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MKTP – Stainless Steel Magnetic Drive Chemical Process Sump Pump

Discover the benefits of the MKTP produced by CP here - The efficient and highly sump pump.

Find out more about our MKP pump in our animation.


Special features

  • Sump pump for submersion depths down to 4 m.
  • Ball bearings that can be lubricated externally as an option (with patent).
  • Ideal for unloading tanks with no outlet on the tank floor.
  • Can be combined with injector for unloading larger containers as a tank unloading system
  • Solids possible*
  • Sophisticated bearing flushing offers reserves for difficult applications and high solids concentration in fluids.
  • Corrosive/toxic media are pumped in total safety (without fluid and vapours escaping into the environment).


  • Compact & virtually free of dead space
  • No shaft feedthrough & leak-free
  • Single-part & central bearing
  • No plain bearing carrier
  • Eddy-current-free shroud possible (=> reduced energy consumption)
  • Low bearing forces due to hydraulically balanced impeller
  • Product-lubricated bearing eliminates common weak point on sump pumps
  • Inverted drive principl
  • Single-stage centrifugal pump


  • Available with double-wall heatable discharge pipe

Assembly & repair

  • Modular system made up of few individual parts
  • Assembly friendly

*In general, media with solids content can be transported, but application-specific verification in advance is necessary.

Technical data

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Capacities Arrow Black

SI: 0.25 to 250 m³/h
US: 1.1 to 1100.7 gpm

Heads Arrow Black

SI: 3 to 100 m, column length up to 4m
US: 9.8 to 328.8 ft, column length up to 13.1 ft

Pressure rating Arrow Black

PN 16

Temperatures Arrow Black

SI: -20 to +175°C
US: -4 to +347°F

Kinematic viscosities Arrow Black

SI: 0.5 to 350 mm²/s
US: 0.5 to 350 cSt

Solids handling Arrow Black

Up to 30% solids concentration and 1 mm particle size, depending on the pumped fluid

Casing Materials Arrow Black

Stainless steel 1.4581 (316)
Stainless steel (e.g. 1.4306, Uranus® B6)

Working Principle Arrow Black

Radial flow pump

Priming Method Arrow Black

Flooded suction

Sealing System Arrow Black

Magnetic coupling

Configuration types Arrow Black

EN standard: Bearing-frame (SI: -20 to +170°C/US: -4 to +338°F)

EC Directives Arrow Black

EC Machinery Directive
EC ATEX Directive

Standards Arrow Black

DIN EN ISO 5199, 15783

Casing Arrow Black

Jacketed Casing

Connection flanges
To EN 1092-1
Drilled to ANSI/ASME B16.5

Gasked materials
Pure Graphite
Sigma 511®/NT-CHEM-beige®

Plug seal materials
Silver-plated nickel

Bearing Assembly Arrow Black

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 Arrow Black

with Insulation
with Vortex breaker

Stainless steel
Hastelloy® C
Heavy-duty plastic (eliminating eddy current losses)
Zirconia ceramic (eliminating eddy current losses

Al2O3 ceramic

Pump Protection Arrow Black

Engine load sensor

Mounts Arrow Black

Vertical submersible pump