Disk Air Diffuser (Φ260mm) – High-Efficiency Fine Bubble Aeration (10-Pack)
Brand Chemical Supplies provides technical aeration solutions for the municipal, industrial, and agricultural sectors. This 10-pack of Φ260mm Disk Air Diffusers is engineered for high-oxygen transfer efficiency in wastewater treatment and intensive aquaculture. With a rated airflow of 3m^3/h$ these diffusers provide the consistent, fine-bubble aeration required to maintain optimal dissolved oxygen levels in high-demand environments.
Technical Specifications
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Diameter (Φ): 260mm (10 inches).
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Airflow Rate: 3m^3/h (Operating range: 1.5 – 5m^3/h per disk).
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Membrane Material: High-grade EPDM (Ethylene Propylene Diene Monomer).
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Support Dish Material: Reinforced PP (Polypropylene).
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Connection: 3/4″ NPT or BSP male thread.
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Bubble Size: Fine bubble (1mm – 3mm).
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Oxygen Transfer Efficiency (SOTE): >25\% – 40\% (depending on water depth).
Key Features & Benefits
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High Oxygen Transfer: The precision-perforated EPDM membrane produces a dense cloud of micro-bubbles, maximizing the surface area-to-volume ratio for superior oxygen absorption.
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Anti-Clogging Design: The flexible membrane features an integrated check-valve effect. When air pressure is removed, the slits close tightly, preventing water or sludge from entering the air distribution piping.
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Durability & Longevity: Built with UV-resistant materials and a high-tensile membrane, these diffusers are designed for continuous submersion in aggressive municipal and industrial wastewater.
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Energy Efficiency: Low head loss (low pressure drop) ensures your air blowers operate at peak efficiency, reducing overall electricity consumption.
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Easy Installation: The standard $3/4″$ threaded connection allows for rapid mounting onto lateral PVC or stainless steel air headers.
Primary Applications
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Municipal Wastewater Treatment: Ideal for activated sludge tanks, aerobic digesters, and SBR (Sequencing Batch Reactor) systems.
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Industrial Effluent Treatment: Effective for aeration in food and beverage, textile, and paper processing plants.
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Intensive Aquaculture: Critical for maintaining life-sustaining oxygen levels in high-density fish and shrimp farming ponds or tanks.
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Gray Water Systems: Enhancing biological treatment in small-scale decentralized water reclamation projects.
Maintenance & Performance
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Self-Cleaning: The expansion and contraction of the membrane during operation helps shed biofilm and mineral scale.
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Testing: Each unit is factory-tested for uniform bubble distribution.
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Replacement: While the support dishes are permanent, the EPDM membranes are replaceable, ensuring a long-term, low-cost maintenance cycle.
Contact our water treatment team today to secure your 10-pack of Φ260mm Disk Air Diffusers and optimize your system’s aeration efficiency.









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