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Question:

Why do the stem and the valve use movable connections?

Why do the stem and the valve use movable connections?

Answer:

1., the valve and valve body hole seal, you can customize the center
Jul 19, 2017
2., the valve and valve stem in one of the seals will crush the body sealing surfaceSo, of course, separate!
Jul 19, 2017
Stem and disc material is different, can not be made as a whole. Second, it may also be related to the way it is installed.
Jul 19, 2017

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