Cinsda 6" PVC Backwater Valve, 6 Inch Back Flow Preventer Valve, Backflow Water Valve Prevents Sewage Backflow

Cinsda 6" PVC Backwater Valve, 6 Inch Back Flow Preventer Valve, Backflow Water Valve Prevents Sewage Backflow

• Designed for connecting 6-inch PVC drains in the drainage system, this valve prevents the backflow of water in the pipeline due to pressure reduction or other potential causes.
• The backwater valve is made of durable PVC for high impact strength and resistance to heat and corrosion.
• Our back flow preventer valve can be solvent-welded for a watertight connection. The installation is simple and efficient.
• Thickened rubber rings embedded in the water stop baffle guarantee a watertight seal, and the access cover is also sealed with EPDM rubber to prevent water leakage.
• The backflow valve, as part of the DWV system, is suitable for connecting PVC sewers and drains. Ideal for sewage disposal in household and certain industries, it prevents sewer backflow.