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I. American Standard Ball Valve Installation 6 points are as follows: 1, the American Standard ball valve should be installed in the pipe horizontal or vertical direction. 2, the pipe near the installation point can not be drooping or under the external force, you can use the pipe bracket or support to eliminate the deviation of the pipeline. 3, After connecting with the pipe, please cross-fasten the flange connecting bolt with the specified torque. 4, remove the protective cover on both sides of the flange, the valve is fully open state for flushing and cleaning. (5) Pre-installation signal should be required (electrical or gas) for the whole test (to prevent the use of vibration due to transport performance), qualified before going on-line installation (wiring according to the electric actuator circuit). 6. Flush and remove residual contaminants from clean pipelines (these materials may damage the seat and ball) before preparing for connection to the pipe. 7, during the installation, please do not use the valve actuator part of the crane as a lifting point to avoid damage to the implementing agencies and accessories. Two. American Standard ball valve operation and use of the 3 main points are as follows: 1, when the implementing agency direction arrow parallel with the pipeline, the American standard ball valve is open; the arrow and the pipeline vertical, the valve is closed. 2, before operation to confirm the pipeline and valve have been washed over. 3, the valve operation by the implementing agency input signal size driven stem rotation complete: forward rotation 1/4 turn (900), the valve is turned off. Reverse rotation 1/4 turn (900), the American standard ball valve open.