KROS round adjusting valves

KRTS-4 - Sealed shut-off and adjusting valve density class 4 SFS (class 3 EN).
Used mainly for adjusting and closing air flow in ventilation systems with higher leakproof requirements.

KRTS-2 - Shut-off and adjusting valve density class 2 (SFS 5330), class 1 (EN 1751:1998).
Used mainly for adjusting and closing air flow in ventilation systems.

Round valves are manufactured in three different types:
KROS - air flow adjusting valve
Used mainly for adjusting and closing air flow in ventilation systems.

KROS/KRTS-type round valves are meant for closing air ducts used for ventilation and for adjusting air flow in ventilation systems.