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SSI Retrievable Aerator - One to Six -

MODEL:ECD
Size(inch): 215/270/330mm
Materials:EPDM/PTFE
Active Surface Area(m2):0.0225/0.0375/0.065
Design Flow (m³/hr): 0.5-8.3
Membrane Thickness(mm): 2
Hole Size: 1/2mm
Slit Quantity: 3900-10155
SOTE(%)(4.5m Water Depth): 22-59
Drag Loss(Pa): 1285-4400
Service Life(year): ≥5

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  The 1-to-6 "Wang"-shaped retrievable aeration disc is an innovative configuration product of Shanghai Dubhe Environmental Protection's retrievable aeration system. It adopts a "Wang"-shaped frame structure design, with a single unit integrating 6 aeration discs, stably connected to the system through adapted saddle connection methods (such as QTS saddle, threaded clamp saddle, etc.). Its core highlight lies in the retrievable structure — using the branch air riser as a lifting device, the entire aeration unit can be directly lifted out of the water without draining the tank, enabling thorough cleaning, quick inspection, and convenient replacement, ensuring the system remains in optimal operating condition continuously. All underwater components are made of stainless steel supports with excellent corrosion resistance, paired with high-quality aeration membranes, producing fine and uniform bubbles with high oxygen utilization, which can adapt to complex sewage environments and significantly extend the service life of the equipment.

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  1. No shutdown for operation and maintenance:No need for drainage or shutdown during inspection or replacement, avoiding economic losses caused by production halts and ensuring the continuous and stable operation of the wastewater treatment process.

  2. Flexible and efficient installation:Can be directly added to the existing fixed aeration system at the bottom of the tank without removing old equipment, significantly shortening the construction period and reducing renovation difficulty.

  3. Simple maintenance operation:The aeration unit can be lifted out of the tank as a whole for maintenance, without interfering with the normal operation of other treatment units in the tank, improving operation and maintenance efficiency.

  4. Durable and reliable structure:Underwater components are supported by stainless steel, which is sturdy and corrosion-resistant, suitable for various sewage scenarios with a long service life.

  5. Uniform and efficient aeration:The "Wang"-shaped layout makes the distribution of aeration discs more reasonable with a wider coverage, improving oxygen transfer efficiency and ensuring stable wastewater treatment effect.

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  Widely used in municipal wastewater treatment plants, industrial wastewater treatment (such as chemical, textile, food and other industries), river and lake remediation, etc. It is particularly suitable for medium and large-scale wastewater treatment projects that require frequent maintenance, standard upgrading, retrofitting or new construction. It can effectively meet the aeration needs of large-flow wastewater treatment and improve the overall operational stability and efficiency of the system.

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