one American standard ball valve installed 6 main points are as follows: 1, ball valves shall be installed in horizontal or vertical direction of pipeline. Near 2, installation of pipe with low or bear the phenomenon of external force, can use a pipe support or support to eliminate the deviation of pipelines. After 3, and pipe connection, please use specified torque cross locking bolt flange connection. 4, take off the protective cover on both sides of the flange end, under the conditions of valve fully open to wash clean. 5, before installation shall be in accordance with the provisions of signal, Electricity or gas) The engine test ( Prevent because of transportation vibration impact performance) , qualified rear can install ( According to the electric actuator wiring diagram wiring) 。 Before 6, preparation, and pipeline connection, you must wash and clean the pipe residual impurities ( These substances may damage the seat and the ball) 。 7, during the installation, please don't use valve actuator part as a lifting of the lifting point, in order to avoid damage the actuator and accessories. two American standard ball valve operation and use of the 3 main points are as follows: 1, when the actuator to the indicating arrow direction parallel to the pipeline, beautiful mark ball valve is open; Indicating arrow and vertical pipeline, the valve is closed. 2, operation must be confirmed before the piping and valves have been washed. 3, and the size of the valve operation according to the actuator input signal turns the Industrial Valves stem complete: positive (1/4 turns 900). When the Industrial Valves is shut off. Counter-rotating 1/4 turn ( 900). When American standard ball valve to open.
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