Wilo-Drain STS

Submersible sewage motor pump

  • For pumping faeces, municipal and industrial sewage, also containing long fibrous particles for:
    • House/site drainage
    • Sewage and water management
    • Environmental and wastewater treatment technology
    • Industrial and processing technology
    • High reliability through optimum free ball passage
  • Can be used in the following types of installation:
    • stationary wet
    • portable wet
Special features/Product advantages
  • Detachable connection cable
  • Stainless steel motor
Wilo-Drain STS
Equipment
  • Versions in 1~230V are ready-to-plug
  • Connection cable 5 or 10 m, detachable
  • Attached float switch for version A
  • Motor monitored via temperature depending on type
Description/Design
Monobloc submersible pump for vertical wet sump installation
  • Wet sump installation, stationary and transportable
  • Vortex impeller
  • Detachable connection cable
  • Large, free ball passage
  • Resistant to corrosion and wear and tear
  • Motor
    • Single-phase AC motor 1~230 V, 50 Hz
    • Three-phase asynchronous motor 3~400 V, 50 Hz, protection class IP 68, thermal winding contact; insulation class F; other operational voltages and frequencies on request
  • Motor shaft mounted in permanently lubricated, low maintenance roller bearings
  • Radial shaft sealing ring: mechanical seal on motor side, radial shaft sealing ring on pump side
Materials
  • Motor housing: stainless steel
  • Pump housing: ENGJL250
  • Impeller: ENGJL250
  • Shaft: 1.4021
  • Mechanical seal (independent of direction of rotation) on pump side SiC/SiC
  • Static seals: NBR
  • Shaft seal, motor side: NBR
  • Motor housing: 1.4301 or 1.4404
Scope of delivery
  • Pump with connection cable ready for connection
  • Version A with float switch and plug
  • Installation and operating instructions
Wilo-Drain STS
Dynamic name Discharge size 1-phase / 3-phase Speed Rated power 
STS 40/8 A ~1 5m 1½ 1~ 230 V 2900 1/min 0,6 kW 
STS 40/8 A ~1 10m 1½ 1~ 230 V 2900 1/min 0,6 kW 
STS 40/8 ~3 5m 1½ 3~ 400 V 2900 1/min 0,6 kW 
STS 40/8 ~3 10m 1½ 3~ 400 V 2900 1/min 0,6 kW 
STS 40/8 ~1 5m 1½ 1~ 230 V 2900 1/min 0,6 kW 
STS 40/8 ~1 10m 1½ 1~ 230 V 2900 1/min 0,6 kW 
STS 40/10 A ~1 5m 1½ 1~ 230 V 2900 1/min 0,75 kW 
STS 40/10 A ~1 10m 1½ 1~ 230 V 2900 1/min 0,75 kW 
STS 40/10 ~3 5m 1½ 3~ 400 V 2900 1/min 0,75 kW 
STS 40/10 ~3 10m 1½ 3~ 400 V 2900 1/min 0,75 kW 
STS 40/10 ~1 5m 1½ 1~ 230 V 2900 1/min 0,75 kW 
STS 40/10 ~1 10m 1½ 1~ 230 V 2900 1/min 0,75 kW 
STS 100 F 15.170/84 DN 100 3~ 400 V 1450 1/min 8,4 kW 
STS 100 F 12.170/72 DN 100 3~ 400 V 1450 1/min 7,2 kW 
STS 100 F 10.170/59 DN 100 3~ 400 V 1450 1/min 5,9 kW 
STS 80 F 14.100/40 DN 80 3~ 400 V 1450 1/min 4 kW 
STS 80 F 12.120/32 DN 80 3~ 400 V 1450 1/min 3,2 kW 
STS 80 F 10.120/27 DN 80 3~ 400 V 1450 1/min 2,7 kW 
STS 80 F 9.120/24 DN 80 3~ 400 V 1450 1/min 2,4 kW 
STS 80 F 7.110/20 DN 80 3~ 400 V 1450 1/min 2 kW