WWC Contact Cleaner

Wide range contact cleaner for reduction of contamination up to 98%.

The KELVA WWC unit is suitable for highly efficient double sided contact cleaning for webs from 700 up to 1300 mm and web speeds up to 400 m/min.

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The KELVA WWC contact web cleaning system comes in two different versions, depending on polymer roller size needed. It uses a two-stage contact cleaning method. Specially formulated (ø112 mm) polymer rollers remove contaminants from the substrate as it passes through the system. The particles are transferred to the second stage adhesive trap (adhesive roll). The clean web then passes through a static neutralization system to reduce the risk of recontamination.

To allow easy purging the adhesive rolls are independently mounted on a carriage that can be pulled out to the side giving you quick clear access. Replenishment of the adhesive can be done while the machine is running (no need to stop the machine). The top part of the WWC also opens up to give access to the polymer rollers for cleaning and threading up of the web.

Highlights:

  • Reduces contamination up to 98 %
  • Polymer roller stays in good contact with the web – even at low pressure
  • Low-silicone polymer roller
  • Double sided cleaning

Specifications:

  • Application: Available in 5 different standard sizes, from max web width 700 – 1300 mm
  • Max. web speed: 400 m/min
  • Power: 24 VDC, 115/230V, 50/60 Hz for anti-static device
  • Pneumatic requirement: 5 bar
  • Operation: Integrated push buttons, integrated pneumatic hand valve or 24VDC

Typical applications

Printing

Web cleaning is a vital secret behind flawless print quality and a thriving printing business.

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Packaging

Web cleaning is a key factor for making top-quality packaging and thus ensuring businesses can operate at their best level while guaranteeing the highest customer satisfaction.

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Film + Foil

Special web cleaning solutions for eliminating dust and contaminants from fragile and highly static foil and thin-film surfaces.

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Installation examples

KELVA Adhesive rolls

Adhesive rolls from KELVA are specially formulated polymer rollers to remove contaminants from the substrate as it passes through the contact cleaner. They assure high quality contact cleaning. The KELVA adhesive rolls are easy to handle, and economic, as you take off the correct amount everytime. Available in standard and nonstandard widths, in sheeted, pre-cut rolls from stock.

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