... . 2.SKF bearing roots blower. 3.Low noise roots blower. 4.Passed ISO9000 certification Product types:(1)Roots Blower:MFSR40, MFSR50, MFSR65 ... 20m3/min Pressure: 9.8kpa-73.5kpa(3)High-Pressure Roots Blower: MFSR50H, MFSR65H, MFSR80H, MFSR100H, MFSR125H, MFSR150H, MFSR175H ... waste water treatment, aquaculture, pneumatic transport, vacuum packing, oxygen generation, etc. 14.Oil tank: after milling they ...