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Wilo-Sub TWI 4

Submersible motor pump

  • For water supply, irrigation and watering, pressure boosting, reducing the groundwater level and industrial applications
  • For pumping water without long fibrous and abrasive particles from storage tanks or boreholes with a minimum diameter of 4" (= DN 100) and a maximum immersion depth of up to 350 metres
Special features/Product advantages
  • Corrosion-free stainless steel pump
  • Easy maintenance through fast installation and removal
  • High quality coupling
  • Integrated non-return device
  • Vertical or horizontal installation possible
Wilo-Sub TWI 4
Technical data

  • Mains connection 1~230 V, 50 Hz / 3~400 V, 50 Hz
  • Fluid temperature +3 to + 30 C
  • Max. immersion depth 350 m
  • Max. sand content 80 g/m
  • Water speed min. 8 cm/s
  • Starts per hour, max. 20
  • Protection class IP 58
  • Connections: pressure pipe depending on type Rp 1 1/4 or Rp 2
Equipment
  • Fully submersible, multi-stage submersible pump
  • Hydraulics with motor mounted, complete
  • Integrated non-return device
  • Nema coupling
  • Cable length depending on type 1.5 / 2.5 / 4 m
  • Cable cross-section 4 x 1.5 mm
  • Single-phase alternating current version 1~230V, 50 Hz inclusive
    • Switchbox with capacitor
    • Thermal motor protection
    • On / Off switch
Description/Design
  • Hydraulics:
    • Coupling and flange can be used for motors with pump, installation dimensions according to NEMA standards
    • Non-return valve installed in pump head
    • Over-dimensioned intermediate bearing in each stage, specially constructed to improve the shaft bearing
    • Easily replaceable wear rings and bearings
    • Robust cable protection
    • Hydraulic components improved to achieve high levels of efficiency
    • High resistance to corrosion and abrasion achieved through the properties of the stainless steel
    • Easy to service through simple installation and removal of the unit
  • Motor:
    • Corrosion-free single-phase alternating current or three-phase motor with lacquer insulated windings in hermetically encapsulated stator for direct starting
    • Sealed encapsulated stator, resin impregnated, self-lubricating bearing
    • The motor is cooled by the temperature and flow speed of the fluid outside the motor
Materials
  • Hydraulics:
    • Impellers stainless steel 1.4301 (AISI 304), stainless steel 1.4404 as option (AISI 316L)
    • Stage housing stainless steel 1.4301 (AISI 304), stainless steel 1.4404 as option (AISI 316L)
