1, the selection of materials, in line with the relevant standards at home and abroad, the overall quality of the material is high.

2, meet the requirements of advanced standards at home and abroad, reliable sealing, good performance, beautiful shape.

3, the sealing pair pair is advanced and reasonable, the sealing surface of gate and seat is made of Stellite cobalt base hard alloy with different hardness, reliable sealing, high hardness, wear resistance, high temperature resistance, corrosion resistance, good abrasion resistance and long life.

4, the valve stem after quenching and tempering and surface nitriding treatment, has good corrosion resistance, abrasion resistance and abrasion resistance.

5, wedge type elastic ram structure, large diameter set thrust bearing, friction is small, and equipped with impact handwheel, easy to open and close.