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MKPL-S – PFA Lined Self-Priming Magnetic Drive Chemical
Process Pump

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  • Pump dimensions to DIN ES ISO 2858
  • Metal casing with a thick vacuum-, corrosion- and permeation-resistant PFA lining
  • Bearing assembly made of pure SSiC in a robust design engineered for ceramics
  • PFA lined metal plain bearing carrier maintaining a constant clearance between the impeller and casing, even at high temperatures
  • Plain and thrust bearings secured with polygonal form-fit, self-centring anti-rotation devices
  • Plastic impeller firmly secured to prevent loosening in case of reverse pump rotation
  • One-piece, vacuum-resistant, non-metallic containment shell
  • Open impeller with a metal core for low NPSH
  • Integral priming chamber for high reliability and safety
  • Self-priming with suction lift up to 8.5 m
  • Modular system consisting of few components

MKPL-S Brochure | Order »
MKPL-S Fact Sheet
MKPL-S Exploded View


Operation Range
Capacities 0.5 to 35 m3/h
Heads 3 to 40 m
Pressure rating PN 16
Temperatures -20° to +150°C
Kinematic viscosities 0.5 to 350 mm2/s
Solids handling Up to 10% solids concentration, depending on the pumped fluid
Casing Material
Cast iron/plastic GGG 40.3 with vacuum-resistant PFA lining
Working Principle
Radial flow pump
Stages Single stage
Priming Method
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 Cast iron with PFA lining
Connection flanges To EN 1092-2
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
Lantern monitoring connection

Gasket materials PTFE
O-ring materials FEP/FKM

Bearing Assembly

SSiC (sintered silicon carbide)
SSiC with diamond-like coating (ADLC)
SSiC with FuturaSafe®

Containment Shell

Carbon fibre reinforced PTFE
Heat-resistant carbon fibre reinforced PTFE
Carbon fibre reinforced PVDF

Double-walled cont. shell With containment shell leakage monitoring

Pump Protection
Containment shell With containment shell monitoring
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 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


A wide variety, including:

  • Chlor-alkali electrolysis
  • Sulfuric acid recycling
  • Tank unloading


Hot and/or highly concentrated acids, alkalis (bases), solvents and diffusing fluids. For example:

  • Bromine
  • Chlorine
  • Nitric acid
  • Phosgene
  • Potassium hydroxide solution
  • Sodium hydroxide solution
  • Sulphuric acid

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