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Fine Bubble Disc Diffusers
SPECIFICATION
SHAPE
DISC TYPE
SIZE
9" & 12"
MOC OF MEMBRANE
EPDM / SILICONE
MAX. PRESSURE ALLOWED
1.5kg/cm2
AIR FLOW RANGE
0-20 m3/hr
Bubble size
0.8 - 1.9 mm
overview
Fine Bubble Disc Diffusers
A fine bubble disc diffuser is an aeration device that releases very small-sized air bubbles into water. The bubble size usually ranges between 0.8 to 1.9 mm, which provides a much higher oxygen transfer efficiency compared to larger bubbles.
These diffusers are widely used in sewage treatment plants (STP), effluent treatment plants (ETP), aquaculture, and industrial wastewater treatment systems. By supplying fine bubbles, they help microorganisms break down organic matter effectively, reducing pollution and ensuring compliance with discharge norms.
Unlike coarse bubble systems, fine bubble disc diffusers cover a larger surface area of water, ensuring more oxygen dissolves in less time, thereby reducing energy consumption.
Technical Specifications of Vasupharmatech Fine Bubble Disc Diffuser
| Specification | Details |
|---|---|
| Shape | Disc Type |
| Size | 9″ & 12″ |
| Membrane Material (MOC) | EPDM / Silicone |
| Max Pressure Allowed | 1.5 kg/cm² |
| Air Flow Range | 0 – 20 m³/hr |
| Bubble Size | 0.8 – 1.9 mm |
Advantages
Types of Disc Diffusers
When discussing aeration, it’s important to understand the different types of diffusers available:
1. Fine Bubble Disc Diffuser
- Produces small bubbles (0.8–1.9 mm)
- High oxygen transfer efficiency
- Energy-saving solution
- Best suited for STP and ETP plants
2. Coarse Bubble Disc Diffuser
- Produces larger bubbles (3–12 mm)
- Provides mixing rather than efficient oxygen transfer
- Suitable for applications where clogging is an issue
- Lower efficiency compared to fine bubble diffusers
3. Membrane Disc Diffuser
- Uses EPDM or silicone membranes
- Long life with anti-clogging design
- Flexibility in operation
- Available in both fine bubble and coarse bubble designs
4. Disc Diffuser Aerator (General)
- Can be installed in grids at the bottom of tanks
- Ensures uniform bubble distribution
- Available in different sizes and materials
Vasu pharmatech
Fine Bubble Disc Diffuser vs Coarse Bubble Disc Diffuser
| Feature | Fine Bubble Disc Diffuser | Coarse Bubble Disc Diffuser |
|---|---|---|
| Bubble Size | 0.8 – 1.9 mm | 3 – 12 mm |
| Oxygen Transfer Efficiency | High | Low |
| Energy Consumption | Lower (energy-saving) | Higher |
| Mixing Capacity | Moderate | High |
| Clogging Resistance | Moderate (requires maintenance) | High |
| Best Used For | STP, ETP, aquaculture | High-solid wastewater treatment |
Applications of Fine Bubble Disc Diffusers
Fine bubble disc diffusers are versatile and widely used in different industries. Some of the common applications include:
1. Sewage Treatment Plants (STP)
- Used in municipal wastewater treatment
- Helps in aerobic digestion of organic matter
- Provides consistent aeration across tanks
2. Effluent Treatment Plants (ETP)
- Essential for treating industrial effluents
- Works with biological treatment methods
- Reduces harmful pollutants before discharge
3. Aquaculture
- Maintains dissolved oxygen levels for fish and shrimp farming
- Promotes healthy aquatic life
- Reduces water stagnation
4. Industrial Wastewater Treatment
- Ideal for food processing, textile, chemical, and pharmaceutical industries
- Reduces COD (Chemical Oxygen Demand) and BOD (Biochemical Oxygen Demand)
- Ensures compliance with pollution control norms
Benefits of Fine Bubble Disc Diffusers
Investing in EPDM fine bubble disc diffusers comes with multiple advantages:
- High Oxygen Transfer Efficiency: Small bubble size ensures maximum oxygen dissolution.
