Catalytic one-way damping valve at the outlet of the standby main fan
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The one-way damping valve at the outlet of the catalytic standby main fan is of the strong-open/strong-close type; so how is this valve opened during startup? Do I need to unlock it? Can it be manually controlled to turn on or off? Thank you so much!
“Is a “one-way damping valve” the same as a “throttling one-way valve”? It’s better to put on a video. “What does “forced opening and forced closing” refer to? Manual or automatic? First, consider it as a \"progressive check valve\"; its main function is to prevent fluid backflow in the event of a sudden loss of power. This prevents the check valve from closing suddenly, which could cause impact as the valve element closes, and this might result in damage to the valve as well as the pipelines connected to it due to the sudden flow of fluid. Therefore, the use of a damping mechanism can prevent sudden shocks caused by the fluid losing its momentum.
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It is an interlock valve; generally, interlock valves are of the type that open and close forcefully, so the one-way damping valve at the outlet of the main fan is also of the type that opens and closes forcefully.
This valve is equipped with interlocking; the axial flow main fan is controlled according to the CCS program during startup. Once it enters automatic operation mode, the solenoid valve is energized, and as the pressure in the unit increases, the check valve opens.
This post was last edited by h*ng on 2018-5-20 at 14:09. The outlet of our main fan operates with automatic start and forced shutdown, while the backup main fan operates with forced start and forced shutdown.