Specifications Product Size: NPS 1 "~12", DN25~300 Pressure rating: CL150~600 Design standard: GB/T 4213-2008 Characteristic 1. Widely used, it can be used for automatic regulation and remote control in industrial production processes such as chemical, petroleum, light textile, metallurgy, and power plants 2. The flow channel is simple, the valve resistance is small, and compared to single or double seat valves of the same caliber, it has a greater flow capacity. 3. Stable and reliable sealing performance, excellent performance, and small leakage. 4. The overall weight of the valve is relatively light and easy to install.