Shears are machine tools used for straight cuts on sheet metal. On a swing beam shear the swing beam moves with the upper blade in a circular arc. On a guiottine shear the upper beam moves straight down. Metal Shearing Machine,Shearing Cutting Machine,Steel Cutting Machine,Swing Beam Shear Jiangsu Hoston Machine Tools Co., Ltd. , https://www.hosdunmachinetools.com
Electric fixed ball valve in the pipeline is mainly used to cut off, distribute and change the direction of medium flow. Electric fixed ball valve in the design of the pivot structure, the design features to ensure the exact location of the ball. Spring structure with the valve seat, the valve cover to the ball, the effect of low pressure sealing far surpass similar valve products. Electric fixed ball valve pivot blow protection structure with a low friction coefficient of the bearing. With excellent performance, high reliability, wide range of uses, the price is reasonable and so on. According to its section is divided into two parts and three types of two fixed ball valve. Electric fixed ball valve for: chemical, petroleum, natural gas, metallurgy, and other industries and containing hydrogen sulfide medium, impurities, serious corrosion of natural gas long-distance pipeline.