Telescopic butterfly valve is a kind of butterfly valve, adjustable length, used to implement the on-off and flow control components, piping system has been used in petroleum, chemical industry, metallurgy, water and electricity is widely used in many fields such as extremely. The telescopic butterfly butterfly plate installed on the diameter of the pipe direction. Cylindrical channels in butterfly valve body, disc disc around the axis of rotation, rotation Angle for 0 ° ~ 90 °, rotate to 90 °, the valve is fully open. The average valve. Telescopic butterfly Industrial Valves installation note: 1, telescopic butterfly valve before installation must be flat, do not arbitrarily knock against, the runtime will support uninstalled shall be strictly prohibited. 2, the structure of the telescopic butterfly valve factory length for the minimum length, when installation, pull to install length ( The design length) 。 3, when length over expansion valve installation between the pipe length, please adjust the pipe spacing, do not forcibly pull telescopic butterfly valves, so as not to damage the butterfly valve. 4, telescopic butterfly valve can be installed in any, as temperature compensation, the pipe installation is completed, should be along the pipe axis direction with bracket, prevent the expansion valve pull telescopic tube.
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