産業用廃水排出 腐食耐性 耐磨性 Epdm ダックビールゴム 返品不可

Video Description:
Discover the DN200 Flanged Rubber Duckbill Check Valve for Wastewater, designed for industrial wastewater discharge. This corrosion and wear-resistant EPDM rubber valve ensures non-return functionality with a 1-year warranty. Perfect for preventing flooding and water intrusion in sewage systems.