Large-diameter pipeline projects demand lightweight and reliable valves. OUWEI butterfly valves cover DN300 to DN4000, 70% lighter than equivalent gate valves to lower pipeline support cost. Thickened ductile iron body resists sediment abrasion, wear-resistant rubber seat adapts sewage containing sludge. Electric and hydraulic actuator solutions for remote centralized control in urban water plants and sewage treatment stations. #OUWEI #LargeDiameterButterflyValve #MunicipalWaterProject #SewageTreatmentPlant #WaterSupplyValve #BigSizeValve
