Wilo-Star-Z

Series description

Special features/product advantages

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

Design type

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 possible from both sides (Star-Z 20/..., Star-Z 25/... only)
  • 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]

EM

AC motor (1~)

DM

Three phase motor (3~)

-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, or 3~400 V, 50 Hz for the Star-Z 25/2 DM
  • Protection class IP44
  • Nominal diameter Rp ½, Rp 1
  • Max. operating pressure 10 bar

Materials

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

Downloads

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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Produkti

PDF: Wilo-Star-Z

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