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Brand Name : HOLLY
Model Number : HLBQ
Certification : CE Certificate, IOS 9001
Place of Origin : China
MOQ : 5Pcs
Price : USD 3-8.5 per pcs
Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability : 10000pcs per month
Delivery Time : 20 working days
Packaging Details : wooden case
Product name : Fine Bubble Disc Diffuser
Flow Range : 1-12m3/h
Application : Water Treatment
Color : Black
customized : available
Size : 9 inch
Fine Bubble Membrane Disc Diffuser With Silicon For Water Treatment
Product Description
We offer an integrated and optimised triple check valve that effectively prevents the
backflow of wastewater into the piping and diffusers. There are actually several options for
perforation that efficiently transfers oxygen and optimises pressure drop.
Generally, the disc diffuser works to provide solutions to problems and concerns in waste
water treatment facilities. It is mainly applied for the aeration of municipal waste water and
other restricted industrial waste water.
The materials used in the manufacture of disc diffusers are meticulously studied and applied
to potentially respond to waste water issues.
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 | 
Disc Diffuser Designs
 
Precision Die Cut Openings
For optimum performance and efficiency, the flexair disc diffuser offers accuracy when it
comes to its die cut openings. A high oxygen transfer may be obtained through its adjustable
operating pressure based on the client’s specifications. There are relatively several slit
patterns that varies according to number, length, and spacing.
Features
1.Simple structure, ease of installation
 
2.Tight sealing without air leakage
 
3.Maintenance-free design, long service life
 
4.Corrosion resistance and anti-clogging
 
5.High oxygen transfer efficiency
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