    • Stainless steel 1.4301 suction housing (AISI 304)
    • Non-return valve stainless steel 1.4301 (AISI 304) optional for WiloSub TW: stainless steel 1.4404 (AISI 316L)
    • Shaft stainless steel 1.4301 (AISI 304)
  • Motor:
    • Shaft end stainless steel 1.4305 (AISI 303), stainless steel 1.4460 optional (AISI 329)
Scope of delivery
  • Pump ready for connection
  • Single-phase alternating current version including switchbox, version EMSC, also with starting capacitor
  • Installation and operating instructions
Wilo-Sub TWI 4
Dynamic name Name 1-phase / 3-phase Speed Rated power 
TWI 4-1227 3~ Rp 2 3~ 400 V 2850 1/min 7,5 kW 
TWI 4-1224 3~ Rp 2 3~ 400 V 2850 1/min 7,5 kW 
TWI 4-1220 3~ Rp 2 3~ 400 V 2850 1/min 5,5 kW 
TWI 4-1217 3~ Rp 2 3~ 400 V 2850 1/min 5,5 kW 
TWI 4-1214 3~ Rp 2 3~ 400 V 2850 1/min 4 kW 
TWI 4-1213 3~ Rp 2 3~ 400 V 2850 1/min 3,7 kW 
TWI 4-1210 3~ Rp 2 3~ 400 V 2850 1/min 3 kW 
TWI 4-1208 EMSC Rp 2 1~ 230 V 2850 1/min 2,2 kW 
TWI 4-1208 3~ Rp 2 3~ 400 V 2850 1/min 2,2 kW 
TWI 4-1208 1~ Rp 2 1~ 230 V 2850 1/min 2,2 kW 
TWI 4-1205 EMSC Rp 2 1~ 230 V 2850 1/min 1,5 kW 
TWI 4-1205 3~ Rp 2 3~ 400 V 2850 1/min 1,5 kW 
TWI 4-1205 1~ Rp 2 1~ 230 V 2850 1/min 1,5 kW 
TWI 4-1203 EMSC Rp 2 1~ 230 V 2850 1/min 1,1 kW 
TWI 4-1203 3~ Rp 2 3~ 400 V 2850 1/min 1,1 kW 
TWI 4-1203 1~ Rp 2 1~ 230 V 2850 1/min 1,1 kW 
TWI 4-0764 3~ Rp 2 3~ 400 V 2850 1/min 7,5 kW 
TWI 4-0759 3~ Rp 2 3~ 400 V 2850 1/min 7,5 kW 
TWI 4-0754 3~ Rp 2 3~ 400 V 2850 1/min 7,5 kW 
TWI 4-0749 3~ Rp 2 3~ 400 V 2850 1/min 5,5 kW 
TWI 4-0744 3~ Rp 2 3~ 400 V 2850 1/min 5,5 kW 
TWI 4-0739 3~ Rp 2 3~ 400 V 2850 1/min 5,5 kW 
TWI 4-0734 3~ Rp 2 3~ 400 V 2850 1/min 4 kW 
TWI 4-0732 3~ Rp 2 3~ 400 V 2850 1/min 3,7 kW 
TWI 4-0729 3~ Rp 2 3~ 400 V 2850 1/min 3,7 kW 
TWI 4-0726 3~ Rp 2 3~ 400 V 2850 1/min 3 kW 
TWI 4-0723 3~ Rp 2 3~ 400 V 2850 1/min 3 kW 
TWI 4-0719 EMSC Rp 2 1~ 230 V 2850 1/min 2,2 kW 
TWI 4-0719 3~ Rp 2 3~ 400 V 2850 1/min 2,2 kW 
TWI 4-0719 1~ Rp 2 1~ 230 V 2850 1/min 2,2 kW 
TWI 4-0716 EMSC Rp 2 1~ 230 V 2850 1/min 2,2 kW 
TWI 4-0716 3~ Rp 2 3~ 400 V 2850 1/min 2,2 kW 
TWI 4-0716 1~ Rp 2 1~ 230 V 2850 1/min 2,2 kW 
TWI 4-0713 EMSC Rp 2 1~ 230 V 2850 1/min 1,5 kW 
TWI 4-0713 3~ Rp 2 3~ 400 V 2850 1/min 1,5 kW 
TWI 4-0713 1~ Rp 2 1~ 230 V 2850 1/min 1,5 kW 
TWI 4-0709 EMSC Rp 2 1~ 230 V 2850 1/min 1,1 kW 
TWI 4-0709 3~ Rp 2 3~ 400 V 2850 1/min 1,1 kW 
TWI 4-0709 1~ Rp 2 1~ 230 V 2850 1/min 1,1 kW 
TWI 4-0706 EMSC Rp 2 1~ 230 V 2850 1/min 0,75 kW 
TWI 4-0706 3~ Rp 2 3~ 400 V 2850 1/min 0,75 kW 
