Ventilation disc valve, air damper,
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Ventilation disc valves, the torque required for operating air dampers – how are these values calculated? Air dampers need to be equipped with electric actuators, and it is necessary to determine the torque and force required by those actuators in order to make the right selection; does anyone know how to calculate these values?
This might only be known to the manufacturer
Let me talk about this issue. First, the manufacturer of the electric actuator must be aware of the torque of the corresponding valve. Generally, if you say I’m a valve of a large diameter, they will immediately mention it. After all, they all have their own option lists. The original poster might not have asked the right person, or that person wants to avoid liability. Second, the air valve, also known as an air damper, is the simplest type of butterfly valve. It’s just a shaft, a valve plate, and a valve body – that’s it. There is no requirement for sealing. Therefore, the torque on the damper is very small; it is generally due to the friction between the valve shaft and the sealing packing. Furthermore, if the diameter is very large, the manufacturer will take manufacturing considerations into account, such as stiffness, and choose a higher torque. Third, the position of the air damper. Based on my experience, dampers located near the fan outlet need to be selected carefully. Because turbulence increases the torque.
:Lol, whenever you turn to the manufacturer, they will provide you with drawings and calculate all the relevant values for you