High-Performance Air Rings 
KARAT
For a maximum performance of your production lines!
The decisive factor for the film quality and performance of blown-film extrusion lines is the air ring. Therefore Kdesign has developed the high-performance air ring KARAT, which has been proving its productive efficiency on several hundred lines, day by day.
The development of the KARAT air ring is based on substantial fluidic studies and thorough practical tests, along with our customers.
The high-performance air ring KARAT
stands out for:
- Highest cooling rate
- Improved film tolerances
- Absolute even air distribution
- Excellent bubble stability
- Maximum air flow, minimum pressure drop
- Easy handling
- Optimal retrofitting of gauge control system VARIOcool
COM 3
Die neue Dimension
in der Folienkühlung
The new KARAT COM 3 counter flow
cooling sets new standards:
- Considerably higher throughput
- Production output:
Die for FFS: 180 mm - output 330-400 kgh
Die for stretchhood: 280 mm - output 400-450 kgh
Die for barrier film: 350 mm - output 550-600 kgh - Easy handling + wide range of operation
- Low energy consumption (relating to output -kg)
- Easy to retrofit + fast return of investment
- Quick and effective profile optimisation by patented air volume gauge control systemVARIOcool
All air rings made by Kdesign are designed according to user requirements and are suitable for the following applications:
- Die sizes of up to 2200 mm diameter
- Stationary and rotating die heads
- Normal or long-neck bubble
We offer a wide range of optional equipment for our air rings, such as:
- Motorised lip adjustment
- Lifting devices (for die gap cleaning and production optimisation)
- Housing insulations to avoid the forming of condensed water
- Blowers and heat exchangers
- Air distribution systems
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