Econosto has an excellent reputation because of its exceptionally wide product range. Nevertheless, many customers are hardly aware that this range comprises a solid series of control valves. With Econ-Ari Stevi® we offer you a range of attractively priced control valves for almost every application. Tailored valve technology. In three words, this is what Econ-Ari Stevi® can mean for you. With two and three-way valves (DIN and ANSI) for closing off, regulating, mixing and splitting. And a choice of electrical or pneumatic operation, four different sealing alternatives and various other options.