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JZJD series Roots-screw vacuum unit is a dry vacuum unit composed of ZJY type Roots pump as the main shaft pump and VDP series variable pitch screw vacuum pump as the front stage pump. Compared with a single variable pitch vacuum pump, the JZJD series Roots-screw vacuum unit is more energy efficient and the unit can operate at a lower ultimate pressure and can obtain a larger extraction rate.
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No. 6, Huacheng Road, Yucheng Town, Boshan , Zibo