Features:● Impeller profile: unique three-blade CONCH profile, small air flow pulsation, high volumetric efficiency, high efficiency, energy saving, low noise and micro vibration;● Transmission mode: belt, direct connection;● Inlet and Outlet: Unique diamond-shaped inlet structure, smooth air intake;● Gear: Five-level precision gear, high transmission accuracy, low noise;● Oil tank: single / double oil tank structure is optional, flexible ;configuration;● Cooling: air-cooled and water-cooled universal, can be switched conveniently;● Material: Special anti-corrosion material, titanium plating, stainless steel, Teflon;● Body layout: traditional layout,compact dense type.