- Energy Savings: Reduced blower load and electricity consumption.
- Durability: EPDM/Silicone membranes last longer, even in tough conditions.
- Uniform Aeration: Even bubble distribution improves biological performance.
- Cost-Effective: Long-term savings due to reduced maintenance and energy bills.
- Scalability: Can be installed in small STPs or large industrial plants.
Factors Affecting Fine Bubble Diffuser Price
When purchasing a fine bubble diffuser, the price may vary based on several factors:
- Size of Disc Diffuser – 9-inch vs. 12-inch
- Membrane Material – EPDM or Silicone
- Flow Rate Requirements
- Quantity Ordered – Bulk orders may reduce per-unit cost
- Brand & Quality – Reliable manufacturers like Vasupharmatech provide long-lasting diffusers with warranty
While low-cost options may seem attractive initially, they often fail early due to membrane tearing or clogging. Hence, investing in a quality diffuser saves more in the long run.
Why Choose EPDM Fine Bubble Disc Diffuser?
Why EPDM is the most preferred membrane material for fine bubble diffusers:
Resistant to chemicals, oils, and UV exposure – Performs well in harsh environments where ordinary rubber fails.
Durable under continuous operation – Maintains strength and flexibility even during 24/7 use, giving longer service life.
Provides consistent bubble size – Ensures efficient oxygen transfer and better aeration performance.
Lower chances of hardening and cracking – Does not stiffen quickly, reducing cracks, leaks, and maintenance.
For more demanding environments:
Silicone membranes – Highly flexible, withstand extreme temperatures, and deliver stable, long-lasting performance.
Why Industries Prefer Vasupharmatech Fine Bubble Disc Diffusers
Vasupharmatech has established itself as a trusted supplier of disc diffuser aerators for STP and ETP projects. Here’s why industries prefer Vasupharmatech:
- Superior Quality: Manufactured with EPDM and silicone membranes for longer durability.
- Proven Efficiency: High oxygen transfer with optimized bubble size.
- Wide Range: Available in 9-inch and 12-inch sizes, suitable for different applications.
- Technical Expertise: Designed to handle 0–20 m³/hr air flow under 1.5 kg/cm² pressure.
- Customization: Tailored solutions based on project requirements.
- Global Reach: Reliable coarse bubble disc diffuser exporter as well, serving both domestic and international clients.
Practical Example: Fine Bubble Disc Diffuser in STP
Imagine a municipal sewage treatment plant struggling with high energy bills and poor effluent quality. By switching from coarse bubble systems to fine bubble disc diffusers, the STP was able to:
- Increase oxygen transfer efficiency by 40%
- Reduce blower energy consumption by 30%
- Improve COD and BOD removal efficiency
- Extend diffuser life due to durable EPDM membranes
This real-world application highlights why fine bubble diffusers are a smart investment for wastewater treatment facilities.
Conclusion
A fine bubble disc diffuser is not just an aeration tool—it is the backbone of efficient, reliable, and sustainable wastewater treatment. From municipal STPs to industrial ETPs, these diffusers provide unmatched oxygen transfer efficiency, reduce operating costs, and improve overall system performance.
By choosing Vasupharmatech fine bubble air diffusers, you get:
- Trusted quality with EPDM and silicone membranes
- High-performance disc diffuser aerators
- Long-term savings on energy and maintenance
- Reliable support from a leading fine bubble disc type diffuser manufacturer and exporter
If you’re looking for the perfect balance of performance, durability, and cost-effectiveness, Vasupharmatech offers the ideal solution for your aeration needs.
Upgrade your STP/ETP system today with Vasupharmatech fine bubble diffusers and experience efficient wastewater treatment like never before.
