RKKM
Round regulation/adjustment damper
RKKM - The round regulation damper serves to regulate the airflow through circular ducts by means of constricting the cross section. The damper is not classified as airtight.
Properties
•For regulation of airflow inside the duct
•Manual or servo actuation
•Diameter from 80 to 630 mm
•Made of galvanized steel
•Available in versions with the option for connection to a circular duct or a flange
•Can be used in explosion-hazard environments
Specifications
The dampers consist of the body, the leaf and the control mechanism. They serve the regulation of the air flow in the piping by constricting the cross section. Dampers are not tight across blade. Tightness across the body in accordance with EN 1751, class C. The dampers are destined for maximal velocity of air flow 12 m.s. The dampers are intended for environment protected against weather impacts with the classification of climatic conditions class 3K5, without condensation, frost, ice formation, and without water even from other sources than rain according to EN 60 72133, change A2. The air flowing through the dampers must not contain solid, fibrous, adhesive or aggressive particles, and its temperature must lie in the range of −20 to + 80° C.