Our fine bubble disc aerators are developed products, could run stably and have excellent aeration performance.
Disc aerator is mainly composed by membrane, frame, and base.
Easy installation with male thread connection, and pinboard clamp mounting.
model | PR-D215(7") | PR-D 270(9") | PR-D 330(12") |
Diaphragm material | EPDM (Ethylene propylene diene monomer) | silicon rubber | EPDM (Ethylene propylene diene monomer) | silicon rubber | EPDM (Ethylene propylene diene monomer) | silicon rubber |
Rubber diaphragm thickness | 2.0±0.1mm | 2.0±0.1mm | 2.0±0.1mm | 2.0±0.1mm | 2.0±0.1mm | 2.0±0.1mm |
Effective aeration area | 0.023㎡ | 0.023㎡ | 0.045㎡ | 0.045㎡ | 0.070㎡ | 0.070㎡ |
Number of single diaphragm holes | About 3500 | About 3500 | About 6500 | About 6500 | About 10000 | About 10000 |
Bubble diameter | 0.8-1.5mm | 1.0-1.8mm | 0.8-1.5mm | 1.0-1.8mm | 0.8-1.5mm | 1.0-1.8mm |
Service life of diaphragm | > 6 years | > 6 years | > 6 years | > 6 years | > 6 years | > 6 years |
Standard ventilation | 1.5-2.5m³/h | 1.5-2.5m³/h | 2.5-4m³/h | 2.5-4m³/h | 4-6m³/h | 4-6m³/h |
Ventilation range | 1-5m³/h | 1-5m³/h | 1.5-7m³/h | 1.5-7m³/h | 2.5-10m³/h | 2.5-10m³/h |
Resistance loss | 2.0-4.5kPa | 2.0-4.5kPa | 2.0-4.3kPa | 2.0-4.5kPa | 2.0-4.2kPa | 2.0-4.0kPa |
Standard oxygen transfer efficiency | ≥38%（6m water depth） | ≥36%（6m water depth） | ≥38%（6m water depth） | ≥36%（6m water depth） | ≥38%（6m water depth） | ≥37%（6m water depth） |
Standard oxygen capacity | ≥0.30kgO2/h | ≥0.28kgO2/h | ≥0.37kgO2/h | ≥0.34kgO2/h | ≥0.56kgO2/h | ≥0.52kgO2/h |
Theoretical dynamic efficiency | ≥9.1kgO2/KW.h | ≥8.9kgO2/KW.h | ≥9.0kgO2/KW.h | ≥8.9kgO2/KW.h | ≥8.9kgO2/KW.h | ≥8.8kgO2/KW.h |
Service area | 0.2-0.64㎡/individual | 0.2-0.64㎡/individual | 0.25-1.0㎡/individual | 0.25-1.0㎡/individual | 0.4-1.5㎡/individual | 0.4-1.5㎡/individual |
lProduct model: PR-D215/PR-D270/ PR-D330
lProduct diameter: 215mm/270mm/330mm
lDiaphragm material: EPDM/ silicone rubber
lSupport material: PP/ABS
lSupporting pipeline model: DN50/DN65/DN80/DN100
lMatching pipe buckle: DN20 thread connection, saddle shape integrated