Wilo-SiBoost Smart (FC) Helix V RBI

Highly efficient water-supply unit ready for connection (non self-priming). With 2 to 4 vertically arranged glanded stainless steel high-pressure multistage centrifugal pumps from the Helix V RBI series connected in parallel, including Smart Controller SC (available with and without frequency converter FC).

• 2-4 pumps per system of the Helix V RBI 4 to Helix V RBI 52 series with IE2 standard motor, including 7.5 kW and larger IE3 standard motor (optional for smaller motor power)
• Automatic pump control via Smart Controller SC The Smart FC version is additionally equipped with a frequency converter in the switchbox
• Parts that come in contact with the fluid are corrosion-resistant
• Base frame made of galvanised steel, with height-adjustable vibration absorbers for insulation against structure-borne noise, cable guidance and an integrated lifting device
• Shut-off valve on the suction and pressure sides of each pump
• Non-return valve on the pressure side of each pump
• Diaphragm pressure vessel 8 l, PN16, pressure side
• Pressure sensor, pressure side
• Pressure gauge, pressure side
• Optional low-water cut-out switchgear with pressure gauge, suction side

• Mains connection 3~230 V/400 V ± 10%, 50 Hz
• Max. fluid temperature 50 °C (70 °C optional)
• Max. ambient temperature of 40 °C
• Operating pressure 16 bar (25 bar optional)
• Inlet pressure 10 bar
• Nominal connection diameters on discharge side R 1½ - DN 200
• Nominal connection diameter on the intake side R 1½" - DN 200
• Rated speed 2850 rpm
• Protection class IP 54 (SC control device)
• Fuse protection on mains side A, AC 3 according to motor power and EVU regulations
• Approved fluids (other fluids on request):Note on fluids: Approved fluids are generally waters which do not attack the materials used, neither chemically nor mechanically, and do not contain any abrasive or long-fibre constituents. System in accordance with DIN 1988 (EN 806)
  • Drinking water and domestic hot water
  • Cooling water
  • Fire water

Helix V RBI 4 to Helix V RBI 16

• Impellers, guide vanes, stage housing made of stainless steel 1.4307
• Pump housing of stainless steel 1.4301
• Shaft of stainless steel 1.4057
• 1.4404 shaft protection sleeve
• O-Ring gaskets made of EPDM (FKM gasket on request)
• Pipework made of 1.4301 stainless steel

Helix V RBI 22 to Helix V RBI 52

• Impellers, guide vanes, stage housing made of stainless steel 1.4307
• Pump housing made of cataphoretically coated EN-GJL 250 grey cast iron
• Shaft of stainless steel 1.4057
• 1.4404 shaft protection sleeve
• O-Ring gaskets made of EPDM (FKM gasket on request)
• Pipework made of 1.4301 stainless steel

• Base frame: galvanised steel, with height-adjustable vibration absorbers for comprehensive insulation against structure-borne noise; other versions on request
• Pipework: complete pipework made of stainless steel, suitable for the connection of all conventional piping materials; the pipework is dimensioned according to the overall hydraulic performance of the pressure boosting system
• Pumps: 2 to 4 pumps switched in parallel of the Helix V RBI 4 to Helix V RBI 52 series; all pump parts that come in contact with the fluid are made of stainless steel for the Helix V RBI 4 to VE 16 series or of stainless steel/grey cast iron with cataphoretic coating for the Helix V RBI 22 to Helix V RBI 52 series; other versions on request. KTW/WRAS/ACS approval for parts that come in contact with the fluid
• Valves: Each pump is fitted on the suction and pressure side with a standard shut-off device with DVGW approval mark and on the pressure side with a DVGW/KTW-approved non-return valve.
• Diaphragm pressure vessel: 8 l/PN 16 arranged on the discharge side with a diaphragm made of butyl rubber, with DVGW/KTW approval, completely safe in accordance with food safety laws; for testing and inspection purposes, with a shut-off ball cock with drain and throughflow fitting with DVGW/KTW approval in accordance with DIN 4807
• Pressure sensor: 4 to 20 mA, located on the discharge side for controlling the central Smart Controller SC
• Pressure indication: Pressure gauge (ø 63 mm) arranged on the discharge side; additional digital indication of the discharge pressure in the alphanumeric LC display of the Smart Controller SC
• Control device/controller: The system is equipped with a "Smart Controller" SC as standard; FC versions also equipped with a frequency converter

