The double wall bellows rubber ring is a sealing element for the double wall bellows connection, and its main function is to ensure the tightness of the pipeline connection and prevent liquid or gas leakage. 1. ** Material ** - **EPDM (EPDM) ** : Excellent weather resistance, ozone resistance, aging resistance, suitable for a variety of environments. 2. ** Features ** - ** High elasticity ** : ensures a tight fit to the pipe to provide a good seal. - ** Corrosion resistance ** : Adapt to a variety of chemical media, extend the service life. - ** Temperature resistance ** : can maintain stable performance in a wide temperature range. - ** Wear resistance ** : Reduce wear in installation and use, extend life. 3. ** Application ** - ** Drainage system ** : Municipal and building drainage. - ** Sewage system ** : industrial and domestic sewage treatment. - ** Cable protection ** : Power, communication cable protection sleeve. - ** Ventilation system ** : Building, industrial ventilation ducts. 4. ** Installation precautions ** - ** Clean ** : Before installation, ensure that the pipes and rubber rings are clean and free of impurities. - ** Lubrication ** : Appropriate use of lubricant, easy installation and reduce wear. - ** Correct installation ** : Ensure that the rubber ring is correctly embedded in the pipe interface to avoid distortion or dislocation. - ** Inspection ** : Check the tightness after installation to ensure no leakage.