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| Customization: | Available |
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| After-sales Service: | Online Support |
| Warranty: | 1year |
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Product Overview
2. The diaphragm adopts an inherent check valve design - thickened center without holes. When the air supply is turned off, the center of the diaphragm falls back on the holes of the pallets under the action of water pressure and the diaphragm's own elasticity, while the unperforated area just covers the air release holes, just like a check valve can prevent the liquid from backflowing into the aeration system.
3. The diaphragm is made of imported EPDM rubber, which is anti-aging, corrosion resistant, acid and alkali resistant and durable. The connection between the aerator and the pipeline adopts a unique connection method, which makes the pipeline connection more solid and has better sealing performance, and can effectively avoid the loosening of the connection parts due to the vibration generated during the aeration work.
| 9 Inch EPDM Membrane Tube Diffuser Fine Bubble Disc Diffuser Aeration | ||||||
| Model | φ215mm | φ270mm | φ330mm | |||
| Diaphragm material | EPDM | Silicone rubber | EPDM | Silicone rubber | EPDM | Silicone rubber |
| Service area | 0.3-0.65m2/h▪pc | 0.4-0.8m2/h ▪pc | 0.5-1m2/h | |||
| Number of individual diaphragm holes | Approx. 4,000 | Approx. 6500 | Approx. 9500 | |||
| Air bubble diameter | 1-2mm | |||||
| Diaphragm service life | >5 years | |||||
| Working ventilation capacity | 1-3m³/h | 2-4m³/h | 4-8m³/h | |||
| Oxygen utilization rate | ≥35% | |||||
| Oxygen filling capacity | ≥0.27kg/h | ≥0.35kg/h | ≥0.52kg/h | |||
| Hardness(Shore A) | 43 | |||||
| Tensile strength | 14.6Mpa | |||||
| Tensile elongation % | 653 | |||||
| Tear strength | 32.0kN/m | |||||
| Resilience/% | ≥40 | |||||



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