The VFI is based on the principle of vortex shedding behind a bluff body

DDA 30-4 FC-SS/T/SS-F-31AAFG The SMART Digital DDA is a compact positive displacement

due ingressi digitali dedicati

Pressure valves are installed either directly on the pump discharge side

Multi-stage submersible pump designed for pumping of chemically polluted groundwater

tpd 50 140 4 a f a bqqe hw3 98742918 The VFI is based onSingle stage, close coupled, volute twin head pump with in line suction and discharge ports of identical diameter. The twin head pump is designed with two parallel power heads. The pump is of the top pull out design, i. e. the power head (motor, pump head and impeller) can be removed for maintenance or service while the pump housing remains in the pipework. Each power head is fitted with an unbalanced rubber bellows seal. The shaft seal is according