Pdm Rubber Aeration Disc - Corrosion-Resistant Fine Bubble Diffuser for Activated Sludge Systems

• After-sales Service: Yes
• Warranty: Half Years
• Type: Aerators
• Model NO.: DUBHE-12inch
• Method: Physical Treatment
• Usage: Industrial, Agriculture, Hospital
• Material: EPDM
• Active Surface Area (M2): 0.065
• Size (Inch): 12inch
• Design Flow(M3/Hr): 4.0-8.3
• Membrane Thickness(mm): 2
• Specification: 12inch
• Trademark: DUBHE
• Origin: China
• HS Code: 8421299090

Product Description

Product Description

Our premium Fine Bubble Aeration Discs are engineered to deliver superior oxygen transfer efficiency and long-lasting performance in municipal and industrial wastewater treatment systems. Designed with durable EPDM or silicone membranes, these discs generate 0.1-2mm micro-bubbles for maximum gas-liquid contact, ensuring optimal biological oxygen demand (BOD) removal and energy savings of up to 40% compared to conventional aeration systems.

Technical Parameters

Parameter	Model 215 Membrane Diffuser	Model 260 Membrane Diffuser	Model 300 Membrane Diffuser
Design Airflow	1.5-3 m³/h/pc	2-5 m³/h/pc	2-8 m³/h/pc
Service Area	0.3-0.65 m²/pc	0.4-0.8 m²/pc	0.5-1.0 m²/pc
Oxygen Transfer Efficiency (OTE)	22-40%	31-59%	35-59%
Oxygenation Capacity	0.13-0.40 kgO/m³/h	0.21-0.40 kgO/m³/h	0.21-0.40 kgO/m³/h
Submergence Depth	4-8 m	4-8 m	4-8 m
Operational Airflow	1.0-2 m³/h/pc	2-3 m³/h/pc	3-4.25 m³/h/pc
Bubble Diameter	0.9-1.0 mm	0.9-1.0 mm	0.9-1.0 mm
Acid/Alkali Resistance	Moderate	Moderate	Moderate
Oil Resistance	Moderate	Moderate	Moderate

Company Profile

Shanghai DUBHE Environmental Protection Technology Co., Ltd.

As a leading manufacturer and solution provider in the wastewater treatment industry, DUBHE specializes in the R&D, production, and global supply of high-performance environmental equipment. Our product portfolio covers:
Aeration Systems: Including premium U.S. SSI aeration devices for efficient oxygenation.
Blowers & Compressors: Energy-efficient solutions for wastewater aeration.
Sludge Dewatering Equipment: Centrifuges, belt presses, and screw presses for reduced sludge volume.
Solid-Liquid Separation: DAF (Dissolved Air Flotation) units, screens, and filters.
Biofiltration Technologies: Advanced biological media and biofilm carriers.

Why Choose DUBHE?
High-Tech Innovation: Our Wuxi Yixing production base integrates cutting-edge manufacturing with strict quality control. End-to-End Solutions: From design to after-sales support, we serve municipal and industrial sectors worldwide.Customer-Centric Approach: Continuous improvement driven by market needs and sustainable design principles.
Committed to Excellence – For Cleaner Water, For a Greener Future.

FAQ

Q: What's the lead time for orders?
A: Standard models ship in 15–30 days; customized units require 30–45 days.
 
Q: Do you provide after-sales service overseas?
A: Yes, we have the best service.
 
Q: Can I request a customized  size?
A: Absolutely! We offer tailored attachments.
 
Q: What documents do you provide for export?
A: Full export package (Commercial Invoice, Packing List, Bill of Lading, COC, etc.).
 
Q: How do I place an order?
A: Contact us via email/phone for a quote, then confirm with a PO.