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Donuts and inserts

To adapt a flexible boot to a specific outside pipe diameter, or to seal off multiple pipes of different diameters running in a secondary duct, a wide range of inserts and donuts is available.

  • Technical details
    • Donuts in 96 mm or 115 mm
    • Three sizes of cuffs and boots adapted to the current pipe outer diameters
    • Electrical donuts moulded in rubber or machined in aluminium to be fitted with cable glands
  • Advantages
    • Quick installation and reliable sealing of all kinds of pipes and cables.
    • Pipe donuts have openings for multiple pipes of variable diameter
    • Clamping with heavy duty stainless steel clamps

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Looking for tailored engineering?

Our Product Engineer, Pieter Rebry, is very happy to help you further!

Pieter Rebry

Product Engineer

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