阀体整体环氧树脂涂装, 球阀使阀门的壳体完全与介质隔离, 针阀有效防止阀门被戒指腐蚀。
The whole valve body is epoxy resin lacquer baked, which fully isolate valve shell from media, thus effectively prevent valve gate from being eroded by media.
达到规定时间后,检查壳体(包括填料函及阀体与阀盖连接处)是否有渗漏。
Inspecting for the shell including the gland and union between the body and cap to see if there is leakage when reaches to stipulated time.
注:壳体包括阀体、阀盖。
注:壳体包括阀体、阀盖。
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