Wilo-Star-Z

Series description

Your advantages

  • AC pumps with electrical quick connection
  • All plastic parts that come into contact with the fluid fulfil KTW recommendations

Construction

Glandless circulator with screwed connection

Application

Domestic hot water circulation systems in the industry and building services.

Equipment/function

Operating modes

  • Speed stage switching (Star-Z...-3 only)

Manual functions

  • Setting of the speed stages (1 speed stage, 3 speed stages with Star-Z...-3 pumps)

Equipment

  • Wrench attachment point on the pump body (Star-Z 25 only)
  • Cable inlet in possible on both sides
  • Quick connection with spring clips
  • Blocking-current proof motor

Scope of delivery

  • Pump
  • Gaskets for threaded connection
  • Installation and operating instructions

Type key

Example:

Wilo-Star-Z 20/1

Star

standard pump

Z

Circulator

20/

Nominal connection diameter

1

Nominal delivery head [m]

-3

3 speed stages

Technical data

  • Constant speed or, for Star-Z...-3, three selectable speed stages
  • Fluid temperature:
    • Drinking water up to 3.21 mmol/l (18 °dH): max. +65 °C, in short-time duty (2 h) up to +70 °C
  • Mains connection 1~230 V, 50 Hz
  • Protection class IP44
  • Nominal diameter Rp ½ (¾), Rp 1
  • Max. operating pressure 10 bar

Materials

  • Pump housing: bronze
  • Impeller: Plastic
  • Shaft: Oxide ceramic
  • Bearing: Carbon, synthetic resin-impregnated

Duty chart

Wilo-Star-Z

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 2019 International version

Article Number 2200591
Edition 2018
Version number 1
Page format 209.9 x 297.0 mm
Number of pages 74

PDF (42 MB)

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产品

PDF: Wilo-Star-Z

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