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Overview of Butterfly Valve(Part 2)

Views: 14     Author: Site Editor     Publish Time: 2022-05-26      Origin: Site

In order to meet the requirements of industrial applications such as high and low temperature, strong erosion, and long life, metal-sealed butterfly valves have been greatly developed in recent decades. With the application of high temperature resistance, low temperature resistance, strong corrosion resistance, strong erosion resistance, and high-strength alloy materials in butterfly valves, metal-seated butterfly valves have been widely used in high and low temperature, strong erosion, long life and other industrial fields. Butterfly valves with large diameter (9750mm), high pressure (2.2kN/cm2) and wide temperature range (-102 ~ 606OC) have appeared, thus bringing the butterfly valve technology to a whole new level.

Due to the application of computer-aided design (CAD), computer-aided manufacturing (CAM) and flexible manufacturing system (FMS) in the valve industry, the design and manufacture of butterfly valves have reached a new level. Not only has the design and calculation method of the valve been updated in an all-round way, but also the heavy and repetitive routine design work of professional technicians has been reduced, so that technicians have more energy to improve the technical performance of products and the research and development of new products, shorten the cycle, improve labor productivity. Especially in the field of metal-seated butterfly valves, due to the application of CAD/CAM, there are three-dimensional sealing pairs designed by CAD and manufactured by CAM CNC machining, so that the sealing surface of the valve will not be squeezed, scratched or worn during the opening and closing process. Thereby, the sealing performance and service life of the butterfly valve are improved by orders of magnitude.

When the butterfly valve is fully opened, it has a small flow resistance. When it is opened between about 15O ~ 70O, it can control the flow sensitively. Therefore, in the field of large-diameter adjustment, the application of butterfly valves is very common, and will gradually become a leading valve type.

Because the movement of the butterfly valve plate is wiping, most butterfly valves can be used for media with suspended solid particles and can also be used for powdery and granular media depending on the strength of the seal.


butterfly(D71X-10)


More details of butterfly valves, please go to https://www.mingpinmetals.com/Butterfly-Valve-pl3507724.html


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