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Installation method of ball valve



Ball valve installation:
1) this type of valve shall be installed in the horizontal or vertical direction of the pipe.
2) before installation, according to the required signal (electricity or gas) to carry out the whole machine test (to prevent vibration due to transportation, affecting the performance), qualified before you can install on-line (wiring according to the electric actuator circuit diagram).
3) the remaining impurities in the clean pipe (which may damage the seat and the ball) must be flushed and removed before they are ready to be connected to the pipe.
4) take off the protective cover on both sides of the flange, and clean the valve in full open state.
5) please do not use the actuator part of the valve as the lifting point during the installation so as to avoid damage to the actuating mechanism and accessories.
6) the pipe near the installation point shall not be lowered or subjected to external force. The deviation of the pipeline can be eliminated by means of a pipe support or support.
7) connect with the pipe, please use the specified torque cross locking flange connection bolts.
Operation and use:
1) before operation, make sure the pipe and valve have been flushed.
2) valve operation according to the actuator input signal size, drive the stem rotation completed: positive rotation 1/4 ring (90 degrees), the valve is off. When the reverse rotating 1/4 ring (90 degrees), the valve opens.
3) when the actuating mechanism direction arrow is parallel to the pipeline, the valve is in open state; when the indication arrow is perpendicular to the pipeline, the valve is closed.