(Sanitary) ball valve installation and maintenance instructions

First, the preparation of the sanitary ball valve before installation

1. The pipeline before and after the ball valve is ready. The front and rear pipes should be coaxial and the two flange sealing surfaces should be parallel. The pipe should be able to accept the weight of the ball valve, otherwise the pipe must be properly supported.

2. Purge the front and rear pipelines clean and clean off the oil, welding slag and all other impurities in the pipeline.

3. Check the sign of the ball valve and find out that the ball valve is intact. The valve is fully open and closed several times to prove that it is working properly.

4. Remove the maintenance parts on the flanges at both ends of the ball valve.

5. Check the valve hole to remove any dirt that may be present, and then clean the valve hole. Even small particles of foreign matter between the seat and the ball may damage the seat sealing surface.

Second, the sanitary ball valve installation
1. Install the valve on the pipeline. Any end of the ball valve can be mounted on the upstream end. The valve driven by the handle can be placed in a comfortable position on the pipe. However, ball valves with gearboxes or pneumatic drives should be erected, that is, installed on the pipe, and the drive installation is above the pipe.

2. Install a gasket between the valve flange and the pipeline flange according to the pipeline design request.

3. The bolts on the flange should be symmetrical, successively and evenly tightened.

4. Connect the pneumatic pipeline (when using a pneumatic drive).

Third, after the installation inspection

1. Operate the driver to open and close the ball valve several times. It should be sensitive and not stagnate, which proves that it works normally.

2. According to the pipeline design request, check the sealing performance of the flange separation surface between the pipeline and the ball valve.