The 2FAA series valves are used for the control of fluids belonging to group 2 (water, superheated water, steam) in air conditioning systems, thermo-ventilation and civil and industrial heating systems and thermal machines for industrial processes; therefore they can not be used as safety valves. They consist of a two-way PN40 valve body with a stainless steel seat and plug with an equipercentual profile. The seals are made with Teflon gaskets suitable for fluids such as water, superheated water and steam in the specified temperature range. The materials used for the valve body and for the internal parts make this series of valves particularly suitable for high pressures, temperatures and aggressive fluids such as superheated steam.