Parameters:
» Size : DN50 through DN500
» Pressure Ratings: PN16--PN160
» Standards compliance: GB/T 12236
» Materials: Carbon Steel, Stainless Steel, Cast Duplex Stainless Steel.
» Ends Connections: RF,RTJ,BW
» OS&Y, Outside Stem and Yoke
» Metal-sealed ( API Trim # 1, #5, #8, #10 and etc.)
» Operation: Handwheel, Gear, Motor.
Technical Requirements：
1、Design and Manufacture Standard：GB/T 12236
2、End to End Dimension Standard ：GB/T 12221；
3、Flange Ends Dimension Standard ：JB/T 79.1；
4、Inspection and Test Standard ：JB/T 9092。
Check valve structure characteristics
① the selection of materials, in line with domestic and foreign standards, the quality of materials is high.
② the sealing pair is advanced and reasonable, the sealing surface of the valve disc and seat is made of iron base alloy or Stellite cobalt-based cemented carbide surfacing surface, good wear resistance, high temperature resistance, corrosion resistance, abrasion resistance and long service life.
③products according to the national standard BS 1868 design and manufacture.
④ Various pipe flange standards and flange sealing types can be used to meet various engineering needs and user requirements.
⑤ the valve body material variety is complete, the gasket can be reasonably selected according to the actual working conditions or user requirements, and can be applied to a variety of pressure, temperature and medium conditions.
Wechat Sweep
