1、The products are designed and manufactured according to the national standard GB/T 12235, with reliable sealing and excellent performance.

The sealing surfaces of valve flap and seat are made of iron-based alloy or stellite cobalt-based cemented carbide surfacing, which are wear-resistant, high-temperature-resistant, corrosion-resistant, anti-abrasion-resistant, and have a long service life.

3、A variety of supporting flange standards and flange sealing surface type can be used to meet various engineering needs and user requirements.

4, the valve body material varieties, gaskets can be based on the actual working conditions or user requirements for reasonable selection, can be applied to a variety of pressures, temperatures and media conditions.

5、Check valves of different structural forms and connection forms can be designed and manufactured according to the requirements of the users for the use of various equipment.