5、 The sealing surface of the butterfly plate of the butterfly valve is made of special cemented carbide, which can not be replaced for a long time while ensuring the quality of the product. Moreover, it has a longer service life and is not easy to break. 　　

Full bore structure and reduced bore structure: in order to meet the different needs of users, our company's ball valve products have two series: full bore and reduced bore. The channel inner diameter of the full bore ball valve is the same as the pipe inner diameter, which is easy to clean. The weight of the reduced bore series ball valve is relatively light, but the flow resistance is only about 1/7 of that of the stop valve with the same diameter. Therefore, the reduced bore series ball valve has a broad application prospect.