Wilo-Star-STG

Deciphering the name

Example: Star-STG 25/6
Star-STG Standard pump for solar and geothermal systems
25/ Nominal diameter Rp 1
6 Max. delivery height in m

Overview

  • Special hydraulic part for solar and geothermal systems
  • Pump casing with turnkey moulding.
  • Cataphoresis-coated (KTL) pump casing for corrosion protection against condensation

Type
Glandless circulation pump with threaded connection. Available in steps of speed to adjust the capacity

Application

  • Primary circuits in solar and geothermal systems.
  • Equipment/function
  • Operation modes

Switching speed steps

  • Manual control
  • Speed step setting: 3 speed steps

Accessories

  • Keyed casting on pump casing (nominal diameter DN 25/DN 30 only)
  • Double sided cable entry
  • Quick coupling with spring clamp terminals
  • Locking-current proof electric motor

Model overview

Products


Product designation Mains connection Pipeline connection Nominal flange diameter Gross weight approx. m Article number
Star-STG 25/4 1~230 V, 50 Hz G 1½ G 1½ 2.7 кг 4050265
Star-STG 25/6 1~230 V, 50 Hz G 1½ G 1½ 2.7 кг 4050266
Star-STG 15/4 1~230 V, 50 Hz G 1 G 1 2.2 кг 4056933
Star-STG 15/6 1~230 V, 50 Hz G 1 G 1 2.4 кг 4056946
Star-STG 15/11 1~230 V, 50 Hz G 1 G 1 3.9 кг 4061442

Those. information

Technical Specifications

  • Temperature range from -10° C to +110° C, in short-term operation (2 h) up to +120° C
  • Power connection 1~230 V, 50 Hz
  • Protection class IP44
  • Rp ½, Rp 1 and Rp 1¼
  • Cross connection
  • Max. operating pressure 10 bar

Materials

  • Pump body: Grey cast iron
  • Impeller: Polypropylene
  • Shaft: Stainless steel
  • Bearings: Metal graphite

Download

Colors

DOP

Wilo CAD

The Wilo CAD online library contains DWG drawings of Wilo pumping equipment. In this library, the dimensions of the pumping equipment are given as a guideline. Please note that the contents of the Wilo CAD online library are subject to technical changes.


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