China DIN large diameter sea water plastic FRPP handle lever wafer gearbox butterfly valve DN500 brushless dc motor worm gearbox بواسطة ep | مايو 4, 2023 | UncategorizedType: Butterfly Valves, Drain ValvesDesign Quantity: D371X-10SSoftware: GeneralTemperature of Media: Standard Temperature, UP to 90 degree temperaturePower: worm gear operatedMedia: WaterPort Size: twoComposition: BUTTERFLYMerchandise title: DIN huge diameter FRPP...