SHANGHAI DUBHE ENVIRONMENTAL PROTECTION&TECHNOLOGY CO.,LTD
| Membrane thickness | 2mm |
| Material | EPDM |
| Hole quantity | 3500 |
| SOTE(%) | 22-59 |
| Air Consumption | 0.2-0.6m3/min |
| Shape | Disc |
| Service Area | 0.5-1.0㎡/pcs |
| Bolt Length | 9inch |
| Air Flow Rate | 0.5-2.0 cubic feet per minute |
| Includes | Two (2) bolts |
| Model | FBD-9 |
| Bubble Size | 1-2 mm |
| Usage | Water Treatment |
| Plastics Tray | ABS |
| Feature | high oxygen transfer efficiency |
| Connector | 3/4 NPT |
| Sote | 35-59% |
| Mounting Type | Female threaded connection |
| Oxygen Transfer Rate | over 38% |
| Material Of Membrane | EPDM(silicon optional) |
| Membrane Material | EPDM |
| Sample | Free sample of bubble diffuser |
| Type | Disc |
| Service Life | >5 years |
| Weight | 0.5-1.2 Kg |
| Diameter | 200/270/340mm |
| Support Tube Diameter | 25mm |
| Roduct Name | saddle for diffusers |
| Hs Code | 8421999090 |
| Bubble Type | Micro |
| Brand Name | SSI |
| Model Number | DUDS |
| Certification | ISO |
| Place of Origin | South Korea |
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Product Specification
| Membrane thickness | 2mm | Material | EPDM |
| Hole quantity | 3500 | SOTE(%) | 22-59 |
| Air Consumption | 0.2-0.6m3/min | Shape | Disc |
| Service Area | 0.5-1.0㎡/pcs | Bolt Length | 9inch |
| Air Flow Rate | 0.5-2.0 cubic feet per minute | Includes | Two (2) bolts |
| Model | FBD-9 | Bubble Size | 1-2 mm |
| Usage | Water Treatment | Plastics Tray | ABS |
| Feature | high oxygen transfer efficiency | Connector | 3/4 NPT |
| Sote | 35-59% | Mounting Type | Female threaded connection |
| Oxygen Transfer Rate | over 38% | Material Of Membrane | EPDM(silicon optional) |
| Membrane Material | EPDM | Sample | Free sample of bubble diffuser |
| Type | Disc | Service Life | >5 years |
| Weight | 0.5-1.2 Kg | Diameter | 200/270/340mm |
| Support Tube Diameter | 25mm | Roduct Name | saddle for diffusers |
| Hs Code | 8421999090 | Bubble Type | Micro |
| Brand Name | SSI | Model Number | DUDS |
| Certification | ISO | Place of Origin | South Korea |
| High Light | Wastewater Treatment Disc Diffuser ，Disc Diffuser Aeration Performance ，Aeration Wastewater Disc Diffuser | ||
Self-Regulating Micro-Orifice Operation
The diffuser membrane's dynamic pores automatically expand during aeration, enabling optimal airflow. When deactivated, the smart pores contract to a fully sealed state, effectively preventing clogging from suspended solids - a revolutionary solution to chronic pore obstruction issues.
Integrated Anti-Backflow Protection
Our patented check valve system in the base plate:
• Instantly seals when air supply stops
• Blocks 100% of mixed liquor backflow
• Eliminates branch pipe clogging permanently
Breakthrough Maintenance-Free Design
Unlike conventional diffusers requiring 5μm pre-filtration, this system:
✓ Operates flawlessly with unfiltered air supply
✓ Withstands intermittent aeration cycles
✓ Solves three industry-wide failures:
Membrane tearing from over-expansion
Membrane failure to open
Biofouling-induced clogging
Engineering Superiority
These technological breakthroughs deliver:
• 10+ years maintenance-free operation
• 60% reduction in lifecycle costs
• Unmatched reliability in SBR/CASS systems
*Certified performance: NSF/ANSI 61, ISO 9001:2015*
Would you like to emphasize:
[1] Specific municipal wastewater applications?
[2] Comparative energy savings data?
[3] Installation case studies?
"Precision-engineered for extreme durability:
• Reinforced piping system with 38% increased wall thickness + dual support stands resists hydraulic/thermal fatigue
• Proprietary PTFE membranes maintain stable DWP (+/- 5%) while reducing energy consumption by up to 15% vs standard membranes"
Company Details
Business Type:
Manufacturer,Seller
Year Established:
2019
Total Annual:
10000000-20000000
Employee Number:
>100
Ecer Certification：
Verified Supplier
Shanghai DUBHE Environmental Protection Technology Co., Ltd. is a leading enterprise in the wastewater treatment market, providing comprehensive solutions and high-quality equipment. Our expertise covers a wide range of products, including various aeration devices (U.S. SSL), blowers, ... Shanghai DUBHE Environmental Protection Technology Co., Ltd. is a leading enterprise in the wastewater treatment market, providing comprehensive solutions and high-quality equipment. Our expertise covers a wide range of products, including various aeration devices (U.S. SSL), blowers, ...
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