Why can’t valve body sizes of 1¼” and 2½” be used
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Why can’t 1¼” and 2½” valve body sizes be used
Where did you see it? With this size, it must be difficult to fit the piping, right?
The process package specifies this requirement; such moldy material must not be used. I would like to ask why it’s not allowed !
It might be due to piping issues, as well as the convenience of repairing or replacing valves in the future (since the valves have different lengths)
DN32 and DN65 ones are hardly useful, and it’s difficult to replace them later on.
We use DN32 quite frequently in our installations, and we haven’t found it difficult to purchase.
Which technical standards state that valves of DN32 and DN65 cannot be used? ? ?