The valve consists of a round body made of galvanised steel and installed in it spring-loaded blades made of galvanised steel.
Under the action of the air flow, when the fan is switched on, the blades are kept in the open position.
When the fan is switched off, the blades automatically return to their original position and close the valve cross-section.
The Kanal-KOL-K valve remains functional when the axis of rotation of the blades is set vertically or horizontally, but only when the air flow direction is from bottom to top, as well as when the permissible level of velocities in the valve cross-section is ensured.
The design of the damper body allows its connection to round ducts or other elements of duct ventilation systems using clamps.
- prevents the flow of air and non-explosive air mixtures from different rooms of one ventilation system;
- prevents the entry of outside air into the serviced room after the fan is switched off;
- does not d...
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