DV series valves are installed as supply or return diffusers with adjustable air flow. The air flow is adjusted by rotating the cone. Diffuser can be mounted in the ceiling
The product is composed of an upper part, with neck sizes suitable with norm round duct sizes, fixed to the ceiling (Wall) and a lower part connected to the upper one with an adjustable threaded shaft.
The units is fixed in place by springs located on the upper part
The frame and the disc are formed by spinning of DKP sheets. The springs are made of coated spring steel.
Optional; Available in plastic and stainless steel.