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ETP Diffuser
SPECIFICATION
SHAPE
DISC & Tube TYPE
DIA SIZE
80mm to 150mm
MOC OF MEMBRANE
EPDM / SILICONE
MAX. PRESSURE ALLOWED
1 kg/cm2 - 1.5kg/cm2
AIR FLOW RANGE
1-10 m3/hr
MAX. OPERATING TEMP.
60° C
Types Of Bubble Diffusers
overview
ETP Diffuser by Vasu Pharmatech — Precision Aerators for Efficient Treatment
When an effluent treatment plant (ETP) isn’t performing well, the root cause is often poor aeration. Since oxygen is the core of biological wastewater treatment, a weak or mismatched diffuser system leads to low dissolved oxygen levels, foul odours, uneven mixing, and rising energy costs. You’ll also see more maintenance issues and reduced treatment efficiency.
This is exactly where a well-engineered ETP diffuser makes the difference. By ensuring effective airflow and high oxygen transfer, the right air diffuser for ETP supports microbial activity, reduces system stress, and lowers your power bills.
At Vasu Pharmatech, we design and manufacture diffuser systems that address these problems at their source. Our ETP diffusers are built for reliable performance in real-world conditions—helping your plant run more efficiently, more consistently, and with fewer disruptions.
How an ETP Diffuser Works
A diffuser supplies air into the tank via fine bubbles, increasing the surface area for oxygen to dissolve into water. This oxygen is then available to bacteria that break down organic waste.
You have two major choices in diffuser types:
Fine Bubble Tube Diffuser
Fine Bubble Disc Diffuser
And for heavy-duty mixing requirements:
Coarse Bubble Diffuser
Fine bubble units deliver high treatment efficiency, while coarse bubble options handle sludge-heavy or high-solid zones. Selecting the right type saves you energy and ensures proper treatment.
Specifications That Matter
Here are the core specs we guarantee with our disc & tube diffusers:
| Parameter | Details |
|---|---|
| Shape | Disc & Tube Type |
| Diameter Size | 80 mm to 150 mm |
| Membrane Material | EPDM or Silicone |
| Max Pressure Allowed | 1.0 – 1.5 kg/cm² |
| Air Flow Range | 1 – 10 m³/hour |
| Max Operating Temp. | 60 °C |
These specifications make our ETP diffusers suitable for a wide range of industrial applications. Whether you’re using a fine bubble tube diffuser, a disc diffuser, or even a coarse bubble diffuser, our products offer reliable performance. They work smoothly across different air diffusion systems and blower setups, even under variable loads and extreme plant conditions.
With the right balance of pressure tolerance, membrane quality, and flow capacity, Vasu Pharmatech diffusers ensure your ETP system stays efficient, energy-smart, and low-maintenance.
Choosing the Right Shape and Size
Disc-Type Diffusers (80–150mm)
Compact design fits into smaller tanks and corners.
Easy to replace or expand as needs change.
Precision airflow is ideal for modular systems.
Tube-Type Diffusers
Great for rectangular or long tanks.
Delivers uniform air along long pipe runs.
Easy to scale by adding more tubes.
Membrane Material: EPDM vs Silicone
EPDM
Tear-resistant, durable, budget-friendly.
Good for typical wastewater or medium temperature.
Performs well under most chemical exposures.
Silicone
More flexible, resists high temperature and chemical stress.
Ideal if influent has heat, oils, or aggressive compounds.
We help you pick the right membrane based on waste type, temperature, and long-term durability needs.
Pressure and Airflow: Optimised Performance
Our diffusers work efficiently within a pressure range of 1.0 to 1.5 kg/cm². This matches most blower systems without requiring unnecessary upgrades.
Airflow flexibility—from 1 to 10 m³/hr per diffuser—lets you control oxygen delivery precisely. You can handle both low-load periods and peak biological demand without over-pressurizing the system.
Thermal Tolerance
Operating safely up to 60 °C, our diffusers are built to function in warmer climates or industrial effluent streams. This heat resistance extends product life even in harsh operating zones.
Problem-Focused Performance
Here’s how our ETP diffusers tackle common plant issues:
Low Dissolved Oxygen?
Fine bubbles maximize oxygen efficiency—boosting bacterial action with less air.Uneven Aeration Zones?
Disc and tube designs ensure uniform airflow and prevent dead zones.High Energy Cost?
Working at optimal pressure, diffusers reduce blower load and power usage.Clogging & Fouling?
Using EPDM or silicone membranes that resist buildup extends service intervals.Frequent Maintenance?
Easy-to-swap modules and simple cleaning cut downtime and labor costs.
Selection Guidelines
Tank Layout
Use disc diffusers in compact or modular treatment zones.
Install fine bubble tube diffusers in long aeration tanks for even air distribution.
