15 degree two-way linear valve

15 degree one-way linear valve

30 degree two-way linear valve

30-degree one-way linear bar grilles

Linear slot diffusers

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.