精品国产一区av天美传媒_99久久国产综合精品五月天喷水_日韩AV高清无码_狼群社区视频WWW在线下载_无码人妻AV免费一区二区三区_久久AV无码一区二区三区_强壮的公次次弄得我高潮电影_亚洲AV无码久久久久久精品同性

Threaded and Socket Weld

連接方式：螺紋與焊接

Nonrising stem,Round metal handle

閥桿類型：非升桿，金屬圓手柄

The gate valve is a valve in which the flow of fluid is stopped by moving a gate,also konwn as wedge or disc directly into the fluid flow path.

閘閥通過轉(zhuǎn)動(dòng)閘門控制流體的開關(guān)，閘門的形狀可為楔型或圓盤形，流體直接從閘門下經(jīng)過Gate valves are used for shut off applications in pipe lines in a wide variety of types of service. In the open position the gate valve presents very little restriction to the flowing fluid. Thus,the primary advantage of the gate valve is a low pressure drop.

閘閥應(yīng)用于各種管道做開關(guān)用途。在開啟狀態(tài)下，閘閥不限制流量，因此，閘閥的優(yōu)點(diǎn)之一是低阻力