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NTBE-DIFF-TUBE · EPDM / Silicone membrane tube diffuser for deep aeration tanks
Tube Diffuser (Fine Bubble Aeration)
A Tube Diffuser is a fine-bubble aeration device used in wastewater treatment plants to transfer oxygen efficiently into water. It consists of a perforated EPDM or silicone membrane mounted on a PVC or stainless-steel support tube. Tube diffusers are ideal for deep aeration tanks and provide high oxygen transfer efficiency with low energy consumption.
Key Features
- ✓Fine bubble (1–3 mm) — high oxygen transfer efficiency
- ✓EPDM / Silicone membrane on PVC / PP / SS support
- ✓Standard lengths: 500 mm, 750 mm, 1000 mm
- ✓Air flow rate 2–12 Nm³/hr (depending on length)
- ✓Oxygen transfer efficiency up to 30–40%
- ✓Low operating pressure (0.1–0.5 bar)
- ✓Easy membrane replacement
Applications
STPETPMBBRActivated Sludge ProcessAquacultureDeep aeration tanks
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Technical Specifications
| Membrane Material | EPDM / Silicone |
| Support Material | PVC / PP / Stainless Steel |
| Standard Lengths | 500 / 750 / 1000 mm |
| Bubble Size | Fine bubble (1–3 mm) |
| Air Flow Rate | 2 – 12 Nm³/hr |
| Oxygen Transfer Efficiency | Up to 30–40% |
| Operating Pressure | 0.1 – 0.5 bar |
| Connection Size | ¾" or 1" BSP / NPT |