Extruders & Compounding Machines

ZSK Food Extruders

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The ideal extrusion system for many types of food and pet food

Coperion’s twin screw extruder ZSK Mv¹⁴ provides ideal conditions for the extrusion of many types of food and pet food products. The process section of the ZSK twin screw extruder consists of several barrels in which the co-rotating screws operate. The closely intermeshing screws with their tight selfwiping profile eliminate stagnant zones over the whole length of the process section. The effect of this is a constantly high conveying efficiency and perfect self-cleaning.

The modular design of the ZSK Mv¹⁴ and its unusual combination of free screw volume, screw speed and torque enable this twin screw extruder series to be individually configured for every application. The complete portfolio includes a wide range of sizes, allowing customers to process any required throughput range from laboratory to production scale.

Advantages of Coperion's ZSK food extruders

  • Hygienic product design: open frame, stainless steel
  • Easy to clean: less downtimes due to fast, efficient cleaning
  • Less inspection due to optimal accessibility
  • Control system: easy to operate, smart and safe
  • High operational reliability and durability
  • Specific torque 13.6 Nm/cm3
  • Screw speed up to 1800 min-1

Related Industries

  • Food & Pet Food

Typical areas of application of the ZSK Mv¹⁴ extruder

  • Pet food, treats, aquatic feed
  • Flours and starches
  • Cereals, snacks
  • Encapsulation processes
  • Confectionery
  • Meat analogues, texturized protein
  • Biodegradable products

Technical advantages

Coperion twin screw extruder ZSK screw elements

The deeply cut screw flights with a diameter ratio Do/Di of 1.8 result in a very large free screw volume.

  • Improved feed intake of additives with a low bulk density such as
    flours, starches, pigments, fillers, additives
  • Lower shearing
  • Reduced thermal stress on the raw materials
  • Longer residence time for reaction processes
  • Safe devolatilization
Coperion twin screw extruder ZSK twin screws

The ZSK Mv¹⁴ series is designed for speeds up to 1,800 rpm.

  • Increase in throughput by up to 3 or 4 times in comparison to
    the preceding ZSK Mv model
  • Lower investment and operating costs due to smaller machine sizes
    at the given throughput rate
  • Favorable price-performance ratio
Coperion twin screw extruder ZSK MvPLUS Screw elements

The specific torque of the ZSK Mv¹⁴ is 13.6 Nm/cm3. It has been increased by 20% in comparison to the preceding ZSK Mv PLUS model.

  • Another increase in throughput of up to 20% in comparison to
    the preceding series
  • Extended operating window
  • Greater recipe flexibility

Technical Data

ZSK Max. screw speed [min-1] Screw diameter [mm]
ZSK 18 MEGAlab 1,200 18
ZSK 27 Mv¹⁴ 1,800 27
ZSK 34 Mv¹⁴ 1,800 34
ZSK 43 Mv¹⁴ 1,800 43
ZSK 54 Mv¹⁴ 1,800 54
ZSK 62 Mv¹⁴ 1,800 62
ZSK 76 Mv¹⁴ 1,800 76
ZSK 98 Mv¹⁴ 1,500 98
ZSK 125 Mv¹⁴ 1,500 125
ZSK 140 Mv¹⁴ 1,000 140
ZSK 248/250 Mv PLUS 300* 248

*  Laboratory extruder with mit Da/ Di = 1,55

** Higher screw speeds upon request.

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