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HMD | Diameter 200mm | Diameter 275mm | Diameter 340mm |
Service area | 0.15-0.6m2 | 0.25-0.8m2 | 0.4-1.3m2 |
Air flow | 1-3.8 m³/h | 1.5-5.5 m³/h | 0.4-1.3m2 |
Oxygen utilization | 27%-38% | 27%-38% | 27%-38% |
Resistance loss | 1700-2500 pa | 1600-2700 pa | 1500-3000 pa |
Temperature | 0-80℃ | 0-80℃ | 0-80℃ |
Membrane thickness | 2±0.1mm | 2±0.1mm | 2±0.1mm |
Perforation quantity | 4400 | 6600 | 11440 |
Perforation size | 1mm | 1mm | 1mm |
Bubble size | 1-2mm | 1-2 mm | 1-2 mm |











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