WILO COR/T-1HELIX pressure booster set

Your advantages

• Compact ready for connection system for all applications which make a system separation necessary by means of safety device “Free drain”, type AB according to EN 13077

• Heavy-duty system due to Helix VE series stainless steel high-pressure multistage centrifugal pumps with air-cooled integrated frequency converters

• Lower life cycle costs due to new Helix design

• User-friendly display with Green Button Technology and full text menu

• IF plug-in module for quick communication with the BMS

Construction

Water-supply unit with system separation and a non self-priming high-pressure multistage centrifugal pump with speed-controlled motor

Application

• Fully automatic water supply and pressure boosting in residential, commercial and public buildings, hotels, hospitals, department stores and for industrial systems.

• Pumping of drinking water and process water, cooling water, fire water (apart from fire-extinguishing systems in accordance with DIN 14462 and with the approval of the local fire safety authorities) or other types of industrial water that do not attack the materials either chemically or mechanically and do not contain abrasive or long-fibre constituents.

Equipment/function

• 1 pump of the Helix VE 4 or Helix VE 6 series with IE4-equivalent standard motor and continuous auto control with integrated frequency converter

• Maximum stage number: 13

• PE break tank, atmospherically ventilated (150 l) for direct connection to the public water supply network. System separation takes place in accordance with DIN EN 1717, "Free drain", type AB in accordance with EN 13077

• Components that come in contact with fluid are corrosion-resistant

• Shut-off device, on the pressure side

• Non-return valve, on suction side

• Break tank including float valve and float switch (low-water signal transmitter)

• Diaphragm pressure vessel 8 l, PN 16, on the pressure side

• Low-water cut-out switchgear

Scope of delivery

• factory-mounted, ready for connection pressure-boosting system checked for functionality and impermeability

• Packaging

• Installation and operating instructions

Type key

Technical data

• Mains connection 3~400 V ±10 %, 50 Hz; 3~380/440 V ±10 %, 60 Hz

• Max. fluid temperature 40 °C

• Max. ambient temperature of 40 °C

• Operating pressure 16 bar

• Inlet pressure 6 bar

• Switching pressure stages 6/10/16 bar

• Nominal connection diameters on discharge side Rp 1 ¼"

• Nominal connection diameters on inlet side Rp 1 ¼"

• Rated speed 1500 – 3770 rpm

• Switching capacity P2 max. at max. 10 A = 4 kW

• 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.

  • pure water without settling sediments

  • Process water, cold water, cooling water and rainwater

  • Drinking water

  • Fire water

Materials

• Impellers and stage chambers stainless steel 1.4301

• Pump housing made of 1.4301 stainless steel

• Shaft stainless steel 1.4301

• Gasket EPDM (EP 851) / FKM (Viton)

• Housing cover made of 1.4301 stainless steel

• Housing bottom made of 1.4301 stainless steel

• Mechanical seal of B-carbon/tungsten carbide, SiC/carbon

• Pressure shroud made of 1.4301 stainless steel

• Bearing of tungsten carbide

• Pump base EN-GJL-250

• Pipework made of 1.4307 stainless steel

Description/construction

• Ready for connection water-supply unit, constructed on PE baseplate, complete pipework, including all necessary valves and shut-off devices (excluding intake side shut-off device), kit pressure sensor, stainless steel high-pressure multistage centrifugal pump in glanded version with integrated frequency converter (series Helix VE)

• Diaphragm pressure vessel: 8 l/PN 16 located on the discharge side with a butyl rubber diaphragm, completely safe in accordance with food safety laws; for testing and inspection purposes, with a shut-off device, with drain and flow device according to DIN 4807