Wilo-Star-ZD

Series description

Special features/product advantages

  • Twin-head pump for single or parallel operation
  • Suitable for every installation position with horizontal shaft; terminal box in 3-6-9-12 o'clock position
  • Internal bypass circulation, which prevents Legionella growth in the standby unit
  • Increased reliability in individual operation due to the constant availability of a standby unit ready for operation

Design type

Glandless twin-head circulator with screwed connection; preselectable speed stages for power adjustment

Application

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

Equipment/function

Operating modes

  • Speed-stage switching

Manual functions

  • Setting the speed stages (3 speed stages)

Equipment

  • Double switchover valve in pump housing
  • Cable inlet in possible on both sides
  • Internal bypass
  • Quick connection with spring clips
  • Blocking-current proof motor

Scope of delivery

  • Pump
  • Seals
  • Installation and operating instructions

Type key

Example:

Wilo-Star-ZD 25/6

Star-ZD

Double circulator for domestic hot water

25/

Nominal connection diameter

6

Nominal delivery head [m] at Q = 0 m³/h

Technical data

  • 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 1
  • Max. operating pressure 10 bar

Materials

  • Pump housing: Bronze
  • Impeller: Plastic
  • Shaft: Ceramic
  • Bearing: Carbon, synthetic resin-impregnated

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 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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产品

PDF: Wilo-Star-ZD

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