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English Translations » 【仪表自控交流圈】 » In the JBT_308-_2004_valve model designation method, is the

In the JBT_308-_2004_valve model designation method, is the sealing surface or lining material the same as the material of the valve seat? ?

2017-03-23View Original

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In the JBT_308-_2004_valve model designation method, is the sealing surface or lining material the same as the material of the valve seat? ? ? Why doesn’t this standard take into account the material of the valve core and valve stem? ? ?
Reply #22017-03-31
When the materials of the sealing surfaces of the sealing pair are different, the one with lower hardness is indicated. The code for the valve seat sealing surface or lining material is represented by the letters specified in Table 16. The code for the valve body material is represented by the letters specified in Table 17

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Translated at 2026-07-21 02:48:34

Original: https://bbs.hcbbs.com/thread-1764486-1-1.html

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