CP Pumpen AG

Model MKP - Stainless Steel Magnetic Drive Chemical Process Pump



Pump dimensions to DIN EN ISO 2858. Compact design with virtually no dead areas, allowing easy and efficient heating. Horizontal and vertical configurations available. Hydraulically balanced impeller for minimum bearing loads. Internal and external bearing lubrication and flush options. Solids handling capability up to concentrations of 30% and a particle size of 1 mm depending on the pumped fluid. Lower installation costs due to a single heating jacket for heating. Excellent heat distribution reducing temperature differences and preventing cold zones. Fast heat-up time assured by high heat transfer efficiency and heating energy delivered directly into the fluid chamber. Modular system consisting of just a few components, easy assembly

Operation Range

Capacities 0.25 to 650 m3/h
Heads 3 to145 m
Pressure ratings PN 16, PN 25
Temperatures -100°C to +350°C
Kinematic viscosities 0.5 to 350 mm2/s
Solids handling Up to 30% solids concentation and 1 mm particle size, depending on the pumped fluid

Casing Materials
Stainless steel 1.4581 (316Ti)
Other materials Stainless steel (e.g. 1.4306, Uranus® B6), duplex alloys (e.g. 1.4517),  nickel-base alloys (e.g. Hastelloy® C-4, C-22), nickel (e.g. 2.4170), titanium (e.g. Grades 2 and 7) and titanium alloys (e.g. Grade 5) ceramic coating
Working Principle Radial flow pump
Stages Single stage Priming Method
Flooded suction Sealing System
Magnetic coupling

CP's standard configuration Close-coupled (-100°C to +250°C)
EN standard configuration Frame-mounted (-100°C to +350°C)
Additional options Horizontal, vertical, bracket, centreline support (HT), in-line
EC Directives 2006/42/EC (Machinery), 94/9/EC (ATEX)
Standards DIN EN ISO 2858, 5199 and 15783
Other Regulations FDA 21 CFR §177


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


A wide variety, including:

  • Aseptic processes
  • Chlor-alkali electrolysis
  • MDI processes
  • Refrigeration and heating cycles
  • Tank unloading
  • TDI processes


Acids, bases, solvents, heated, crystallising and refrigerated liquids, as well as fluids containing solids. For example:

  • Hydrogen peroxide
  • Molten sulphur
  • Nitric acid
  • Oleum
  • Phosgene
  • Phosphoric acid
  • Potassium hydroxide solution
  • Sodium hydroxide solution
  • Sulphuric acid
  • Toluene

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