National Standard Swing Check Valve

The standard swing check valve designed by Dazhong Valve Group is designed and manufactured according to the national standard GB12236, with reasonable structure, reliable sealing and excellent performance. The valve disc and valve seat sealing surface are made of iron-based alloy or stellite drill-based cemented carbide, which is wear-resistant, high-temperature resistant, corrosion-resistant, scratch-resistant and has a long service life.

• The product is designed and manufactured according to the national standard GB12236, with reasonable structure, reliable sealing and excellent performance.

• The sealing surface of the valve disc and valve seat is made of iron-based alloy or stellite drill-based cemented carbide, which is wear-resistant, high-temperature resistant, corrosion-resistant, scratch-resistant and has a long service life. long.

• Various piping flange standards and flange sealing surface types can be used to meet various engineering needs and user requirements.

• A complete range of valve body materials, gaskets can be reasonably selected according to actual working conditions or user requirements, and can be applied to various pressure, temperature and medium working conditions.

• The disc rotates around a pin outside the seat to reduce violent shock when closing.

• The connection between the pin shaft and the valve disc adopts a built-in structure, there is no external leakage point, and the use is more reliable.