As important equipment in the ash removing system in power plants, valve needs fine components and advanced control method because of the sordid environment of the workshop.

The article discusses some factors which influence the performance of the non-mechanical valve, such as system pressure, air flow-rate, air charging mode and characteristics of ash et al.

The electromagnetism pulse valve is in the pulse dust remover clear ash system's key component, its quality quality immediate influence dust remover's movement, clear ash efficiency height.