Causes of ball valve internal leakage1. Reasons for internal leakage of the valve during the construction period:① Improper transportation and hoisting causes the overall damage of the valve, resulting in internal leakage of the valve;② When leaving the factory, the …

Eccentrichemispherical valve is a commonly used control valve, whose main function is to control the flow rate and pressure of the fluid. Its working principle is to control the flow rate and pressure of the fluid by rotating the hemispherical valve core, thereby achie…