About The Author
Lalit Nankani
Managing Partner, Vasu Pharmatech
Lalit Nankani has over 12 years of experience in the filtration and water treatment industry. He leads Vasu Pharmatech, a trusted name in making PP Filter Press Systems, MBBR Filter Media, and other filtration products.
Under his leadership, the company has delivered high-quality solutions to many industries like pharmaceuticals, chemicals, food and beverage, textiles, and wastewater treatment. Lalit believes in providing strong, easy-to-use, and cost-effective systems that help businesses clean and reuse water.
1. What is a disc diffuser?
It is an aeration device that releases small bubbles into water to increase oxygen transfer during treatment.
2. How does it work?
Air is pushed through a flexible membrane, creating uniform bubbles that help microorganisms break down organic matter.
3. What makes fine bubble types special?
They release very tiny bubbles, which dissolve more oxygen in water compared to larger bubble systems.
4. Where are these diffusers used?
They are used in sewage plants, industrial effluent plants, fish farming, and other water treatment setups.
5. What is the bubble size of a fine bubble air diffuser?
The bubble size typically ranges from 0.8 mm to 1.9 mm, depending on design and operating conditions.
6. Why is EPDM used in fine bubble diffusers?
EPDM membranes are durable, chemical-resistant, and long-lasting, making them suitable for continuous aeration applications.
7. What sizes are commonly available?
Most suppliers offer 9-inch and 12-inch discs.
8. What is the air flow range of a fine bubble disc diffuser?
The standard airflow range is 0–20 m³/hr, which ensures efficient aeration without overloading the diffuser.
9. What is the maximum pressure allowed in fine bubble disc diffusers?
They can typically handle up to 1.5 kg/cm² operating pressure.
10. What is the lifespan of a fine bubble disc diffuser?
With proper maintenance, an EPDM fine bubble disc diffuser can last between 5 to 8 years depending on water quality and usage.
11. How do fine bubble diffusers save energy?
Smaller bubbles create more oxygen transfer per unit of air supplied, reducing blower energy consumption by up to 30–40%.
12. Can fine bubble disc diffusers clog?
Yes, they can clog if the water has high suspended solids, but regular cleaning and preventive maintenance minimize the risk.
13. Which industries use fine bubble disc diffusers?
They are widely used in textile, food processing, pharmaceuticals, chemicals, paper, and aquaculture industries.
14. What is the difference between EPDM and silicone membranes?
- EPDM membranes: Affordable, durable, chemical-resistant
- Silicone membranes: More flexible, high-temperature resistant, long-lasting
15. Are fine bubble diffusers suitable for aquaculture?
Yes, they maintain dissolved oxygen levels in fish and shrimp farms, ensuring better survival and growth rates.
16. How to choose the right fine bubble diffuser for STP?
Consider tank size, airflow requirement, water quality, and membrane material (EPDM/Silicone) before selecting the diffuser.
17. What factors affect the fine bubble diffuser price?
Price depends on size (9” or 12”), membrane material, airflow capacity, brand reputation, and order quantity.
18. What is a disc diffuser aerator?
It is a general term for disc-shaped diffusers used in aeration tanks to release air bubbles for oxygen transfer.
19. How is a membrane disc diffuser different?
A membrane disc diffuser uses a flexible membrane (EPDM/Silicone) instead of ceramic or rigid plates, ensuring better flexibility and easy maintenance.
20. Why choose Vasupharmatech fine bubble disc diffusers?
Vasupharmatech offers high-quality EPDM and silicone diffusers, with superior oxygen transfer efficiency, energy savings, and durability, making them ideal for STPs, ETPs, and industrial use.
Products
We Have The Best Water Treatment Products
Vasu Pharmatech offers high-quality wastewater treatment products designed for efficient, reliable, and sustainable solutions.
A filter press uses plates to form filter cakes, separating slurry into filtrate.
MBBR filter media: biologically active carrier tailored to water properties.
Coarse bubble diffuser: Submerged aeration for microbial degradation.
