JZJX series Roots rotary vane system is a suction system, which adopts ZJ Roots pump as the main suction pump, the single or double stage rotary vane as the backing pump. This system has a high vacuum percentage and a wide range of pumping speed, it is to be used to suction dry and clean gas. With gas ballast equipment, this system can also suction gas with a few amount of vapor. This system has been widely used in many industries such as metallurgy, chemical, light industry, petroleum, pharmaceutical, printing, electric appliances, electric vacuum, semi-conductor, food, atomic energy, textile and so on.

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