Wilo-Star-Z

Wilo-Star-Z Glandless circulation pump with screw connection

Overview

  • Single-phase pumps with quick electrical connection
  • All plastic parts in contact with pumped media have KTW approval

Type

Glandless circulation pump with threaded connection

Application

Potable water circulation systems for industrial and civil engineering applications.

Equipment/function

Modes of operation

Switching speed steps (Star-Z...-3 only)

Manual control

Speed step regulation (1 speed step, 3 speed steps for Star-Z...-3)

Equipment

  • Keyhole moulding on the pump housing (Star-Z 25 only)
  • Double-sided cable entry option
  • Quick connection via spring clamp terminals
  • Blocking current proof electric motor

Model overview

Products


Product designation Article number
Star-Z 20/1 4028111
Star-Z 25/2 EM 4029062
Star-Z 25/6-3 4047573
Star-Z 20/4-3 4081193
Star-Z 20/5-3 4081198
Star-Z 20/7-3 4081203

Those. information

Scope of delivery

  • Pump
  • Seals for screw connections
  • Installation and Operating Instructions

Explanation of designation

Example: Wilo-Star-Z 20/1
Star Standard pump
Z Circulation pump
20/ Nominal diameter for connection
1 Nominal head [m]
-3 3 speed steps

Technical data

  • Constant speed or three selectable speed stages for Star-Z...-3
  • Pumped liquid temperature:
    • Drinking water up to 3.21 mmol/l (18 °dH): max. +65 °C, in non-uniform mode (2 h) up to +70 °C
  • Connection to mains 1~230 V, 50 Hz
  • Protection class IP44
  • Nominal diameter Rp ½, Rp 1
  • Max. operating pressure 10 bar

Materials

  • Pump housing: bronze
  • Impeller: synthetic material
  • Shaft: oxide ceramic
  • Bearings: Graphite impregnated with synthetic resin

Download

Wilo-Star-Z/-ZD Download
Documentation Download

Colors

DOP

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