Single-stage fore-vacuum rotary vane pumps of the Pascal series with a productivity of 5 and 15 m3 / h have a built-in check valve, which guarantees the tightness of the pump. As with all products, the Pascal series rotary vane backing pump is designed for maximum reliability and minimum maintenance. External seals can be easily replaced without disassembling the pump, and the pump can be serviced directly on site using a standard set of spare parts. A wide range of accessories are available for perfect pump performance, such as oil filters, oil mist separators, sorption traps and dust filters.