S-VSA ( TWISTER )   Capacity at 50 Hz :    105 - 650 m³/hr   Capacity at 60 Hz :    135 - 720 m³/hr (79.5-424 cfm)   Continuous vacuum:   Up to 0.05 mbar (abs.) /    29.92 in.HgV     S-VSB ( TWISTER )    Capacity at 50 Hz :     80 - 500 m³/hr    Capacity at 60 Hz :     100 - 650 m³/hr (59-383 cfm)    Continuous vacuum:    Up to 0.05 mbar (abs.) /     29.92 in.HgV

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