Global Wastewater Treatment Solutions Provider

Over 18 Years of Manufacturing Expertise

EPDM and Silicone Membrane Fine Bubble Tube Diffuser

Short Description:

The Fine Bubble Tube Diffuser is designed for efficient aeration in various wastewater treatment applications. It can be installed individually or in pairs on rectangular or round distribution pipes made from durable ABS material, using the appropriate adapter. Each membrane is crafted from high-quality EPDM or silicone and is available with either fine or coarse bubble perforations. The robust support tubes (ABS or PVC) can be reused when replacing membranes, ensuring cost-effectiveness and sustainability. This diffuser offers maximum oxygen transfer performance with minimal maintenance and operational costs.


Product Detail

Product Tags

Product Video

This video gives you a quick look at all our aeration solutions, from fine bubble tube diffusers to disc diffusers. Learn how they work together for efficient wastewater treatment.

Product Features

1. High Oxygen Transfer Efficiency — Delivers excellent aeration performance.

2. Low Total Cost of Ownership — Durable materials and reusable parts reduce lifetime costs.

3. Anti-Clogging and Corrosion Resistant — Designed to prevent blockages and withstand harsh environments.

4. Quick Installation — Easy to install, requiring only 2 minutes per diffuser.

5. Maintenance-Free Design — Up to 8 years of reliable operation with minimal upkeep.

6. Premium EPDM or Silicone Membrane — Provides consistent, high-efficiency bubble diffusion.

Product Features  (1)
Product Features  (21)

Technical Parameters

Type Membrane Tube Diffuser
Model φ63 φ93 φ113
Length 500/750/1000mm 500/750/1000mm 500/750/1000mm
MOC EPDM/Silicon membrane
ABS tube
EPDM/Silicon membrane
ABS tube
EPDM/Silicon membrane
ABS tube
Connector 1''NPT male thread
3/4''NPT male thread
1''NPT male thread
3/4''NPT male thread
1''NPT male thread
3/4''NPT male thread
Bubble Size 1-2mm 1-2mm 1-2mm
Design Flow 1.7-6.8m³/h 3.4-13.6m³/h 3.4-17.0m³/h
Flow Range 2-14m³/h 5-20m³/h 6-28m³/h
SOTE ≥40%(6m submerged) ≥40%(6m submerged) ≥40%(6m submerged)
SOTR ≥0.90kg O₂/h ≥1.40kg O₂/h ≥1.52kg O₂/h
SAE ≥8.6kg O₂/kw.h ≥8.6kg O₂/kw.h ≥8.6kg O₂/kw.h
Headloss 2200-4800Pa 2200-4800Pa 2200-4800Pa
Service Area 0.75-2.5㎡ 1.0-3.0㎡ 1.5-2.5㎡
Service Life >5 years >5 years >5 years

Aeration Diffusers Comparison

Compare key specifications of our full range of aeration diffusers.

Model HLBQ-170 HLBQ-215 HLBQ-270 HLBQ-350 HLBQ-650
Bubble Type Coarse Bubble Fine Bubble Fine Bubble Fine Bubble Fine Bubble
Image  HLBQ-170  HLBQ-215  HLBQ-270  HLBQ-350  HLBQ-650
Size 6 inch 8 inch 9 inch 12 inch 675*215mm
MOC EPDM/Silicone/PTFE – ABS/Strengthened PP-GF
Connector 3/4''NPT male thread
Membrane Thickness 2mm 2mm 2mm 2mm 2mm
Bubble Size 4-5mm 1-2mm 1-2mm 1-2mm 1-2mm
Design Flow 1-5m³/h 1.5-2.5m³/h 3-4m³/h 5-6m³/h 6-14m³/h
Flow Range 6-9m³/h 1-6m³/h 1-8m³/h 1-12m³/h 1-16m³/h
SOTE ≥10% ≥38% ≥38% ≥38% ≥40%
(6m submerged) (6m submerged) (6m submerged) (6m submerged) (6m submerged)
SOTR ≥0.21kg O₂/h ≥0.31kg O₂/h ≥0.45kg O₂/h ≥0.75kg O₂/h ≥0.99kg O₂/h
SAE ≥7.5kg O₂/kw.h ≥8.9kg O₂/kw.h ≥8.9kg O₂/kw.h ≥8.9kg O₂/kw.h ≥9.2kg O₂/kw.h
Headloss 2000-3000Pa 1500-4300Pa 1500-4300Pa 1500-4300Pa 2000-3500Pa
Service Area 0.5-0.8㎡/pcs 0.2-0.64㎡/pcs 0.25-1.0㎡/pcs 0.4-1.5㎡/pcs 0.5-0.25㎡/pcs
Service Life >5 years

Why Choose Our Product?

Our fine bubble tube diffusers ensure uniform air distribution and high oxygen transfer efficiency, improving the performance of aeration tanks and reducing energy consumption. Reusable support tubes and durable membranes provide a sustainable solution for municipal and industrial wastewater treatment projects.


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