For feeding solid powders, what type of pneumatic valve is suitable?
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We often encounter issues related to the selection of valves for liquids. This time, I would like to ask about the selection of valves for discharging solid materials: when it comes to discharging solid powders, wear resistance is a factor to consider – what type of pneumatic valve would be suitable (ball valve? Butterfly valve? Eccentric rotary valve? ......)? Is a hard seal or a soft seal better? What material is better to choose? I hope fellow sea lovers can give me some advice!
Is it for regulating or cutting off? Regulate and cut off as well? The solid material is definitely under a hard seal! If it is a shut-off valve, I think O-ring ball valves are generally the better choice for use, and these are mostly imported brands. Actually, as a shut-off valve, there is another type of valve that is quite useful as well, such as the disc shut-off valve. If the V-ball adjustment is used a lot!
If the switch allows for the use of an overhead-mounted valve
By upper-mounted valve, do you mean an upward-opening valve?