Pressure up to 1000 mbar ( double stage roots blower can reach to 2000 mbar) Vacuum from (-100) mbar to (-800) mbar. Flow capacity up to 800 m3/min ( 48000 m3/min) Workable for air ( roots air blower), gas ( gas blower, gas compressor), steam ( steam compressor, vapor compressor, mvr blower ). Roots blower have two type, one is twin lobe roots blower, the other is tri lobe roots blower. Our tri lobe also called three lobe roots blower, the capacity can reach to 198.1 m3/min (11886 m3/hr), if you need higher flow capacity, then our twin lobe roots blower will be your choice, its flow capacity can reach to 800 m3/min, that is 48000 m3/hr