Customization: | Available |
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After-sales Service: | Online Support |
Warranty: | 1year |
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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 |