آب بند ثانویه مخازن سقف شناور از نوع لاستیک وایپر

Secondary Roof Sealing for Floating Roof Tanks-Wiper Type Application The Secondary Seal System is a rim mounted seal suitable for external floating roof tanks. The seal design has been used on rim space between shell and floating roof tanks from 6m to 110 m diameter containing the full range of crude and refined products. Features and Benefits The Secondary seal is designed to be installed whilst the tank is in service. The seal includes a compression plates, wiper rubber and vapour barrier membrane. The wiper rubber has a large contact depth with tank shell. The seal has a smooth profile that will allow it to reenter the tank without any tendency to hang up should the tank be accidentally over filled. the vapour barrier membrane is produced from a highly abrasion-resistant to obtain and efficient soft sealing effect.