Audited Supplier
1.Reverse folding structure.
2.Non-return design preventing liquid from flowing back into the aeration system. 3.EPDM Membrane, Anti-aging, corrosion resistance, acid and alkali resistance. 4.Very fine bubble, reducing the shearing to sludge particles.
5.Unique connector between diffuser disc and air pipeline,stronger connection, better sealing, avoiding the loosening of the connection due to the vibration.
6.More colors for choice.
| Material | ABS+EPDM | ABS+Silicone | ||||
| Specifications | D215 | D270 | D330 | D215 | D215 | D330 |
| Outer diameter(mm) | 215 | 270 | 330 | 215 | 270 | 270 |
| Membrane diameter(mm) | 185 | 240 | 300 | 185 | 240 | 240 |
| Membrane thickness(mm) | 2 | 2 | 2 | 2 | 2 | 2 |
| Hole diameter(μm) | 80-100 | 80-100 | 80-100 | 80-100 | 80-100 | 80-100 |
| Hole No.s | 4000 | 6500 | 9500 | 4000 | 6500 | 6500 |
| Air flow range (Nm3/h) | 0-4 | 2-5 | 2-9 | 0-4 | 2-5 | 2-9 |
| Average air flow at 4m (Nm3/h) | 2 | 3 | 4.25 | 2 | 3 | 4.25 |
| Oxygenation capacity(KgO2/h) | 0.15-0.4 | 0.3-0.5 | 0.3-0.55 | 0.15-0.4 | 0.3-0.5 | 0.3-0.55 |
| Oxygen utilization(%) | 22-40 | 31-59 | 35-59 | 22-40 | 31-59 | 35-59 |
| Working depth(m) | 4-8 | 4-8 | 4-8 | 4-8 | 4-8 | 4-8 |
| Service area(m3/h/pcs) | 0.3-0.65 | 0.4-0.8 | 0.5-1.0 | 0.3-0.65 | 0.4-0.8 | 0.5-1.0 |
| Max. Working temperature(ºC) | 80 | 80 | 80 | 80 | 80 | 80 |
| Weight(g) | 434.2 | 632.1 | 879.3 | 434.2 | 632.1 | 879.3 |
bubble aeration
Qiankun Environmental Protection Joint Stock Co., Ltd, located in Xinxiang, Henan province, we are specialized in wastewater treatment equipment manufacture, such as aeration system, filtering system, sludge dewatering system, DAF system and MBR system. We also offer a one-stop service for all kinds of waste water treatment project, such as designing, fabrication, installation, commissioning, and after-sale service. Qiankun is professional & experienced in pulp & paper, printing & dyeing, chemical fiber, chemicals, leather, breeding and various kinds of industries and municipal sewage treatment projects. We also gained a global sales network reaching India, Egypt, Nigeria, Indonesia, Philippines, Vietnam, Thailand, Malaysia, Russia, Ethiopia, Argentina, Myanmar, etc.
