Ball valve installation: 1), remove the protective cover on both sides of the flange end, the valve is fully open state flushing cleaning. 2) Installation should be carried out according to the required signal (electrical or gas) machine test (to prevent the use of vibration due to transport performance), qualified before going on-line installation (wiring according to the electric actuator circuit). 3) Flush and remove residual contaminants from clean pipelines (these may cause damage to the seat and ball) before connecting to the pipe. 4) During the installation, please do not use the actuator part of the valve as lifting lifting point to avoid damaging the actuator and accessories. 5) This type of valve should be installed in the pipe horizontal or vertical direction. 6) The pipe near the installation point can not be lowered or subjected to external force. Pipe supports or supports can be used to eliminate the pipeline deviation. 7) After connecting with the pipe, cross-fasten the flange connecting bolt with the specified torque.
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