... [mm] 380380 Horizontal port distance, HC [mm] 203203 Max temperature [°C] 180180 Max pressure [barg] 1620.6 Flange size DN65/2 ... 180° CHot Water, Steam, Acid, AlkaliF26-55~+230° CAcid, AlkaliTPF0~+160° CHigh Concentrated Acid, Alkali, High temperature Oil, Steam Working principleChannels ... a relatively wide temperature difference, e.g. from10 to 70°C (50 to 158°F), the high steam velocity causes erosion ...