The BSJ series direct coupling roots vacuum pump is a type of vacuum pump that operates using a roots blower mechanism. It is designed for various industrial applications and comes in different pumping speeds to meet specific needs. The BSJ series direct coupling roots vacuum pump is a reliable and efficient vacuum pumping system designed for industrial use. With its robust construction and direct coupling design, it offers excellent performance and durability. This vacuum pump is available at multiple pumping speeds to cater to a wide range of applications.