Nowadays, state-owned enterprises in the electric ball valve industry are burdened with heavy burdens, rigid mechanism and difficult operation. Although they still have certain advantages in equipment, technology and personnel, they can only get rid of the current difficulties through in-depth innovation and continuous creation, which can completely lift the current difficulties, activate existing capital and diversify industrial rights, The preparation for the establishment of a modern system has led to higher development expectations.

1. Both ends of the valve channel must be blocked, and there is a dry and ventilated room. If it is stored for a long time, the rust prevention shall be checked frequently.
2. The valve shall be cleaned before installation and the defects caused during transportation shall be eliminated.
3. During installation, the marks and nameplates on the valves must be carefully checked to see if they meet the operating requirements.
4. The valve is installed on the horizontal pipeline with the valve cover upward.