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| Product Name: | Fine Bubble Disc Diffuser | Material: | EPDM, ABS | 
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| Application: | Wastewater Treatment | Color: | White, Black, Blue | 
| Body: | ABS | Customized: | Available | 
| Highlight: | fine bubble disc diffuser,disc type air diffuser | 
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Silicone Fine Bubble Membrane Disc Diffuser For Aquarium Fish Tank 
 
Installation:for epdm membrane fine bubble disc diffuser
 
1.fix the regulator in the down of the ponds via expansion bolts
 
2.Install the gas pipeline into the regulator by using hoop,then adjust
 
3.To prevent the aeration equipment,should install the system after building works 
 
finished,then pour water into ponds.
 
4.To avoid leak between the pipeline and connection parts,should test the system by water in 
 
advance(water should be 10cm exceed the diffuser),then ventilate the system.
 
Product Description
 
EPDM air bubble diffuser, which is used to transfer air and with that oxygen into sewage or 
 
industrial wastewater. Oxygen is required by microorganisms in the water to break down the 
 
pollutants. Fine bubble diffusers produce a plethora of very small air bubbles which rise slowly 
 
from the floor of a wastewater treatment plant or sewage treatment plant aeration tank and 
 
provide substantial and efficient mass transfer of oxygen to the water. The oxygen, combined 
 
with the food source, sewage, allows the bacteria to produce enzymes which help break down 
 
the waste so that it can settle in the secondary clarifiers or be filtered by membranes.
 
Features:
 
1. Long guaranteed life
 
EPDM membrane is a special elastomeric polymer with high non-deformability and anti-
 
tearing index. The membrane is made at even thickness with small pressure. Special 
 
processing technology is used to overspread 6000 micro-pores on the surface of the 
 
membrane. Under running condition the air bubbles rise with spiral whirlpool, giving self-
 
purification ability to the membrane. The life of the membrane under normal use is guaranteed 
 
for 5 years, but usually it is necessary to use it together with the water removal system.
2. Unique ring seal
 
The aeration head tightening ring provides tight sealing effect between the aeration head base 
 
and the membrane washer -- the higher the air pressure, the better the sealing effect.
3. Easy installation
 
PVC soft connector can be installed directly without any other auxiliary tools. The operation is 
 
easy and convenient.
 
 
Finds Application In :
 
1. Aeration for SBR reaction basin, contact oxidation pond, and activated sludge aeration 
 
basin in sewage disposal plant;
 
2. Aeration for denitrification / dephosphorization aerobic processes;
 
3. Aeration for excreta and animal wastewater treatment plant;
 
4. Aeration of deep aeration basin;
 
5. Aeration for high concentration wastewater aeration basin, and aeration for regulating pond 
 
of wastewater treatment plant;
 
6. Aeration of fishpond and other applications.
 
 
Technical Parameters
 
| Model | HLBQ170 | HLBQ215 | HLBQ260 | HLBQ350 | |
| Bubble Type | Coarse bubble | Fine bubble | Fine bubble | Fine bubble | |
| Size | 6 inch | 8 inch | 9 inch | 12 inch | |
| MOC | EPDM/Silicon membrane ABS/PP carrier plate  | EPDM/Silicon membrane ABS/PP carrier plate  | EPDM/Silicon membrane ABS/PP carrier plate  | EPDM/Silicon membrane ABS/PP carrier plate  | |
| Connector | 3/4'' NPT male thread | 3/4'' NPT male thread | 3/4'' NPT male thread | 3/4'' NPT male thread | |
| Bubble Size | 4-5mm | 1-2mm | 1-2mm | 1-2mm | |
| Design Flow | 1-5m3/h | 1.5-2.5m3/h | 3-4m3/h | 5-6m3/h | |
| Flow Range | 6-9m3/h | 1-6m3/h | 1-8m3/h | 1-12m3/h | |
| SOTE | ≥10%(6m submerged) | ≥38%(6m submerged) | ≥38%(6m submerged) | ≥38%(6m submerged) | |
| SOTR | ≥0.21kg O2/h | ≥0.31kg O2/h | ≥0.42kg O2/h | ≥0.75kg O2/h | |
| SAE | ≥7.5kg O2/kw.h | ≥8.9kg O2/kw.h | ≥8.9kg O2/kw.h | ≥8.9kg O2/kw.h | |
| Headloss | 2000-3000Pa | 2000-4500Pa | 2000-4300Pa | 2000-4200Pa | |
| Service Area | 0.5-0.8m2 | 0.2-0.64m2 | 0.25-1.0m2 | 0.4-1.5m2 | |
| Service Life | >5year | >5year | >5year | >5year | 
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Contact Person: Mrs. Lisa
Tel: 138-6151-5998
Fax: 86-510-87975997