KARAL® MACHINE & METAL TECHNOLOGY
ROUND AIR DUCTS WITH SPIRAL CLAMP
COUPLING - BLINDFLANGE
     To add channels to each other with the coupling produce gasket or without gasket. The coupling stow mouth of the duct, during the ducts merger and it is passed into the duct. Then attachment place fixing with screw.

    
    BLINDFLANGE:

Blindflange is closes the at the end of the ventilation installation head.

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