Product Description: The Leading expert in oil-less vane pump technology new-quieter operation and longer service life. • Main Features: - Special Carbon Graphite Propeller can automatically turn around, even without supply of oil, therefore, loss due to friction is very low and can stand for long hours operation. - Direct connection between pump and motor assembly makes the machine compact and easy to install. - High speed propulsion, makes machine operation sommther so that in whatever applications, such as air draft or drain, there is absolutely no fear of oil pollution. - DS oil less pump is very easy to repair and maintain so that save a lot of maintenance labors and cost. • Applications: suited for various automation machinery, such as electronic, packing, printing, circuit board paper processing, and paper processing, and paper money counter. • FEATURES: Adoptes of outer box type, and moveable two blades, auto sucking lubricating oil, reduced friction wastage, retain high vacuum degree for long time, high efficiency, little dimension and power. • Applications: Vacuum drying, shrinkage, filting, evaporation, deaerating, conveying, testing, drug manufacturing and food stuff etc.