| Customization: | Available |
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| After-sales Service: | Online Support |
| Warranty: | 1 Years |
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Fine bubble diffuser is an important equipment for aeration and oxygenation of water supply and drainage, which is suitable for municipal sewage, industrial wastewater and other sewage treatment. The disc microporous fine bubble diffuser is equipped with a check valve, which can prevent the sewage from flowing back when the gas stops; the diaphragm has a long service life, which can be used for 5-8 years; the design is simple, the price is low, and the cost performance is high.
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Model
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φ215mm
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φ260mm
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φ300mm
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Size
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8 inch
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9 inch
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12 inch
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Bubble size
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1-2mm
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1-2mm
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1-2mm
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Working air flow (m3/h)
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1.5-3
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2-5
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2-8
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Designed air flow(m3/h)
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2
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3
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4
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Service area(m2/piece)
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0.25-0.45
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0.35-0.65
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0.45-0.75
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Oxygen utilization ratio(%)
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>30
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>30
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>30
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Oxygenate capability(kgO2/h)
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0.13-0.35
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0.18-0.45
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0.25-0.5
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Water submerged depth(m)
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4-8
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4-8
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4-8
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Theoretic dynamic efficeny(kgO2/kw.h)
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6.5
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6.5
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6.5
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Drag loss(pa)
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<3000
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<3000
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<3000
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Material
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EPDM/silicon membrane
ABS support plate
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EPDM/silicon membrane
ABS support plate
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EPDM/silicon membrane
ABS support plate
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Shape
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Arch type
Flat type
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Arch type
Flat type
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Arch type
Flat type
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Connection
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3/4 NPT male thread
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3/4 NPT male thread
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3/4" NPT male thread
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| 8inch disc fine bubble diffuser | ||
| Material of Membrane | EPDM | Silicone rubber |
| Thickness of membrane | 2.0mm±0.1mm | 2.0mm±0.1mm |
| Effective diffusion area | 0.045m2 | 0.045m2 |
| Openings/pc | about 6500 openings | about 6500 openings |
| Diameter of bubble | 0.8mm-1.5mm | 1.0mm-1.8mm |
| Lifetime of membrane | >6yrs | >6yrs |
| Standard volume of aeration | 2.5m³/h-4.0m³/h | 2.5m³/h-4.0m³/h |
| Aeration range | 1.5m³/h-7.0m³/h | 1.5m³/h-7.0m³/h |
| Resistance loss | 2.0kPa-4.3kPa | 2.0kPa-4.0kPa |
| Standard oxygen transfer rate (depth of water:6m) |
≥38% | ≥36% |
| Standard oxygenation capacity | ≥0.37kgO2/h | ≥0.34kgO2/h |
| Theoretical power efficiency | ≥9.0kgO2/kw.h | ≥8.9kgO2/kw.h |
| Service aera | 0.25m2/pc-1.0m2/pc | 0.25m2/pc-1.0m2/pc |
Advantage of bubble diffuser
1.Anti-blocking, anti-intrusion
2.High tear resistance
3.Uniform gas distribution, energy saving and high efficiency
4.Anti-aging, anti-corrosion
5.Low resistance loss
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Package Type
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By carton and pallet
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Shipment terms
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FOB, CIF, CFR
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Port
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Shanghai, Tianjin
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Delivery time
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Within 3~5 working days after receipt or your payment
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Bubble Type
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Coarse Bubble
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Fine Bubble
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Fine Bubble
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Fine Bubble
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Fine Bubble
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Size
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6 inch
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8 inch
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9 inch
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12 inch
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675*215mm
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MOC
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EPDM/Silicone/PTFE - ABS/Strengthened PP-GF
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Connector
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3/4''NPT male thread
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Membrane Thickness
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2mm
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2mm
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2mm
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2mm
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2mm
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Bubble Size
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4-5mm
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1-2mm
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1-2mm
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1-2mm
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1-2mm
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Design Flow
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1-5m3/h
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1.5-2.5m3/h
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3-4m3/h
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5-6m3/h
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6-14m3/h
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Flow Range
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6-9m3/h
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1-6m3/h
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1-8m3/h
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1-12m3/h
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1-16m3/h
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Application of EPDM diffuser membrane disc air fine bubble aeration diffuser
1.Aeration of fishpond and other applications
2.Aeration of deep aeration basin
3.Aeration for excreta and animal wastewater treatment plant
4.Aeration for denitrification/dephosphorization aerobic processes
5.Aeration for high concentration wastewater aeration basin,and aeration for regulating pond of wastewater treatment plant
6.Aeration for MBBR reaction basin,contact oxidation pond;activated sludge aeration basin in sewage disposal plant
Hebei Qinghui Plastic Products Co,Ltd was established in 2012, is specialized in water treatment products. Qinghui provides professional personalized fine bubble diffuser, tube settler and Mbbr media for customers.We offer OEM manufacturing with high reliability and stability of performance, efficient and effective satisfaction of our clients. Let our products be the best choice of your solution.
All of we pursuit is to be a most reliable, trustable and competitive supplier to worldwide customers who are sourcing products from China.
Q: Whether your company is factory or trading company?
A: Our company has its own workshop, so we can provide the the best quality and the lowest price for you.
Q: What's the material of your membrane?
A: We can provide three kinds of membrane materials, including EPDM, PTFE and Silicone. The raw materials are 100% imported from
Germany.
Q: What about the slit quantity of membrane?
A: 8 inch(≥6500), 9 inch(≥8500), 12 inch(≥11000).
Q: What about the MOQ?
A: 10 pieces.
Q: What are the accessories of fine bubble diffuser?
A: Aerator pipe, Horizontal regulating support, Connector, saddle, etc.
Q:Any samples can be provided?
A: Yes. Samples within 2 pieces can be provided for free.
Q: What is your terms of delivery?
A: Normally within 7~10 days against down payment
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