Square egg crate grilles
Fixed 40 degree airfoil vane return valve
One-way airfoil vane valve
Two-way airfoil blade diffuser
Zero degree linear valve
With more than 40 years of experience, Shahrokhi Technical Institute, which was founded in 1979 to become the biggest producer of air-regulating diffusers and duct dampers in the Middle East using a scientific technique and revolutionizing the conventional equipment market, currently plays a crucial role as the pioneer of the new diffuser industry in Iran and the Middle East.
