產(chǎn)品結(jié)構(gòu)特點(diǎn)：

1、中部無(wú)閥蓋壓力自緊式連結(jié)
2、閘板為要楔式彈性單閘板或楔式雙閘板結(jié)構(gòu)
3、閘板/閥座雙面堆焊鉆基硬質(zhì)合金
4、抗高溫蠕變?cè)O(shè)計(jì)
5、閥桿采用滲氮型沉淀硬化不銹鋼
6、有手動(dòng)、齒輪（傘形齒輪和正齒輪）傳動(dòng)、電動(dòng)

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