TWI 4-0706 1~ Rp 2 1~ 230 V 2850 1/min 0,75 kW 
TWI 4-0704 EMSC Rp 2 1~ 230 V 2850 1/min 0,55 kW 
TWI 4-0704 3~ Rp 2 3~ 400 V 2850 1/min 0,55 kW 
TWI 4-0704 1~ Rp 2 1~ 230 V 2850 1/min 0,55 kW 
TWI 4-0703 EMSC Rp 2 1~ 230 V 2850 1/min 0,37 kW 
TWI 4-0703 3~ Rp 2 3~ 400 V 2850 1/min 0,37 kW 
TWI 4-0703 1~ Rp 2 1~ 230 V 2850 1/min 0,37 kW 
TWI 4-0472 3~ Rp 1½ 3~ 400 V 2850 1/min 5,5 kW 
TWI 4-0466 3~ Rp 1½ 3~ 400 V 2850 1/min 5,5 kW 
TWI 4-0460 3~ Rp 1½ 3~ 400 V 2850 1/min 5,5 kW 
TWI 4-0454 3~ Rp 1½ 3~ 400 V 2850 1/min 4 kW 
TWI 4-0450 3~ Rp 1½ 3~ 400 V 2850 1/min 3,7 kW 
TWI 4-0445 3~ Rp 1½ 3~ 400 V 2850 1/min 3,7 kW 
TWI 4-0439 3~ Rp 1½ 3~ 400 V 2850 1/min 3 kW 
TWI 4-0434 3~ Rp 1½ 3~ 400 V 2850 1/min 3 kW 
TWI 4-0429 EMSC Rp 1½ 1~ 230 V 2850 1/min 2,2 kW 
TWI 4-0429 3~ Rp 1½ 3~ 400 V 2850 1/min 2,2 kW 
TWI 4-0429 1~ Rp 1½ 1~ 230 V 2850 1/min 2,2 kW 
TWI 4-0424 EMSC Rp 1½ 1~ 230 V 2850 1/min 2,2 kW 
TWI 4-0424 3~ Rp 1½ 3~ 400 V 2850 1/min 2,2 kW 
TWI 4-0424 1~ Rp 1½ 1~ 230 V 2850 1/min 2,2 kW 
TWI 4-0419 EMSC Rp 1½ 1~ 230 V 2850 1/min 1,5 kW 
TWI 4-0419 3~ Rp 1½ 3~ 400 V 2850 1/min 1,5 kW 
TWI 4-0419 1~ Rp 1½ 1~ 230 V 2850 1/min 1,5 kW 
TWI 4-0414 EMSC Rp 1½ 1~ 230 V 2850 1/min 1,1 kW 
TWI 4-0414 3~ Rp 1½ 3~ 400 V 2850 1/min 1,1 kW 
TWI 4-0414 1~ Rp 1½ 1~ 230 V 2850 1/min 1,1 kW 
TWI 4-0409 EMSC Rp 1½ 1~ 230 V 2850 1/min 0,75 kW 
TWI 4-0409 3~ Rp 1½ 3~ 400 V 2850 1/min 0,75 kW 
TWI 4-0409 1~ Rp 1½ 1~ 230 V 2850 1/min 0,75 kW 
TWI 4-0407 EMSC Rp 1½ 1~ 230 V 2850 1/min 0,55 kW 
TWI 4-0407 3~ Rp 1½ 3~ 400 V 2850 1/min 0,55 kW 
TWI 4-0407 1~ Rp 1½ 1~ 230 V 2850 1/min 0,55 kW 
TWI 4-0404 EMSC Rp 1½ 1~ 230 V 2850 1/min 0,37 kW 
TWI 4-0404 3~ Rp 1½ 3~ 400 V 2850 1/min 0,37 kW 
TWI 4-0404 1~ Rp 1½ 1~ 230 V 2850 1/min 0,37 kW 
TWI 4-0368 3~ Rp 1½ 3~ 400 V 2850 1/min 4 kW 
TWI 4-0362 3~ Rp 1½ 3~ 400 V 2850 1/min 3,7 kW 
TWI 4-0357 3~ Rp 1½ 3~ 400 V 2850 1/min 3,7 kW 
TWI 4-0351 3~ Rp 1½ 3~ 400 V 2850 1/min 3 kW 
TWI 4-0344 3~ Rp 1½ 3~ 400 V 2850 1/min 3 kW 
TWI 4-0336 EMSC Rp 1½ 1~ 230 V 2850 1/min 2,2 kW 
TWI 4-0336 3~ Rp 1½ 3~ 400 V 2850 1/min 2,2 kW 
TWI 4-0336 1~ Rp 1½ 1~ 230 V 2850 1/min 2,2 kW 
TWI 4-0330 EMSC Rp 1½ 1~ 230 V 2850 1/min 2,2 kW 
TWI 4-0330 3~ Rp 1½ 3~ 400 V 2850 1/min 2,2 kW 
TWI 4-0330 1~ Rp 1½ 1~ 230 V 2850 1/min 2,2 kW 
TWI 4-0325 EMSC Rp 1½ 1~ 230 V 2850 1/min 1,5 kW 
TWI 4-0325 3~ Rp 1½ 3~ 400 V 2850 1/min 1,5 kW 
TWI 4-0325 1~ Rp 1½ 1~ 230 V 2850 1/min 1,5 kW 
TWI 4-0322 EMSC Rp 1½ 1~ 230 V 2850 1/min 1,5 kW 
TWI 4-0322 3~ Rp 1½ 3~ 400 V 2850 1/min 1,5 kW 
