... Water, Mineral Oil, Salinous WaterEPDM-25~+180° CHot Water, Steam, Acid, AlkaliF26-55~+230° CAcid, AlkaliTPF0~+160° CHigh Concentrated ... Acid, Alkali, High temperature Oil, Steam Working principleChannels are formed between the plates and the corner ... Cyclic heating and cooling produces thermal fatigue in rigid steam heaters like straightshell-and-tubes. This often results ...