Iris valves DIR DIR iris valves are designed to regulate air flow and measure its consumption in round air ducts. Structurally, DIR valves are an iris diaphragm installed in a housing with round connecting pipes. An easy-to-read adjustment scale is applied to the valve housing and connecting nipples are installed to measure the pressure drop…
Grilles and valves
ARN, ARD grilles
ARN, ARD grilles The ARN and ARD grilles are designed for supplying and extracting air by ventilation and air conditioning systems in rooms of various purposes. ARN series Suitable for supplying and extracting air from a room, equipped with individually adjustable horizontal slats, decorative frame – 32 mm, visible screw fastening. ARD series Suitable for…