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Submersible pumps3" and 4" seriesSeries description Wilo-Sub TWU 3Configuration• No suction mode is possible with these units!• The unit must be fully immersed in water during operation.Pump curvesH[m]12011010090807060504030TWU 3-0145TWU 3-0130TWU 3-0123TWU 3-0115Wilo-Sub TWU 3-...201000 0,51,0 1,5 2,0 2,5 Q [m³/h]24 Wilo Water Management catalogue – 50 Hz – Water supply – Raw water intake – Edition 2012/2013 – Subject to change without prior notice
Submersible pumps3" and 4" seriesSeries description Wilo-Sub TWU 3 HSSubmersible pumpsDesign• Max. number of starts: 30 /hSubmersible pump, multistage• Max. immersion depth: 150 m• Protection class: IP 58Type key• Pressure connection:Rp 1e.g. Wilo sub TWU 3-0305-HS-E-CPTWU Submersible pump3 Diameter of the hydraulic unit in inches ["]03 Nominal volume flow [m 3 /h]05 Number of hydraulic stagesHS High-speed versionE Frequency converter versionE = external frequency converterI = external frequency converterCP Control functionCP = constant pressure controlwithout = fixed speed with up to 8400 rpmApplication• For private water supply from boreholes, wells and rainwater storagetanks• For domestic water supply, sprinkling and irrigation• For pumping water without long-fibre and abrasive constituentsSpecial features/product advantages• Expanded flow capacity by increased rotation speed (up to 8400 rpm)• Rewindable motor• Integrated non-return valve• Parts that come in contact with fluids are corrosion-free• Including frequency converter (HS-E…: external, installed in the piping;HS-I…: built into the motor)• Vertical and horizontal installation possibleTechnical dataSubmersible pump:• Power supply:HS-E…: 1~230 V, 50/60 Hz (connection to the AC mains supply by afrequency converter )HS-I…: 1~230 V, 50/60 Hz (direct connection to the AC mains supply)• Immersed operating mode: S1• Fluid temperature: 3-35 °C• Minimum motor flow: 0.08 m/s• Max. sand content: 50 g/m 3Frequency converter for version "HS-E…“:• Mains connection: 1~230 V, 50/60 Hz• Output: 3~230 V/max.140 Hz/max.2.2 kW• Fluid temperature: 3-50 °C• Max. pressure: 8 bar• Protection class: IP X5• Connection: G 1¼Equipment/function• Multistage submersible-motor pump with radial impellers• Integrated non-return valve• Including frequency converter (HS-E…: external, HS-I…: built-in)• Thermal motor protection built into the frequency converterMaterials• Hydraulic housing: Stainless steel 1.4301• Impellers: Polycarbonate• Hydraulics shaft: 1.4104 stainless steel• Motor housing: Stainless steel 1.4301• Motor shaft: 1.4305 stainless steelDescription/designSubmersible pump for vertical or horizontal installation.HydraulicsMultistage submersible pump with radial impellers with sectionalconstruction. Integrated non-return valve. All parts in contact withthe fluid are made of corrosion-free materials.MotorCorrosion-free asynchronous motor for connection to the frequencyconverter supplied (HS-E…) or for direct connection to the mainspower supply (HS-I…). Rewindable oil-filled motor with self-lubricatingbearings, designed for high speeds up to 8400 rpm.Frequency converterExternal frequency converter or frequency converter integratedwithin the motor, for operation of the pump at speeds up to 8400rpm, including the following functions:Wilo Water Management catalogue – 50 Hz – Water supply – Raw water intake – Edition 2012/2013 – Subject to change without prior notice25
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:DWHU 6XSSO\ ÃƒÂ€ 5DZ :DWHU ,QWDNH - WILO

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