Magnetically coupled centrifugal pumps by RENNER

Magnetic drive pumps RM

Our magnetically coupled centrifugal pumps are hermetically sealed and absolutely leak-free due to their non-contact torque transmission. Pumps made of plastic or stainless steel are placed outside of the medium or container and integrated into the plant’s piping system.

  • Environmentally friendly, absolutely leak free
  • Reliable in operation
  • Extremely high efficiency
  • Solid plastic version
  • Available in safe-to-run-dry versions:
  • RM-TS 2 to RM-TS 4
  • Optional variable frequency drive
  • All pumps available with high efficiency motors
  • Electroplating
  • Caustic and purifying plants
  • Chilling devices
  • Solar systems
  • Waste and fresh water treatment
  • Photographic industries
  • Textile and foodstuff industries
  • etc.
  • PP black, gray or natural (available with or without fiber glass)
  • PVDF black and natural (no fiber glass)
  • ECTFE natural
  • PPS (Ryton®)
  • Stainless steel
  • Ceramics (SIC or Al2O3 [high purity 99.7 %])
  • EPDM
  • FKM
  • FFKM
  • Kalrez
  • FEP-encased
  • Hmax = up to 65 mWS
  • Qmax = up to 102 m3/h [1,700 l/min]
  • 5 W to 22 kW
  • All voltages / frequencies
  • Asynchronous single or three phase
  • Synchronous PM
  • DC motors 12 V – 48 V
  • Protection classes: IP55, IP56, IP66, IP67, IP68
  • Tropical insulation
  • Anti-condensation heater
  • VIK version
  • UL, CSA-c/US version
  • Motor cooling IC 411 (integrated fan), IC 410 (surface cooling)
  • Witworth pipe thread (sealing surface with O ring groove or for gasket)
  • Flange DIN2501, ANSI-Class 150
  • NPT adapter
  • Density:
    up to max. 2.0 kg/dm3
  • Viscosity:
    up to max. approx. 160 mPas (cP)
  • Acid and alkaline solutions, mixtures
  • Solvents
  • Alkaline degreasing baths
  • Electrolytic baths
  • Photo chemicals
  • Radioactive, sterile, precious liquids
  • Foodstuff
  • Other liquid media
  • PP:
    0 to +80 °C
  • PVDF:
    -20 to +95 °C
  • ECTFE:
    -20 to +100 °C
  • PPS (Ryton®):
    -20 to +100 °C
  • Stainless steel:
    -20 to +100 °C
  • Ceramics:
    -20 to +100 °C
  • PTFE Graphite:
    -20 to +100 °C
  • Corrosion-free plastic pumps
  • Energy efficient thanks to high overall efficacy of the system (pump / motor)
  • Reliable power transmission due to powerful magnetic couplings

Magnetic centrifugal pumps overview

* = suitable only for 60 Hz operation
** = 4-poles

Magnetically coupled centrifugal pumps by RENNER are mainly used for industrial applications. Motors and pumps are mechanically separated. Therefore the conventional sealing of the drive shaft is no longer necessary, which helps to avoid leakage and corrosion problems.
The RENNER Module System allows the specific combination of different types of pumps, according to your application. Our pumps are made of extremely resistant materials. The functional design facilitates installation and maintenance of the pumps and guarantees their long life.

Aggressive, inflammable, smelling, explosive, precious or highly pure fluids used in chemical, biochemical or electroplating industries, in laboratories or medical appliances – no matter what fluid you want to deliver, RENNER has the right pump to do the job.

Choice of material

Metal-free and all-plastic making of our pumps is standard since this design guarantees best protection from corrosion. Housings may be also made of special stainless steel. We offer the right combination of materials for any fluid to be delivered, depending on its temperature.

The following materials are available:

Components Short designation Material Temperature
All parts in contact
with the medium
PP Polypropylene 0 up to +80 °C
PVDF Polyvinylidenfluoride -20 up to +95 °C
PPS Ryton® -20 up to +100 °C
Stainless steel 1.4305, 1.4571 -20 up to +100 °C
Titanium 3.7035 -20 up to +100 °C
Oxide ceramics Al-Oxid 99.7 % -20 up to +100 °C
Seals EPDM Ethylene-Propylene-Diene-Rubber -15 up to +100 °C
FPM Viton® -20 up to +100 °C
FEP-coated Viton® FEP-coated -20 up to +100 °C
NBR Nitrile-Butadiene-Rubber (Perbunan) -20 up to +100 °C