American standard ball Industrial Valves working principle and installation requirements of what equipment as a kind of close to ball Industrial Valves, American standard ball valve in the pipeline, the main role in cutting, distribution and change the flow direction of medium. Although it belong to a type of valve with flange valves, but due to structural differences, they are on the working principle and installation requirements or is there a big difference. American standard working principle of ball valves in the process of opening, the ball valve closed at the beginning, because of putting pressure on the valve stem, a sphere is tightly pressed on the seat, when the handwheel anti-clockwise rotating body, at this point, the valve stem force and the sphere began to slowly away from the seat, when the stem continue to be pushed, the valve stem and valve stem spiral groove has a guide pin interaction, and make do frictionless rotating sphere, when to achieve the full open position, the valve stem reaches the limit, sphere achieved the full open position at the same time, now began to cut, distribution and change of flow direction of medium. In the process of closing, the whole operation process to present the opposite phenomenon, namely the anticlockwise turn the handwheel to let the ball to leave the seat do after rotation, to reach a certain occurs after the location of the pin function let stem and ball rotate 90 degrees and a half weeks, continue to put pressure on the basis of sphere and valve seat without exposure to rotate 90 degrees, the hand wheel rotation ball press in the seat. Beauty standard ball valve installed in the main points the standard ball valve is a strict procedure, this need professional personnel for installation, in order to guarantee the quality of the installation, make sure before installation protection cover was taken off at the ends of the flange, pipe residual impurities are clean, and near the pipe installation points not droop and under external force phenomenon. At the same time, even after installation of flange connecting bolt fastening. American standard ball valve working principle and installation is to introduce the key points, if there is demand, must find a professional manufacturer for purchasing, so as to ensure the quality. This article by all standing Industrial Valves ( News) Editing and publishing
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