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MSKS – Solid PTFE Self-Priming Magnetic Drive Chemical Process Side Channel Pump

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  • Self-priming with suction lift up to 8.5 m
  • Very robust design
  • Corrosion-resistant, hermetically sealed, for fluids with a gas content up to 25%
  • Pressure rating of PN 10 and vacuum resistance, even at high temperatures
  • Generously dimensioned, rugged plain bearings made of pure SSiC to withstand the highest stresses
  • Axial and radial SSiC bearing assembly for low wear
  • No separate priming tank; the suction line is automatically evacuated by vacuum
  • Insensitive to reverse rotation
  • Reduced energy consumption due to non-metallic containment shell preventing eddy current losses
  • Bump ring preventing damage to the containment shell
  • Available with close-coupled drive, fixed or mobile

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MSKS Fact Sheet


Operation  Range
Capacities 0.2 to 2.5 m3/h
Heads 1 to 34 m
Pressure rating PN 10
Temperature -20°C to +80°C
Kinematic viscosities 0.5 to 350 mm2/s
Solids handling 0%
Casing Materials
Plastic Carbon-filled PTFE
Other materials Virgin PTFE, PVDF
Working Principle
Side channel pump
Stages Single stage
Priming Method
Sealing System
Magnetic coupling
CP's standard configuration Close-coupled (-20°C to +80°C)
Mounting arrangement Horizontal
EC Directives
2006/42/EC (Machinery), 2014/34/EC (ATEX)
Standards DIN EN ISO 2858, 5199 and 15783

Materials of construction Carbon-filled PTFE
Virgin PTFE
Connection flanges To DIN 2526
Drilled to ANSI/ASME B16.5
Additional connections Casing drain (with or without flange)
External flush connection for bearing lubrication
Lantern monitoring connection
Pt100 connection
O-ring materials FEP/FKM

Bearing Assembly
Materials SSiC (sintered silicon carbide)
SSiC with diamond-like coating (ADLC)

Containment Shell
Materials PTFE
Double-walled cont. shell With containment shell leakage monitoring

Pump Protection
Double-walled cont. shell With containment shell leakage monitoring
Temperature monitoring Pt100 temperature probe
Motor load sensor

Type Baseplate
Materials Steel
Stainless steel
Drip pan

Bearing Frame
Lubrication Grease lubrication
Coupling guard Steel


  • Chemical processing:
    basic and fine chemicals
    (agrochemicals, speciality chemicals)
  • Pharmaceuticals
  • Biotechnology processing
  • Food and beverages
  • Pulp and paper


A wide variety, including:

  • Chlor-alkali electrolysis
  • Fertiliser production


Acids, bases, solvents and other fluids. For example:

  • Bromine
  • Dichloromethane
  • Ethanol
  • Hydrochloric acid
  • Hydrofluoric acid
  • Nitric acid
  • Sodium hydroxide solution
  • Sodium hypochlorite
  • Sulphuric acid
  • Tin chloride

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