Oxygen Requirements
Go for fine bubble diffusers (tube or disc type) if your plant needs high oxygen transfer.
Use coarse bubble diffusers where strong mixing or sludge breakdown is needed.
Flow Variability
Choose diffusers with airflow capacity between 1–10 m³/hr to manage changing influent load.
Membrane Material
EPDM diffusers are ideal for standard wastewater applications.
Silicone diffusers work best for high temperatures or chemical-rich effluent.
At Vasu Pharmatech, we provide expert layout support to configure the best air diffuser for ETP plant, based on your tank dimensions and process flow. We ensure your diffuser system fits your plant perfectly—right from the start.
Made for Indian Conditions
Indian ETPs (Effluent Treatment Plants) often face unique challenges such as variable power supply, high ambient temperatures, diverse wastewater composition, and limited technical manpower on-site. These factors can put extra pressure on the air diffuser for ETP systems to perform reliably under tough conditions. At Vasu Pharmatech, our ETP diffusers are specifically engineered to meet these demands. Whether it’s a fine bubble tube diffuser, coarse bubble diffuser, or disc-type diffuser, our solutions are built using durable membranes like EPDM and Silicone. They ensure consistent air distribution, easy installation, and minimal maintenance—perfect for Indian industries running STP and ETP diffusers 24/7.
Installation & Support
Installing ETP diffuser systems from Vasu Pharmatech is a smooth, guided process. We provide layout support, help with blower sizing, and offer training for proper installation and upkeep. Spare parts are available, and our team is here with ongoing support as your plant evolves. Our goal isn’t just to supply diffusers—it’s to ensure they perform reliably and help you meet treatment targets efficiently.
Case Snapshot (based on real projects)
In one case, a textile effluent plant suffered from low dissolved oxygen and frequent maintenance. After replacing waterways with Vasu Pharmatech disc diffusers:
- Energy use dropped by 20%
- DO levels rose consistently
- Maintenance intervals increased from 4 months to over 8 months
- Operational uptime improved by over 10%
This real result shows how precise aeration leads to measurable improvement.
Why Vasu Pharmatech is the Go-To Choice
We’re experts in Indian aeration systems with hands-on real-world project experience.
We offer tailored diffuser designs, not generic products.
Manufacturing is local—fast delivery, consistent quality, and cost control.
We support you from design through post-installation.
We offer full transparency in pricing, specs, and performance.
Conclusion
In any effluent treatment plant, selecting the right ETP diffuser is not just a technical decision—it’s critical to system efficiency, long-term savings, and environmental compliance. Whether you’re working on an industrial setup or a commercial STP/ETP, the performance of your air diffuser for ETP plant plays a key role in maintaining ideal oxygen levels, reducing power consumption, and achieving better treated water quality.
At Vasu Pharmatech, we manufacture and supply a complete range of diffusers for ETP, including fine bubble tube diffusers, fine bubble disc diffusers, and coarse bubble diffusers. All our products are designed to handle Indian wastewater conditions—high solids, variable loads, and long operational hours—without compromising durability or efficiency. With membrane options like EPDM and Silicone, and sizing from 80mm to 150mm, our diffusers are engineered for long service life and stable air flow rates between 1–10 m³/hr.
We understand that many plants struggle with uneven air distribution, frequent maintenance, or short equipment life. Our goal is to solve these problems at the root—by providing air diffuser for ETP systems that are easy to install, operate efficiently, and require minimal maintenance.
If you’re upgrading an old plant or planning a new one, choosing a diffuser for ETP that suits your process can dramatically improve treatment outcomes and cut operational costs. Vasu Pharmatech stands behind every product with solid performance, real-world reliability, and unmatched industry knowledge.
An ETP diffuser is used in effluent treatment plants to spread air evenly into the wastewater. This air boosts oxygen levels, which helps bacteria break down waste effectively. Without proper aeration, the treatment process becomes slow and less efficient.
The best air diffuser for ETP depends on your plant’s size and wastewater load. For high-efficiency oxygen transfer, fine bubble tube diffusers or disc diffusers are ideal. For heavy sludge or mixing zones, coarse bubble diffusers may be more suitable.
Good quality diffusers for ETP plants reduce energy use by improving oxygen transfer efficiency. Fine bubble designs, for example, create tiny bubbles that stay in the water longer, needing less air pressure and saving on blower power.
A well-maintained air diffuser for ETP can last between 3 to 7 years, depending on the material and wastewater conditions. Using EPDM or Silicone membranes helps extend durability, even in harsh industrial effluents.
Vasu Pharmatech is a trusted ETP diffuser manufacturer offering products designed for Indian industrial needs. Our fine bubble diffusers, disc diffusers, and coarse bubble diffusers are efficient, long-lasting, and easy to install in both new and existing plants.
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★★★★★ 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