... B2G)Concentration Sulphuric Acid, Hydrochloric acid, Phosphoric acidMaterial of GasketOperating Temperature ° CSuited Liquid KindsNBR-15~+135° ... Reverse osmosis water. Marine application : Central cooling of the main or auxiliary engines or turbines, Lubrication ... Chemical industry, district heating, district cooling, swimming pool heating, solar heating, Short delivery time.High qualityReasonable ...