Rückschlagventil für internes Abwasser PVC Ф110

Non-return valve with cover. Provides protection against sewage backflow. It can function automatically without the need for a power source. It has a manual valve blocking system. Guarantees protection against rodent penetration. The leak section is identical to that of the PVC pipe. Maintenance is easy and convenient. It is produced in accordance with European and Bulgarian safety requirements. It is installed at the outlet of the leak in the dwellings, protecting the premises from sewage leakage. To achieve the desired effect of the installation of the non-return valve, it must be used with a siphon. This prevents unpleasant odors from entering the sewer.