Wet and Dry Well Submersible
The first Wallwin submersible pumps were sold under license with Robot as Wallwin Robot pumps. Typical model designations were: HW2030-6 and HW3000-4. These were superseded when Biwater acquired the product line and launched a complete range of wet and dry well pumps for both safe and hazardous area operation, typical model designations were; VPFN222-040-4, VP3-110-6.
