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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

Design

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

Typekey

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

Scope of delivery

  • Pump
  • Gaskets
  • Installation and operating instructions
Documents

Installation and operating instructions

Wilo-Star STG

Article Number 4176741
Edition 2012-11
Page format A6
Number of pages 122
PDF (3 MB)

Wilo-Star STG

Article Number 4176741
Edition 2012-11
Page format A6
Number of pages 29
PDF (2 MB)

Wilo-Star ST 15/40

Article Number 2028694
Edition 0009
Page format A4
Number of pages 2
PDF (59 KB)

General overview

General Overview 2022 - International version

Edition 2022
Page format 209.9 x 297.0 mm
Number of pages 78
PDF (38 MB)

Certificate REACH

REACH Regulation

Edition 2021-05
Page format 209.9 x 297.0 mm
Number of pages 4
PDF (212 KB)
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