAGING

CUSTOMIZATION OPTIONS

Tailored solutions for diverse project and branding requirements

Membrane Logo & Disc Frame logo

Supports Printing Customer Logo or Brand Identity on the Membrane

Perforation Size & Quantity

Optimized Perforation Size and Number according to Site-Specific Operating Conditions

Appearance & Color

Choice of body shape, color, and material combination

FAQ

Q: How does a disc diffuser work?

A: Air is supplied to the disc diffuser through an air - supply pipe. The disc has fine pores or slits through which the air is forced out. As the air exits, it forms small bubbles that rise through the liquid, transferring oxygen to the water and promoting aerobic biological processes.

Q: What are the main components of a disc diffuser?

A: The main components include the disc itself, which is usually made of a durable material like EPDM (ethylene - propylene - diene monomer) rubber or silicone. It also has an air - inlet connection for receiving the air supply and a support structure to hold the disc in place in the aeration tank.

Q: What materials are disc diffusers commonly made of?

A: As mentioned, EPDM rubber and silicone are common materials. EPDM is known for its good chemical resistance and durability, while silicone offers flexibility and resistance to high temperatures. Some disc diffusers may also be made of polyurethane.

Q: What is the typical diameter of a disc diffuser?

A: Disc diffusers typically have diameters ranging from 100 - 300 mm. However, other sizes may be available depending on the specific application requirements.

Q: How is the air flow rate regulated for a disc diffuser?

A: The air flow rate is regulated using valves and flow meters in the air - supply system. A blower or compressor supplies the air, and the valves can be adjusted to control the amount of air reaching the disc diffuser.

Q: Can disc diffusers be used in both aerobic and anaerobic treatment processes?

A: Disc diffusers are mainly used in aerobic treatment processes as they are designed to introduce oxygen. In anaerobic processes, where oxygen is not required, other types of devices are typically used.

Q: How to clean a disc diffuser?

A: Cleaning can be done by periodic removal of the diffuser from the tank. Chemical cleaning agents can be used to remove fouling or clogging substances. In some cases, backwashing with clean water can also be effective if the clogging is not severe.

Q: Can disc diffusers be customized for different applications?

A: Yes, they can be customized in terms of the number of pores, the diameter of the disc, and the air - flow characteristics to meet the specific requirements of different aeration applications.

We're professional disc diffuser manufacturers in China, specialized in providing high quality products and service. We warmly welcome you to buy high-grade disc diffuser made in China here from our factory.

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