Fine bubble disc diffuser: Submerged aeration for microbial degradation.
Fine bubble diffuser: Submerged aeration for microbial degradation.
Coarse bubble diffuser: Submerged aeration for microbial degradation.
Fine bubble diffuser: Submerged aeration for microbial degradation.
testimonials
What Our Clients Say About Us
Rohit Mehra
Delhi
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Vasu Pharmatech se liya MBBR Media, quality top class hai aur price bhi reasonable.
Sunita Rani
Ahmedabad
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Maine unka Tube Settler Media STP project ke liye liya, installation easy tha aur result superb.
Anil Kapoor
Kolkata
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Yahan ka Fine Bubble Diffuser bahut durable hai, paani ka treatment smooth ho gaya.
Deepak Singh
Mumbai
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MBBR Media ka material strong hai aur bio growth fast karta hai, highly recommended.
Meera Joshi
Chennai
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Delhi me best Tube Deck Media Supplier mujhe Vasu Pharmatech hi mila.
Suresh Kumar
Delhi
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FAB Reactor ka design simple hai aur efficiency outstanding, paise vasool product.
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Hyderabad
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Inka Filter Press Machine sludge dewatering ke liye best hai, smooth operation milti hai.
Vikram Patel
Gujarat
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Maine Disc Diffuser Aerator lagaya STP me, oxygen transfer rate awesome hai.
Rashmi Nair
Kerala
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Unka Automatic Filter Press kaafi easy hai operate karne me, maintenance kam hai.
Rohit Mehra
Delhi
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Vasu Pharmatech se liya MBBR Media, quality top class hai aur price bhi reasonable.
Sunita Rani
Ahmedabad
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Maine unka Tube Settler Media STP project ke liye liya, installation easy tha aur result superb.
Anil Kapoor
Kolkata
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Yahan ka Fine Bubble Diffuser bahut durable hai, paani ka treatment smooth ho gaya.
Arun Yadav
Rajasthan
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PVC Tube Settler ka quality imported jaisa hi hai, aur delivery bhi time pe.
Sandeep Malhotra
Punjab
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MBBR STP ke liye inke pass best quality Fab Bio Pack Media milta hai.
Anjali Verma
Delhi
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Maine Coarse Bubble Diffuser use kiya, wastewater aeration me zabardast output mila.
Mohit Gupta
Ahmedabad
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Tube Diffuser ka material strong hai aur price market se kaafi better mila.
Kiran Bansal
Kolkata
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Vasu Pharmatech ka Plate and Frame Filter Press long-lasting hai, kaafi satisfied hoon.
Naveen Rao
Bangalore
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MBBR Reactor purchase kiya aur ab system ka performance double ho gaya.
Harpreet Kaur
Amritsar
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EPDM Fine Bubble Disc Diffuser ka bubble size uniform hai, bilkul sahi product.
Ashok Jain
Surat
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Delhi NCR me inka MBBR Media Supplier service fast aur reliable hai.
Rajesh Sharma
Delhi
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Unka Tubular Diffuser lagane ke baad energy saving noticeable hai.
Pooja Sinha
Kanpur
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Hydraulic Filter Press ka design kaafi advanced hai, easy to handle.
Imran Ali
Lucknow
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FAB Media ka flow aur treatment efficiency dono hi best hai.
Nisha Mehta
Mumbai
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MBBR Wastewater Treatment project me inki products use karke results amazing aaye.
Abhishek Tiwari
Indore
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Filter Press Sludge Dewatering system smooth chalta hai, koi dikkat nahi aayi.
Geeta Rathi
Delhi
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Inka Clear PP Tube Settler STP ke liye perfect fit raha.
Manoj Patel
Ahmedabad
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Vasu Pharmatech ka Diffuser Tube bilkul leakage free aur effective hai.
Sonia Kapoor
Delhi
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Maine Membrane Tube Diffuser lagaya, performance bahut acha hai.
