The Siral BSD3000 is a double ball valve with by-pass, service and drain functions, intended for hot/cold water, steam and glycol (50% content). It is capable of withstanding a maximum pressure rating of PN16 at temperatures from -40 to 160 °C. It is equipped with female ISO7/1 Rp threaded connections of 3/4" size, DN 20 and 1" size, DN25.