久久久www成人免费精品,国产亚洲无码影视,亚洲人人爽,久久最新地址你懂的

Company news

Location:Home > Company news

How to re-assembly of stainless steel ball valve?

Date:[2016-10-19]    Hits:loading_

reassemble

Clean and check the parts removed from the stainless steel ball valve. It is highly recommended to replace the seal with its seat and bonnet gasket with spare parts.

Assemble in the reverse order of removal of the stainless steel ball valve.

Cross-tighten the flange connection bolts (5) with the specified torque.

With the specified torque, lock the stem nut (13)

After installing the actuator, input the corresponding signal to rotate the valve spool by rotating the valve stem to open and close the valve.

? If possible, pressure-seal the valve and test the performance of the valve before returning the piping to the relevant standard.

Model Representation:

As the previous valve Q11S-16C this "S" means that the older method, "S" on behalf of the plastic seal to pay. With "F" said. Representative of PTFE or PTFE material


Mobile site

App

三级黄色网站在线免费观看| 日韩精品三| 超碰V8| 亚洲AV无码第一区二区三区| 西西人体44www大胆无码| 国产一区二区视频链接| 国产馆a v| 精品无码久久久久久久久久久| 黄色av免费网站| 亚洲成人玖玖玖玖| 爱射福利| 国产拍揄自揄免费观看| 色翁荡息又大又硬又粗又爽电影| AV无码色| AV天堂亚洲凹凸| 亚洲国产中文五月综合| 好看的视频你懂的欧美日韩| 四虎影音中文字幕| 五月天欧美在线| 久久乐国产精品亚洲综合18| 免费黄色电影蜜腚久久| 精品免费久久久久久成人影院 | 综合五月六月婷| 欧美一区三| 亚洲欧美综合精品成| 久久国产精品免费观看8| 情久久AV一区Av二| 亚洲无码有线| 日韩欧美亚洲另类国产| 国产suv精二区九色| 精品久久免费观看| 成人首发大香蕉视频| 老司机成人AV| 久久久久久免费精品视频| 久久精品对白| 欧美性狂交免费| 寂寞少妇网站| 人妻少妇av免费久久| 午夜精品久久| 亚洲无码色噜噜综合| 久久精品无码GIF动态图|