Mechanical methods
Cleaning with special apparatus– Operational experience
Remotely controlled special mechanical methods:
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Rotary chain cutters
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Drilling and milling apparatus
- Without impact DN 80 (3 in) to DN 600 (24 in)
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With impact DN 100 (4 in) to 1000 (40 in)
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Cutting apparatus
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Sandblasters
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Sewer robots.
In the following section, the most common mechanical methods are introduced along with their field of application and use limitations.