Main applications

  • Building services
  • HVAC
  • Heat transfer, Cooling circuits
  • Heating / ventilation / air-condition
  • Industry engineering
  • Special processes

Design type

Circulator pumps

Technical data

Q max 10.0 m³/h
H max 6.0 m


Screw-ended dry rotor pump with mechanical seal and fixed speed.


Hot water supply systems, swimming pools, cooling circuits and industrial plants.

Further technical information about Riotherm

Overview of technical data

Q (50Hz) 0.0 – 10.0 (m³/h)
H (50Hz) 0.4 – 6.0 (m)
Type of bearing Ball bearings
Drive Electric motor
Drive frequency 50 Hz
Type of drive Electric motor
Drive voltage Low voltage
Impeller material (EN standard) KUNSTSTOFF
Type of installation In-line
Type of coupling None
Type of lubrication Grease lubrication
Max. permissible fluid temperature 110 (°C)
Nozzle position In-line
Maximum operating pressure PN 10
Pump set location Dry installed
Shaft material (EN standard) CHROM-NICKEL-STAHL, 1.4305
Suction characteristics Non-priming
Suitable for drinking water Yes
Type of casing Volute casing
Type of impeller Closed / Radial
Type of connection Thread
Casing material (EN standard) JL1040, BRONZE
eClass assignment 36410000, 36410100, 36410101, 36410105
Installation position Any
Shaft seal type Seal-less, Mechanical seal
Main applications Building services, Water
Casing material Cast iron, Bronze
Maximum discharge-side pressure 10 (bar)
Maximum drive rating 0,12 (kW)
Type of installation Stationary
Maximum speed of rotation 2850 (1/min)