3S Co., LTD is the only expert manufacturer of positioners for control valves in Japan.
3S Company was found in 1986 and its name means "Safety, Speed, Service". Currently, 3S enterprise has reached leading position in share of sales in Japan and many OEM contracts.
These positioners are intended for proportional control with pneumatic actuating mechanisms and pneumatic drives for control valves. They can be operated at environment temperatures from –20°С to 60°С in explosion-proof version and from –50°С to 60°С in low-temperature version.
3S production has proved itself on foreign market because of high appreciation from Japan users who are very sensible to the production quality.