CP PUMPEN AG, Im Brühl, 4800 Zofingen, Switzerland
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MSKP – Solid PTFE Magnetic Drive Chemical Process Pump

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  • Pump dimensions to DIN EN ISO 2858
  • Thick vacuum-, corrosion- and permeation-resistant solid plastic
  • Bearing assembly made of pure SSiC in a robust design engineered for ceramics
  • Closed impeller with a metal core
  • Use of carbon-filled PTFE to prevent electrostatic charging on the casing
  • Available in carbon-filled PTFE, virgin PTFE or PVDF
  • Polygonal form-fit anti-rotation device
  • Impeller firmly secured to prevent loosening in case of reverse pump rotation
  • Non-metallic containment shell to eliminate eddy current losses

MSKP Brochure | Order »
MSKP Fact Sheet


Operation Range
Capacities 0.2 to 140 m3/h
Heads 1 to 90 m
Pressure ratings PN 2 to PN 10
Temperatures -20°C to +150°C
Kinematic viscosities 0.5 to 350 mm2/s
Solids handling Up to 5% solids concentration, depending on the pumped fluid
Casing Materials
Plastic Carbon-filled PTFE
Other materials Virgin PTFE, PVDF
Working Principle
Radial flow pump
Stages Single stage
Priming Method
Flooded suction
Sealing System
Magnetic coupling
CP's standard configuration Close-coupled (-20°C to +150°C)
EN standard configuration Frame-mounted (-20°C to +150°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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