Wilo-Star-STG

Series description

Special features/product advantages

  • Special hydraulics for use in solar and geothermal energy systems
  • Pump housing with wrench attachment point
  • Pump housing with cataphoretic coating for preventing corrosion due to condensation formation

Design type

Glandless circulation pump with threaded connection. Preselectable speed stages for power adjustment

Application

Primary circuits of solar and geothermal systems

Equipment/function

Operating modes

  • Speed-stage switching

Manual functions

  • Setting of the speed stages: 3 speed stages

Equipment

  • Wrench attachment point on pump body (only for nominal diameter of DN 25/DN 30)
  • Cable inlet in possible on both sides
  • Quick connection with spring clips
  • Blocking current-proof motor

Scope of delivery

  • Pump
  • Seal
  • Installation and operating instructions

Type key

Example:

Star STG 25/6

Star-STG

Standard pump for solar and geothermal energy systems

25/

Nominal diameter Rp 1

6

Max. delivery head in m

Technical data

  • Permissible temperature range -10°C to +110 °C, in short-time duty (2 h) +120 °C
  • Mains connection 1~230 V, 50 Hz
  • Protection class IP44
  • Screwed connection Rp ½, Rp 1 and Rp 1¼
  • Max. operating pressure 10 bar

Materials

  • Pump housing: Grey cast iron
  • Impeller: Polypropylene
  • Shaft: stainless steel
  • Bearing: Carbon, metal impregnated

Duty chart

Wilo-Star-STG

Downloads

REACH Regulation

Edition 2018-10
Page format 209.9 x 296.7 mm
Number of pages 4

PDF (581 kB)

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General overview 2018 International version

Article Number 2200591
Edition 2018
Version number 1
Page format 209.9 x 297.0 mm
Number of pages 72

PDF (11 MB)

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