» Size : 2” through 28”
» Pressure Ratings: 150Lb--1500Lb
» Standards compliance: BS1868, API594
» 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：BS1868；
2、Material Pressure-Temp Standard ：ASME B16.34；
3、End to End Dimension Standard ：ASME B16.10；
4、Flange Ends Dimension Standard ：ASME B16.5；
5、Inspection and Test Standard ：API 598。
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.
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