Series description


Glanded circulation pump in in-line design with threaded connection


For pumping drinking water, cold and hot water (in accordance with VDI 2035) without abrasive substances, in heating, cold water and cooling water systems

Type key

ExampleWilo-VeroLine‐IP‐Z 25/6
IPIn-line pump (screw-end pump)
‐ZCirculation pump
25/Nominal connection diameter Rp
6Power capacity in convergence with max. delivery head [m]

Special features/product advantages

  • High resistance to corrosive fluids due to stainless steel housing and Noryl impeller
  • Wide range of applications due to suitability for water hardness up to 5 mmol/l (28 °dH)
  • All plastic parts that come into contact with the fluid fulfil KTW recommendations

Technical data

  • Permissible temperature range
    • Drinking water up to 5 mmol/l (28 °dH): max. +65 °C, in short-term operation (2 h) up to +110 °C
    • Heating water: -8 °C to +110 ° C)
  • Mains connection 1~230 V, 50 Hz or 3~230/400 V, 50 Hz
  • Protection class IP 44 motor, IP 54 terminal box
  • Nominal diameter Rp 1
  • Max. operating pressure 10 bar


Single-stage, low-pressure centrifugal pump in in-line design with

  • Mechanical seal
  • Threaded connection
  • Motor with one-piece shaft


  • Pump housing and lantern: 1.4306
  • Impeller: Noryl
  • Shaft: 1.4571
  • Mechanical seal: Ceramic/graphite/EPDM

Scope of delivery

  • Pump
  • Installation and operating instructions


  • Adapters

General notes - ErP (ecological design-) directive

This series is not subject to the Ecodesign Directive for water pumps, as its volume flow is QBEP < 6 m3/h.Information on benchmark efficiency is available at www.europump.org/efficiencycharts

Duty chart

Pump curves


General overview

Edition 2017
Page format A4
Number of pages 72

PDF (46 MB)



Article Number 4090936
Edition 1108
Version number 04
Page format A4
Number of pages 8

PDF (208 kB)



PDF: Wilo-VeroLine-IP-Z


Page selection

Format selection

Optional information

You can enter any personal information that you want to be displayed in the header.