RUVAC WSU 501 vacuum pump. Technical specifications, price, availability and product images should be reviewed before publishing.

The RUVAC WSU 501 is a Roots-type vacuum booster pump designed to increase pumping speed in rough, medium, and high-vacuum systems. It is used together with a backing pump to improve evacuation performance and reduce pump-down times. The WSU version includes a pressure balance configuration, allowing more flexible operation across a wider pressure range.