when installing stainless steel sanitary ball valves, the following requirements need to be followed

1. Installation position: Select the appropriate position to install the ball valve to ensure normal operation and maintenance. Factors such as operating space and pipe connections should be taken into account.

2. Pipeline cleaning: Before installation, it must be ensured that the inside of the pipeline system is clean, free of impurities and pollutants. Pipes can be cleaned by flushing, purging, or using a cleaning agent.

3. Pipe alignment: Align the ball valve with the corresponding pipe and use appropriate sealing gaskets to ensure sealing performance.

4. Gasket selection: Select the appropriate gasket material according to the medium and working conditions to ensure a good sealing effect. Common gasket materials include PTFE (polytetrafluoroethylene), EPDM (ethylene propylene rubber) and so on.

5. Threaded joint treatment: If the ball valve is threaded, it is necessary to use special sealant or lubricant during installation to increase the fastening force between the threaded joints and improve the sealing performance.

6. Fixed fasteners: After installation, please check whether all fasteners are properly tightened to ensure the stability and tightness of the ball valve.

7. Connect the pipe: Use appropriate tools to connect the ball valve to the pipe. For sanitary ball valves, clamp-on, welded or quick-mount connections are usually used.

8. Test and inspection: After installation, carry out corresponding test and inspection, such as pressure test, leak test, etc., to ensure that the ball valve can operate normally under normal working conditions.

It is important to note that the relevant standards and specifications should be followed during the installation process, and refer to the installation guide provided by the ball valve supplier according to the specific situation.