TWI 4-0322 1~ Rp 1½ 1~ 230 V 2850 1/min 1,5 kW 
TWI 4-0318 EMSC Rp 1½ 1~ 230 V 2850 1/min 1,1 kW 
TWI 4-0318 3~ Rp 1½ 3~ 400 V 2850 1/min 1,1 kW 
TWI 4-0318 1~ Rp 1½ 1~ 230 V 2850 1/min 1,1 kW 
TWI 4-0315 EMSC Rp 1½ 1~ 230 V 2850 1/min 1,1 kW 
TWI 4-0315 3~ Rp 1½ 3~ 400 V 2850 1/min 1,1 kW 
TWI 4-0315 1~ Rp 1½ 1~ 230 V 2850 1/min 1,1 kW 
TWI 4-0312 EMSC Rp 1½ 1~ 230 V 2850 1/min 0,75 kW 
TWI 4-0312 3~ Rp 1½ 3~ 400 V 2850 1/min 0,75 kW 
TWI 4-0312 1~ Rp 1½ 1~ 230 V 2850 1/min 0,75 kW 
TWI 4-0309 EMSC Rp 1½ 1~ 230 V 2850 1/min 0,55 kW 
TWI 4-0309 3~ Rp 1½ 3~ 400 V 2850 1/min 0,55 kW 
TWI 4-0309 1~ Rp 1½ 1~ 230 V 2850 1/min 0,55 kW 
TWI 4-0306 EMSC Rp 1½ 1~ 230 V 2850 1/min 0,37 kW 
TWI 4-0306 3~ Rp 1½ 3~ 400 V 2850 1/min 0,37 kW 
TWI 4-0306 1~ Rp 1½ 1~ 230 V 2850 1/min 0,37 kW 
TWI 4-0272 3~ Rp 1½ 3~ 400 V 2850 1/min 3 kW 
TWI 4-0266 3~ Rp 1½ 3~ 400 V 2850 1/min 3 kW 
TWI 4-0260 3~ Rp 1½ 3~ 400 V 2850 1/min 3 kW 
TWI 4-0254 EMSC Rp 1½ 1~ 230 V 2850 1/min 2,2 kW 
TWI 4-0254 3~ Rp 1½ 3~ 400 V 2850 1/min 2,2 kW 
TWI 4-0254 1~ Rp 1½ 1~ 230 V 2850 1/min 2,2 kW 
TWI 4-0247 EMSC Rp 1½ 1~ 230 V 2850 1/min 2,2 kW 
TWI 4-0247 3~ Rp 1½ 3~ 400 V 2850 1/min 2,2 kW 
TWI 4-0247 1~ Rp 1½ 1~ 230 V 2850 1/min 2,2 kW 
TWI 4-0240 EMSC Rp 1½ 1~ 230 V 2850 1/min 2,2 kW 
TWI 4-0240 3~ Rp 1½ 3~ 400 V 2850 1/min 2,2 kW 
TWI 4-0240 1~ Rp 1½ 1~ 230 V 2850 1/min 2,2 kW 
TWI 4-0235 EMSC Rp 1½ 1~ 230 V 2850 1/min 1,5 kW 
TWI 4-0235 3~ Rp 1½ 3~ 400 V 2850 1/min 1,5 kW 
TWI 4-0235 1~ Rp 1½ 1~ 230 V 2850 1/min 1,5 kW 
TWI 4-0230 EMSC Rp 1½ 1~ 230 V 2850 1/min 1,5 kW 
TWI 4-0230 3~ Rp 1½ 3~ 400 V 2850 1/min 1,5 kW 
TWI 4-0230 1~ Rp 1½ 1~ 230 V 2850 1/min 1,5 kW 
TWI 4-0225 EMSC Rp 1½ 1~ 230 V 2850 1/min 1,1 kW 
TWI 4-0225 3~ Rp 1½ 3~ 400 V 2850 1/min 1,1 kW 
TWI 4-0225 1~ Rp 1½ 1~ 230 V 2850 1/min 1,1 kW 
TWI 4-0221 EMSC Rp 1½ 1~ 230 V 2850 1/min 1,1 kW 
TWI 4-0221 3~ Rp 1½ 3~ 400 V 2850 1/min 1,1 kW 
TWI 4-0221 1~ Rp 1½ 1~ 230 V 2850 1/min 1,1 kW 
TWI 4-0217 EMSC Rp 1½ 1~ 230 V 2850 1/min 0,75 kW 
TWI 4-0217 3~ Rp 1½ 3~ 400 V 2850 1/min 0,75 kW 
TWI 4-0217 1~ Rp 1½ 1~ 230 V 2850 1/min 0,75 kW 
TWI 4-0213 EMSC Rp 1½ 1~ 230 V 2850 1/min 0,55 kW 
TWI 4-0213 3~ Rp 1½ 3~ 400 V 2850 1/min 0,55 kW 
TWI 4-0213 1~ Rp 1½ 1~ 230 V 2850 1/min 0,55 kW 
TWI 4-0208 EMSC Rp 1½ 1~ 230 V 2850 1/min 0,37 kW 
TWI 4-0208 3~ Rp 1½ 3~ 400 V 2850 1/min 0,37 kW 
TWI 4-0208 1~ Rp 1½ 1~ 230 V 2850 1/min 0,37 kW 
TWI 4-0206 EMSC Rp 1½ 1~ 230 V 2850 1/min 0,37 kW 
TWI 4-0206 3~ Rp 1½ 3~ 400 V 2850 1/min 0,37 kW 
TWI 4-0206 1~ Rp 1½ 1~ 230 V 2850 1/min 0,37 kW