Extruders & Compounding Machines

ZSK Mv PLUS Extruder

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The ideal extruder for products with high volume requirements

Coperion sets standards with the ZSK Mv PLUS twin screw extruder. This extruder series unites an optimally balanced large free screw volume with high screw speeds and a high specific torque. Products with a specific energy requirement < 0.13 kWh/kg can be produced with much higher throughput rates as a result. The formulation flexibility and the productivity of the plant increase considerably.

Advantages of the ZSK Mv PLUS extruder at a glance

  • Maximum power density
  • Gentle product handling for maximum quality
  • Maximum screw speed
  • Maximum productivity
  • Maximum conservation of resources by high efficiency
  • Maximum flexibility in product changes and machine modifications
  • Optimum graduation of the machine sizes
  • Excellent mixing behaviour
  • Reliable scale-up
  • Very wide range of wear protection solutions
  • Comprehensive process engineering support
  • Flexible solutions for control system
  • High reliability and proven technology of the machines
  • Comprehensive after-sales services by worldwide Coperion service network
  • Large number of application-specific solutions to increase throughput and productivity, e.g. quick-release features, side devolatilization ZS-EG, Feed Enhancement Technology (FET)

Typical areas of application of the ZSK Mv PLUS extruder

  • Processes with high volume requirement such as products with a low bulk weight, poor feed properties or high filler content
  • Devolatilization processes, e.g. in substances containing solvents
  • Processes with low energy consumption
  • Shear sensitive products (e.g. effect pigment masterbatch)
  • Carbon black masterbatch
  • PET masterbatch
  • HFFR (ATH, Mg(OH)2)
  • Cross linkable cable compounds
  • PVC
  • Rubber
  • Polymerization (PU, POM)
  • Powder coating
  • Catalyst carrier
  • Adhesives, sealants
  • PP/hollow glass
  • Food
  • Pet food
  • Cereals, starch

Technical Advantages

Coperion twin screw extruder ZSK screw elements

The free screw volume is very high due to the deeply cut screw channels with a diameter ratio Do/Di of 1.8.

  • Improved feeding of additives with a low bulk weight such as flours, starches, pigments, fillers, additives
  • Lower shear stress
  • Reduced thermal stress of the raw materials
  • Greater residence time for reaction processes
  • Safe degassing
Coperion twin screw extruder ZSK twin screws

The ZSK Mv PLUS series is designed for speeds of up to 1,800 rpm.

  • Increase in the throughput rate by 3 or 4 times in comparison with the predecessor model ZSK Mv
  • Good price/performance ratio
  • Lower investment and operating costs due to smaller machine sizes for the given throughput rate
Coperion twin screw extruder ZSK MvPLUS Screw elements

The specific torque of the ZSK Mv PLUS is 11.3 Nm/cm3. It has been increased by 30% in comparison with the predecessor model ZSK MEGAvolume.

  • A further increase in the throughput rate of up to 40% in comparison with the predecessor series
  • Extended operating window
  • Greater formulation flexibility

Electronically Secured Maintenance Opening at Gearbox Lantern

The gearbox lantern of Coperion ZSK twin screw extruders can be optionally equipped with an electronically secured maintenance opening. As soon as the screw shafts come to a complete stop, service personnel can open the gearbox lantern without tools, guaranteeing secure, easier access to the screw shaft coupling.

This feature, which is available from a size of ZSK 32, significantly simplifies screw changes and maintenance, which again reduces the machine’s downtimes, thus contributing to greater efficiency of the system.

Technical data of the ZSK Mv PLUS

ZSK Max. torque per shaft [Nm] Specific torque Md/a3 [Nm / cm3] Max. screw speed [min-1] Max. motor power N [kW] Screw diameter [mm]
ZSK 27 Mv PLUS 100 10.6 1,800 40 27
ZSK 34 Mv PLUS 205 11.3 1,800 81 34
ZSK 43 Mv PLUS 420 11.3 1,800 166 43
ZSK 54 MvPLUS 815 11.3 1,800 323 54
ZSK 62 Mv PLUS 1,250 11.3 1,800 495 62
ZSK 76 Mv PLUS 2,250 11.3 1,800 900 76
ZSK 98 Mv PLUS 5,000 11,3 1,500 1,649 98
ZSK 125 Mv PLUS 10,300 11.3 1,500 3,397 125
ZSK 248/250 Mv PLUS 44,000 6.0 300* 2,800 248

* Higher screw speeds upon request.

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