Farhan Sheikh
Jaipur
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Coarse Bubble Diffuser ka aeration kaafi fast hai, kaam asaan ho gaya.
Kavita Nair
Kerala
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FAB Reactor media ka biofilm growth uniform hai, kaafi achha experience.
Ravi Bansal
Delhi
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Tube Settler Media ka installation unke team ne jaldi complete kar diya.
Prakash Menon
Tamil Nadu
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Vasu Pharmatech ka Automatic Filter Press Machine time aur labor dono save karta hai.
Neha Sharma
Hyderabad
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MBBR Bio Media ka price market competitive hai aur quality high.
Rajiv Kumar
Gujarat
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Maine unka Filter Press for Sludge Dewatering liya, full value for money hai.
Tina Arora
Delhi
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Inke Diffusers in STP reliable hai, paani ka treatment hassle free ho jata hai.
Mohammed Asif
Kolkata
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Tube Deck Settler ka design compact hai aur space saving solution diya.
Yogesh Patel
Rajkot
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Vasu Pharmatech se liya hua MBBR Water Treatment Media durable aur effective hai.
Suraj Jain
Surat
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FAB Media aur Diffusers ka combination inhone suggest kiya, result best mila.
Anand Krishnan
Bangalore
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Vasu Pharmatech supplied us MBBR Media for our STP, and the performance has been excellent.
Kiran Thapa
Siliguri
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Their Tube Settler Media is durable, easy to install, and very effective in wastewater treatment.
Aarti Verma
Delhi
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The Filter Press Machine from Vasu Pharmatech is reliable and works perfectly for sludge dewatering.
Mahesh Yadav
Haryana
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Their FAB Reactor system is compact and provides excellent biological treatment.
Ritika Sharma
Pune
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We received PVC Tube Settler Media, and the quality exceeded our expectations.
Saurabh Goyal
Jaipur
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The Automatic Filter Press has saved us both time and manpower – very satisfied.
Divya Nair
Kochi
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Their Coarse Bubble Diffusers work well for wastewater aeration, giving consistent results.
Pankaj Mishra
Delhi
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The Tubular Diffusers are strong, efficient, and delivered on time.
Ramesh Bhatt
Uttarakhand
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Verified Purchase
Vasu Pharmatech provided us with EPDM Fine Bubble Disc Diffusers, and the oxygen transfer rate is outstanding.
Harshita Soni
Noida
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Their MBBR Bio Media is competitively priced yet offers premium performance.
Anwar Hussain
Ahmedabad
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The Hydraulic Filter Press is designed very well and easy to operate.
Shweta Aggarwal
Ludhiana
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For Tube Deck Media, Vasu Pharmatech is one of the most reliable suppliers we have worked with.
Akhil Nair
Bangalore
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Their Disc Diffuser Aerators are durable and perfectly suited for our STP application.
Manjeet Kaur
Punjab
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Vasu Pharmatech products are cost-effective, reliable, and perfect for water treatment projects.
Ajay Verma
Delhi
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Verified Purchase
Vasu Pharmatech ka MBBR Media liya, paani ka treatment smooth ho gaya aur maintenance bhi easy hai. Tube Settler aur Diffuser ka combination STP me highly efficient sabit hua.
Kunal Sharma
Delhi
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We bought MBBR Media and Tube Settler from Vasu Pharmatech for our STP. The quality is excellent, installation simple, and treatment performance outstanding.
★★★★★ 5/5
Reviews and Ratings
We certify that M/s. Vasu Pharmatech, located at 66B, Pocket AD Shalimar Bagh, Delhi-110088, supplied us with a Pharmatech filter press for our 275 KLD ETP plant at M/s. Asian Colour Coated Ispat Ltd. in Bawal, Dist: Rewari (Hr.). The plant was started in January 2018 and is still working well. The product and its performance have been satisfactory up to now.
ASIAN COLOUR COATED ISPAT LIMITED
Rewari, Haryana
