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 | High Oxygen Transfer disc diffuser ，Aeration Performance disc diffuser | ||
Reinforced Membrane Locking System
The diffuser cover features a downward-protruding rim with multiple locking bars positioned beneath the extension and within the support coil groove. Utilizing a thickened 10mm diameter membrane cord, the assembly process involves lifting the cover to securely fasten the membrane into the support disc's groove. The integrated ribs interlock with the internal rubber membrane, creating a dual sealing mechanism that completely prevents membrane detachment.
Enhanced Structural Design
Thread root reinforcement prevents fracturing under cyclic loading
Optimized airflow channel geometry increases gas passage area by 30%
Precision chamfering at all critical angles reduces operational pressure loss by 15-20%
Anti-Creep Retention Mechanism
Six L-shaped clamping bars arranged radially around the diffuser cover:
• Counteract long-term plastic deformation from membrane expansion pressure
• Maintain constant sealing force throughout operational cycles
• Eliminate membrane slippage even under continuous dynamic loading
"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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