Study on valve stem fracture
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Valve stem fracture: Where should the fracture occur? Specifically, in the \"valve stem head\", the \"midsection of the bare valve stem\", or the \"threaded portion at the bottom of the valve stem\"? Which location is more suitable for the maintenance needs of the customer’s operation unit? Why? How can design, manufacturing processes, processing techniques, and material selection be utilized to ensure that the fracture occurs in the ideal location?
The threads at the bottom of the valve stem breaking is the most problematic issue, as it can easily lead to accidents. . . . . . . . . . .
You need to discuss what valve it is Why is it necessary to cause the valve stem to break? I believe that if the valve is properly designed and the right type is selected, fracturing should not occur. The valve stem has really broken; the valve has to be disassembled anyway – what’s the point of knowing where it broke? In any case, it has to be made again. However, the reasons behind the valve stem fracture need to be carefully analyzed.
The testing items required by this city’s valve performance research institute