Electronically controlled glanded double pump in in-line design with flange connection and automatic power adjustment.

Single-stage, low-pressure double pump in in-line design with:

  • Switchover valve
  • Mechanical seal
  • Flange connection
  • Drive with integrated electronic speed control

For pumping of heating water (acc. to VDI 2035), cold water and water/glycol mixtures without abrasive substances in heating, cold water and cooling systems.

  • Energy savings due to integrated electronic control
  • Optional interfaces for bus communication using plug-in IF-Modules
  • Simple operation with red-button technology and display
  • Integrated dual pump management
  • Integrated full motor protection (PTC thermistor sensor) with trip electronics

  • Minimum Efficiency Index (MEI) ≥ 0.4
  • Permissible temperature range -20 °C to +120 °C
  • Mains connection 3~400 V ±10 %, 50 Hz; 3~380 V -5 % +10 %, 60 Hz
  • Protection class IP 55
  • Nominal diameter DN 32 to DN 80
  • Max. operating pressure 10 bar (special version: 16 bar)
  • Material(s) Pump housing and lantern: EN-GJL-250, Impeller: PPO-GF30, Shaft: 1.4021, Mechanical seal: AQEGG; other mechanical seals on request
  • Optional features Version R1 without differential pressure sensor, H5 variant with PN16 housing (at additional charge), S1/-S2 variant with special mechanical shaft seals (at additional charge)
  • Accessories 3 Mounting brackets with fixation material for installation on a base, Blind flanges for double pump housing, IR-Monitor, Wilo-IR-Stick, IF-Module PLR for connecting to PLR/interface converter, IF-Module LON for connection to the LONWORKS network, IF-Module BACnet, IF-Module Modbus, CAN IF-Module, VR-HVAC control system, Control system CCe-HVAC, Control system SCe-HVAC, Differential pressure sensor (DDG)