Warranty: | 1yr |
---|---|
Type: | Aerators |
Method: | Physical Treatment |
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Item | Unit | Value |
Hardness (Shore A) | 55-60/85-87 | |
Tensile strength | Mpa | 17 |
Tear breakage elongation, min. | % | >650 |
Tear strength | N/m | >1.7*104 |
Resilience | % | >45 |
Mode | PR-D270(9") | |
Material of Membrane | EPDM | Silicone rubber |
Thickness of membrane | 2.0mm±0.1mm | 2.0mm±0.1mm |
Effective diffusion area | 0.045m2 | 0.045m2 |
Openings/pc | about 6500 openings | about 6500 openings |
Diameter of bubble | 0.8mm-1.5mm | 1.0mm-1.8mm |
Lifetime of membrane | >6yrs | >6yrs |
Standard volume of aeration | 2.5m³/h-4.0m³/h | 2.5m³/h-4.0m³/h |
Aeration range | 1.5m³/h-7.0m³/h | 1.5m³/h-7.0m³/h |
Resistance loss | 2.0kPa-4.3kPa | 2.0kPa-4.0kPa |
Standard oxygen transfer rate (depth of water:6m) |
≥38% | ≥36% |
Standard oxygenation capacity | ≥0.37kgO2/h | ≥0.34kgO2/h |
Theoretical power efficiency | ≥9.0kgO2/kw.h | ≥8.9kgO2/kw.h |
Service aera | 0.25m2/pc-1.0m2/pc | 0.25m2/pc-1.0m2/pc |
Model | PR-D215 | PR-D270 | PR-330 |
Weight/Set | 0.49kg | 0.68kg | 0.96kg |
Weight/Carton | 17.5kg | 18.5kg | 24kg |
Pcs/Carton | 34 | 26 | 24 |
Ball Check Valve | Non | Non | For DN80 Pipe |
Material of Support Base | Reinforced PP | ABS | ABS |
Outer Diameter of The Support Base | 225 | 270 | 330 |
Specification of Connection Part | DN20 Screw Connector | ||
Pipes Applied To | DN50~DN100 | ||
Holder | Wedged Holder | ||
Material of Holder | ABS |