Twin screw extruder

Dr. Collin ZK 25

Twin-Screw Extruder / Twin-Screw Kneader COLLIN ZK 25

For sale is a COLLIN ZK 25 twin-screw extruder in a compact laboratory or technical center design. The machine is ideal for trials, compounding, product development, as well as smaller-scale production applications.

The extruder features a screw diameter of 2 x 25 mm with a process length of 36 D (6x6 D). Depending on the configuration, screw speeds of 460 / 600 / 800 min⁻¹ are possible. The drive power is 9.7 / 12.5 / 16 kW. The maximum melt pressure is 320 bar, and the maximum melt temperature is 400 °C.

The machine is equipped with multiple heating zones. Barrel heating is 1 x 850 W plus 5 x 1200 W, and nozzle/adapter heating is 600 W. Water cooling is available, and temperature control is provided for zones 1 to 6, with water cooling connected via hose.

Technical Data:
• Manufacturer: COLLIN
• Model: ZK 25
• Design: Twin-screw extruder / Twin-screw kneader
• Screw diameter: 2 x 25 mm
• Screw length: 36 D
• Screw speed: 460 / 600 / 800 min⁻¹
• Max. melt pressure: 320 bar
• Max. melt temperature: 400 °C
• Weight: approx. 550 kg
• Dimensions:
• Length: approx. 2,100 mm
• Width: approx. 600 mm
• Height: approx. 1,900 mm
• Screw center height: approx. 1,100 mm

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Electrical Data:
• Connection: 3 x 400/230 V, 50/60 Hz
• Power supply: L1 / L2 / L3 / N / PE
• Fusing: 3 x 50 A
• Max. connected load with downstream units: 30 kW

Applications:
Ideal for laboratory usage, technical centers, R&D, test series, compounding, and material testing.

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