The SZB water ring vacuum pump is suitable for suction of air or gases that are not soluble in water, free of solid particles, and non-corrosive, achieving a maximum vacuum of up to 85%. It is particularly well-suited for large-scale pump water intake.

The SZB water ring vacuum pumps currently manufactured in this model include: SZB-4, SZB-8. The number 4 (8) indicates the air volume (liters/second) when the shuiyin column height is 520 millimeters.