VeroTwin-DPL is a glanded, single-stage, low-pressure double pump of in-line design with a flange connection.

It is used for pumping heating water (in accordance with VDI 2035), water-glycol mixtures and cooling and cold water without abrasive substances in heating, cold water and cooling water systems.

Key features / advantages

  • High-efficiency motors as standard; from 0.75 kW nominal motor power: motors with IE2 technology
  • Reduction of space required and installation costs due to double pump design
  • Main/standby mode or peak-load operation (by means of external auxiliary device)
  • Standard condensate drainage holes in the motor housings and lanterns
  • High corrosion protection thanks to cataphoretic coating
  • Series version: Motor with one-piece shaft
  • Version N: Standard motor B5 or V1 with stainless steel plug shaft
  • Bidirectional mechanical seal with forced flushing
  • Easy to install thanks to feet with threaded holes on the pump housing for all flange-end pumps

Technical data

  • Permissible temperature range -20 °C to +120 °C
  • Mains connection 3~400 V, 50 Hz (others on request)
  • Protection class IP 55
  • Nominal diameter DN 32 to DN 100
  • Max. operating pressure 10 bar (special version: 16 bar)

Materials

  • Pump housing and lantern: EN-GJL-250
  • Impeller: PP fibreglass-reinforced /EN-GJL-200 (depending on pump type)
  • Shaft: 1.4021
  • Mechanical seal: AQ1EGG; other mechanical seals on request