Equipped with a powerful copper motor and high-precision bearings for effective rotor rotation. Ensures smooth operation, time savings, improved work efficiency, and reduced environmental pollution.● ● ● 120w-1500w regenerative blower, 110v/220v single phase, high-pressure vortex ring blower, industrial vacuum pump for air blowing or suction for sewage aeration aquarium fish pond. Widely used in manufacturing, textile, printing, food, aquaculture, water treatment. ● ● ● SPECIFICATION: Name: Regeneration blower Material: aviation aluminum Color: silver Voltage: 110V/220V Frequency: 50HZ Phase: single phase Motor speed: 2980rpm/min Installation method: horizontal or vertical installation ● Power:120w Voltage:110V/220V Maximum air volume:29m³/h Maximum air pressure:8kPa Maximum suction pressure:7.2kPa Noise:46dB Aeration water depth:No more than 0.6m Number of sand heads: 8~16 ● Power: 370w Voltage: 110V/220V Maximum air volume: 80m³/h Maximum air pressure: 12kPa Maximum suction pressure: 11kPa Noise: 53dB Aeration water depth: no more than 0.8m Number of sand heads: 13~23 ● Power:550w Voltage:110V/220V Maximum air volume:85m³/h Maximum air pressure:14kPa Maximum suction pressure:13kPa Noise:55dB Aeration water depth:No more than 0.9m Number of sand heads: 16~24 ● Power:750w Voltage:110V/220V Maximum air volume:145 m³/h Maximum air pressure:21 kPa Maximum suction pressure:20 kPa Noise:63dB Aeration water depth:No more than 1m Number of sand heads: 22~36 ● Power:1.1kw Voltage:110V/220V Maximum air volume:210 m³/h Maximum air pressure:24 kPa Maximum suction pressure:22 kPa Noise:64dB Aeration water depth:No more than 1.1m Number of sand heads: 35~55 ● Power:1.5kw Voltage:110V/220V Maximum air volume:210 m³/h Maximum air pressure:27kPa Maximum suction pressure:24 kPa Noise:64dB Aeration water depth:No more than 1.1m Number of sand heads: 38~58