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MKTP – Stainless Steel Magnetic Drive Chemical Process
Sump Pump

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  • Magnetic drive sump pump with a column length up to 4 m
  • Ideal for emptying tanks that have no bottom drain
  • Combinable with an injector to provide a tank unloading system for emptying large tanks
  • Ingeniously simple pump design consisting of few components
  • Central bearing assembly allowing compact construction and eliminating the need for a plain bearing carrier
  • Use of a single product-lubricated bearing that overcomes the common weak point of conventional pumps
  • Sophisticated bearing lubrication for extra capability to handle difficult applications and high solids concentrations in fluids
  • Lower energy consumption when fitted with a non-metallic containment shell to eliminate eddy current losses
  • Vast choice of materials of construction ranging from high-alloy stainless steel, nickel and nickel-base alloys to other special alloys

MKTP Brochure | Order »
MKTP Fact Sheet


Operation Range
Capacities 0.25 to 250 m3/h
Heads 3 to 100 m, column length up to 4 m
Pressure rating PN 16
Temperatures -20°C to +170°C
Kinematic viscosities 0.5 to 350 mm2/s
Solids handling Up to 30% solids concentration 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
EN standard configuration Frame-mounted (-20°C to +150°C)
Additional options Vertical, sump pump mount
EC Directives
2006/42/EC (Machinery), 2014/34/EC (ATEX)
Standards DIN EN ISO 2858, 5199 and 15783


Jacketed Casing
Materials of construction Stainless steel (e.g. 1.4306, Uranus® B6)
Duplex alloys (e.g. 1.4517)
Nickel (e.g. 2.4170) and nickel-base alloys (e.g. Hastelloy® C-4, C-22)
Titanium (Grades 2 and 7) and titanium alloys (e.g. Grade 5)
Ceramic coating
Connection flanges To EN 1092-1
Drilled to ANSI/ASME B16.5
Additional connections Casing drain (with or without flange)
External flush connection for bearing lubrication and/or flushing and cooling the magnet assembly
Manometer connection on the casing
Lantern monitoring connection
Flange connection for heating jacket*
Heating jacket drain (with or without flange)*
Other casing connections to meet customer needs
*Available for jacketed casing only
Gasked materials PTFE
Graphite/stainless steel 1.4401
Graphite/nickel-base alloy 2.4819 (Hastelloy® C-276)
Sigma 511®/NT-CHEM-beige®
Plug seal materials PTFE
Silver-plated nickel
Casing wear ring

Bearing Assembly
Materials SSiC (sintered silicon carbide)
SSiC with graphite
SSiC with diamond-like coating (ADLC)
SSiC mit FuturaSafe®
Nickel-bound tungsten carbide
Nickel-bound tungsten carbide with diamond-like coating (ADLC)

Containment Shell
Materials Stainless steel
Hastelloy® C
Heavy-duty plastic (eliminating eddy current losses)
Zirconia ceramic (eliminating eddy current losses
Coating Al2O3 ceramic
Cont. shell vortex breaker
Containment shell insulation
Double-walled cont. shell With containment shell leakage monitoring

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

Types Baseplate
Angle stand
Centreline support
Stilt support plate
Materials Steel
Stainless steel
Drip pan

Bearing Frame

Oil lubrication
Grease lubrication

Oil lubrication options Hermetic seal (MagTecta OM™)
Constant level oiler
Oil cooling with or without thermostat
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:

  • 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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