Product Name: M Series Roots Blower (3-Lobe) Model NO.: M series Certification: CE, ISO Type: Roots Type Pressure Medium: Gas Max.Capacity: 500m3/Min Max.Head: 98kpa Color: Blue Material: Casting Iron Impeller: 3-Lobe Connect: Belt or Direct Drive Drive: Motor Trademark: greentech Transport Package: Wooden Case Specification: 50~300 Origin: China HS Code: 8414 Product Description Greentech International (Zhangqiu) Co., Ltd is the professional roots blower supplier. Series M Roots Blower (also called Positive Displacement Blower - PD Blower, or Rotary Blower) with tri-lobe are heavy duty style new products which technology is from America. It is the replacement for Duroflow models of Gardner Denver, RAM/RCS models of Dresser Roots, and RBS models of Robuchi.Features:Low noise tri-lobe rotorNoise-reduction know-how application for casingIntegral-shaft ductile iron impellorsDual splash lubricationOver sized cylindrical roller bearingsHardened teeth face for precision helical timing gear, taper-lock shaft mountingVersatile configurationPiston ring air sealsLip type viton oil sealsAir coolingAutomatic belt tensioner and integrated discharge silencer base frame application for the blower package.Duty:Pressure to 103 KPa / Vacuum to -51 KPaFlow: 4.4~102.8m3/minApplication:Widely used in waste water treatment, petro-chemical, cement, power, metallurgy and pneumatic conveying diverse industries.