| 摘要 |
A sectoral ring brush with inside trimming for keeping clear and/or cleaning cylindrical bodies, preferably quartz cladding tubes in UV disinfection units, especially in UV disinfection sluices for the disinfection of waste water, characterized in that the sectoral ring brush consists of sectoral elements whose trimming can be integrated prior to the installation in a housing, with the sectoral element being fastened individually or in a connected fashion, e.g. by connecting bridges on the circumference, in a ring-shaped housing.
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