Pressure Regulating Valves Pressure regulating valve - PRESO | ARI Pressure regulating valve - PRESO | ARI The Pressure Regulating Valve - PRESO by ARI is designed for use in various industrial applications, including processing technology and plant manufacturing. It is suitable for regulating the pressure of different media such as liquids, gases, vapors, and steam. With an eClass-No. of 37010908, this valve ensures efficient pressure control in diverse... View Flanged PN 16 DIN EN-JL 1040 (GG25) Cast iron EN-JS 1049 1.0619+N 1.4408