... :Centrifugal circulation design.High pressure, big wind power, air amortize design.High efficiency ΥAdvantage:Oil Free Compact ... equipment, film machinery, paper transporting, colthes dry-cleaning, rinsing, air cleaning, pneumatic conveying, material conveying, collection and so on. ... Model FrequencyHzVoltage(V)Power Max Flow (m³/h)Max Vacuum (mbar)Max Pressure (mbar) ...