... DN350 to DN500: 24 barmaximum depression: 650mm Hgapplicable media: air, water, sea water, oil , acid and alkaliapplicable temp.: -10degree celsius to +105 ... joint )Our Rubber Flexible Joints is mainly used for supplying water, electric power, chemical industry, shipbuilding and so on. They have ... against acid, alkaline, oil and high temperature. Flexible Rubber Joint Reducing Type flange end