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

Fieldbus control (GENIbus prepared for Grundfos CIU fieldbus modules)

Each power head is fitted with a fan-cooled

manual bleed valve

The motor is for star-delta starting (Y/D)

cm 25 1 a r i v avbv c1 a a n 92889759 The VFI is based onCompact, reliable, horizontal, multistage, end suction centrifugal pump with axial suction port and radial discharge port. Pump materials in contact with the liquid are in stainless steel. The mechanical shaft seal is a special designed, unbalanced O ring seal. Pipework connection is via internal Whitworth pipe threads, Rp (ISO 7 1). The pump is fitted with a 1 phase, foot mounted, fan cooled asynchronous motor.