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CONEX® - Metering pump system

Metering pump for CONstant EXacte metering of different materials

Use of plunger- or bellow pumps according to application technique

Figure: Example of a pump out of CONEX® product line

Available application techniques
  • Cold paints
  • 2 component cold-plastics
  • Sprayable 2 component cold-plastics
  • Sprayable Thermoplastics

For nearly all cold and hot applied marking materials with and without mixed-in glass beads / anti skid materials (abrasive materials)

Plunger pump:
No concealed working pistons inside the discharge cylinder, just visually inspectable seals against the outside. Optimum strain effect on the sealing.The stress on the sealing is a stretch load, in contrast to conventional piston pumps with pulling and strongly stressed pressing sealing process. Precondition for the application of abrasive materials.

Bellow pump:
No concealed working pistons inside the discharge cylinder since it is a seal-free system.


MALCON4: Control unit that allows to enter marking line values for width and thickness

The necessary material quantity in accordance with the speed is transmitted via CAN bus to the pump which supplies the controlled quantity of material

The line thickness resulting from the feedback is logged with GPS coordinates in compliance to ZTV-M (German Additional Technical Contractual Conditions and Directives for Marking on Streets)

By entering other specification data you can create logs which are often required by contractors

No negative pulsation and no flow losses which could be detrimental to the road marking quality

Available application techniques
  • Cold paints
  • 2 component cold-plastics
  • Sprayable 2 component cold-plastics
  • Sprayable Thermoplastics

Metering pumps for 1 component cold paint applications
Delivery rates:
12 l/min, 18 l/min or 24 l/min

Metering pumps for 2 component cold plastic applications
Delivery rate:
approx. 35 l/min

Metering pumps for 2 component sprayable cold plastic applications
Delivery rate:
12 l/min, 18 l/min or 24 l/min

Metering pumps for sprayable thermoplastic applications
Delivery rate:
approx. 40 l/min

  • Brochure State-of-the-Art Technology

    Brochure State-of-the-Art Technology

  • Brochure MALCON4/4E

    Brochure MALCON4/4E

  • Brochure Metering Technology

    Brochure Metering Technology

  • HOFMANN Info 396 [05/2018]

    HOFMANN Info 396 [05/2018]


    For line combinations: Pressure container or metering pump?

  • CONEX® metering pump with infinitely variable hardener ratio for machines equipped for the application of Airless 98:2 sprayable cold plastics
    Zoom

    CONEX® metering pump with infinitely variable hardener ratio for machines... more

  • CONEX® metering pump with infinitely variable hardener ratio for machines equipped for the application of Airless 98:2 sprayable cold plastics
    Zoom

    CONEX® metering pump with infinitely variable hardener ratio for machines... more

  • Metering process: Plunger pump for cold paint Airless with MALCON4E
    Zoom

    Metering process: Plunger pump for cold paint Airless with MALCON4E

  • Metering process (sketch): Plunger pump for cold paint Airless with MALCON4E
    Zoom

    Metering process (sketch): Plunger pump for cold paint Airless with MALCON4E

  • Metering process: Bellow pump for 98% main component as well as gear pump for 2% hardener component, for 2-component cold plastics with MALCON4E. Double-Line-System possible.
    Zoom

    Metering process: Bellow pump for 98% main component as well as gear pump for 2%... more

  • Metering process (sketch): Bellow pump for 98% main component as well as gear pump for 2% hardener component, for 2-component cold plastics with MALCON4E. Double-Line-System possible.
    Zoom

    Metering process (sketch): Bellow pump for 98% main component as well as gear... more

  • Metering process: Plunger pump for 98% main component as well as 2% hardener component, for sprayable 2-component cold plastics with MALCON4E. Double-Line-System possible.
    Zoom

    Metering process: Plunger pump for 98% main component as well as 2% hardener... more

  • Dosierverfahren (Skizze): Plungerpumpen für 98% Stammkomponente sowie 2% Härteranteil, für spritzbare 2K Kaltplastiken mit MALCON4E. 2-Linien-System möglich.
    Zoom

    Metering process (sketch): Plunger pump for 98% main component as well as 2%... more

  • Metering process: Bellow pump for sprayable thermoplastics with MALCON4E. 3-Line-system possible.
    Zoom

    Metering process: Bellow pump for sprayable thermoplastics with MALCON4E.... more

  • Metering process (sketch): Bellow pump for sprayable thermoplastics with MALCON4E. 3-Line-system possible.
    Zoom

    Metering process (sketch): Bellow pump for sprayable thermoplastics with... more

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