1. Flush in the state where the stainless steel ball valve is fully open;
2. stainless steel ball valve and pipe connection, you must use the specified torque cross-locking flange bolts;
3. In the stainless steel flange ball valve in connection with the pipeline, you must remove the remaining impurities in the clean pipe;
4. During installation, the actuator part of the ball valve is not available as lifting point to avoid damage to the actuator and accessories;
5. Cast steel flange ball valve should be installed in the horizontal or vertical direction of the pipeline;
6. Cast steel ball valve installation point near the pipeline can not be used to drop or bear the phenomenon of external force, you can use the pipe support or support to eliminate the deviation of the pipeline;
7. Before installing the ball valve should be in accordance with the provisions of the signal should also be tested, qualified before they can be installed on the line.
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