Designed to operate in ventilation systems with an air flow rate from 2 to 12 m/s and remain operational in any of their installation position. The task of the regulator is to maintain a given amount of supply or exhaust air, depending on the current demand.

They are made only of round cross-section.

Dampers of round cross-section (nipple type) are made of galvanized (version N) or stainless (version CR) Steel.

Design:

• general purpose industrial (N);
• corrosion-resistant (CR).