مانع ارتداد 110مم – Back water Valve-110mm

Application: Drainage, waste, and vent systems (specifically designed for underground municipal drainage, domestic wastewater networks, and main sewer lines vulnerable to flooding or backflow)
Material: Unplasticized Polyvinyl Chloride (U-PVC) with high impact strength, chemical resistance, and protection against electrolytic corrosion, fitted with internal mechanical flapper components and a bolted access lid
Type: Tahweel U-PVC Sewage Fitting / Backwater Valve / Non-Return Valve (featuring an internal inline check flap that automatically closes to block the reverse flow of sewage and wastewater into a building during heavy rain or system overloads, paired with a manual top-locking lever for emergency isolation)
Connection: Solvent Cement Joint / Rubber Ring Socket (Spigot End x Female Socket configuration)
Standards: ISO 4435, DIN EN 1401, DIN EN 1329, ISO 3633, ASTM D2665, EN 13564, and DIN 8061-8062
Color: Golden Brown