Wilo-Star-STG | Wilo
Your advantages
Wilo-Star-STG

Your 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
Series description
Wilo-Star-STG

Construction

Glandless circulator 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
  • Gasket
  • 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
Downloads

General overview (Documents)

General overview 2021 International version

Edition 2020
Page format 209.9 x 297.0 mm
Number of pages 74
PDF (10 MB)

Certificate REACH (Documents)

REACH regulation

Edition 2020-08
Page format 209.9 x 296.7 mm
Number of pages 4
PDF (1 MB)
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