• Overview
  • CombiChem is SPX Johnson Pump’s solution for liquid transport in the chemical industry. It is one of the most outstanding pump types of the Combi-system. The Combi-system is a modular programme of single stage centrifugal pumps with a high degree of interchangeability of parts between the different pump constructions.

    CombiChem represents a range of horizontal centrifugal pumps, designed to ISO 2858 / EN 22858 (DIN 24256), suitable for handling low viscosity, clean or slightly contaminated liquids.

    The design of CombiChem complies entirely to ISO 5199. The CombiChem offers a great variety of possible shaft sealings, bearing constructions and also a wide range of different materials, such as stainless steel, bronze, nodular cast iron or cast iron.

    A leak free version of the CombiChem is the CombiMag, a magnetic coupled centrifugal pump, especially developed for the chemical industry.

  • Technical Specification
  • Max. capacity                     800 m3/h 

    Max. head                          160 m 

    Max. working pressure       1600 kPa (16 bar) 

    Max. temperature               200 °C 

    Max. speed                        3600 rpm

    Materials                            Cast Iron, nodular cast, iron, bronze,

                                               stainless steel


  • Features
  • Standardized and modular design


    Flanges according to ISO 7005 PN 16


    For stainless steel execution 150 lbs ANSI B 16.5 available


    Outstanding hydraulic performance


    High efficiency impeller


    Closed impeller with back vanes providing axial balancing of impeller loads


    Half open impeller with wear plate and external adjustment


    Easy maintenance through the Back-Pull-Out principle


    Single unbalanced / balanced seals to EN 12756 (DIN 24960)


    Single and double cartridge seals with seal support system


    Quenched shaft sealing


    Atex certification


    Dry-shaft design, pumped liquid not in contact with the shaft


    Heating jacket optional


    Robust shaft design


    Extended life time


    2-Deepgroove ball bearings or double row angular contact thrust bearing and cylindrical roller bearing


    Grease or oil bath lubricated bearing


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