• Factory-mounted, ready-for-connection pressure-boosting system checked for functionality and impermeability
• Installation and operating instructions

Other mains connections on request

• Mains connection 3~230 V/400 V ± 10%, 50 Hz
• Max. fluid temperature 50 °C (70 °C optional)
• Max. ambient temperature of 40 °C
• Operating pressure 16 bar (25 bar optional)
• Inlet pressure 10 bar
• Nominal connection diameters on discharge side R 1½ - DN 200
• Nominal connection diameter on the intake side R 1½" - DN 200
• Rated speed 2850 rpm
• Protection class IP 54 (SC control device)
• Fuse protection on mains side A, AC 3 according to motor power and EVU regulations
• Approved fluids (other fluids on request):Note on fluids: Approved fluids are generally waters which do not attack the materials used, neither chemically nor mechanically, and do not contain any abrasive or long-fibre constituents. System in accordance with DIN 1988 (EN 806)
  • Drinking water and domestic hot water
  • Cooling water
  • Fire water

Helix V RBI 4 to Helix V RBI 16

• Impellers, guide vanes, stage housing made of stainless steel 1.4307
• Pump housing of stainless steel 1.4301
• Shaft of stainless steel 1.4057
• 1.4404 shaft protection sleeve
• O-Ring gaskets made of EPDM (FKM gasket on request)
• Pipework made of 1.4301 stainless steel

Helix V RBI 22 to Helix V RBI 52

• Impellers, guide vanes, stage housing made of stainless steel 1.4307
• Pump housing made of cataphoretically coated EN-GJL 250 grey cast iron
• Shaft of stainless steel 1.4057
• 1.4404 shaft protection sleeve
• O-Ring gaskets made of EPDM (FKM gasket on request)
• Pipework made of 1.4301 stainless steel

• Base frame: galvanised steel, with height-adjustable vibration absorbers for comprehensive insulation against structure-borne noise; other versions on request
• Pipework: complete pipework made of stainless steel, suitable for the connection of all conventional piping materials; the pipework is dimensioned according to the overall hydraulic performance of the pressure boosting system
• Pumps: 2 to 4 pumps switched in parallel of the Helix V RBI 4 to Helix V RBI 52 series; all pump parts that come in contact with the fluid are made of stainless steel for the Helix V RBI 4 to VE 16 series or of stainless steel/grey cast iron with cataphoretic coating for the Helix V RBI 22 to Helix V RBI 52 series; other versions on request. KTW/WRAS/ACS approval for parts that come in contact with the fluid
• Valves: Each pump is fitted on the suction and pressure side with a standard shut-off device with DVGW approval mark and on the pressure side with a DVGW/KTW-approved non-return valve.
• Diaphragm pressure vessel: 8 l/PN 16 arranged on the discharge side with a diaphragm made of butyl rubber, with DVGW/KTW approval, completely safe in accordance with food safety laws; for testing and inspection purposes, with a shut-off ball cock with drain and throughflow fitting with DVGW/KTW approval in accordance with DIN 4807
• Pressure sensor: 4 to 20 mA, located on the discharge side for controlling the central Smart Controller SC
• Pressure indication: Pressure gauge (ø 63 mm) arranged on the discharge side; additional digital indication of the discharge pressure in the alphanumeric LC display of the Smart Controller SC
• Control device/controller: The system is equipped with a "Smart Controller" SC as standard; FC versions also equipped with a frequency converter

• Factory-mounted, ready-for-connection pressure-boosting system checked for functionality and impermeability
• Installation and operating instructions

Other mains connections on request