Item | | φ65*500mm | φ65*750mm | φ65*1000mm | |||
Spec. φ*L mm | | 65*500mm | 65*750mm | 65*1000mm | |||
Oxygen transfer efficiency | Water Depth 5m | 23-32% | | | |||
| Water Depth 6m | 34-39.5% | | | |||
| Water Depth 7m | 31-45% | | | |||
Ventilatory volume (m3/h) | | 1.7-6.8 | 3.4-13.6 | 3.4-17 | |||
Service area | | 0.82-1.26m2 | 0.98-2.11m2 | 0.98-2.35m2 | |||
Number of holes | | 8080 | 10300 | 13880 | |||
Bubble diameter | | 0.8-2.0mm | | | |||
Pressure loss | | 25-42cm | 25-41.5cm | 25-40cm | |||
Oxygenation capacity | | Micropore: 7.5kgO2/kw.h(under 5m of water); Pore:3.5-4.8kgO2/kw.h(under 5m of water) | | | |||
Extension ability | | >600% | | | |||
Tension strength | | >13.8*103kpa | | |