亚洲AV无码成人精品区在线播放,老熟女一区二区免费 ,人人妻人人爽人人做夜欢视频九色,777米奇色狠狠俺去啦

Company news

Location:Home > Company news

How to re-assembly of stainless steel ball valve?

Date:[2016-10-19]    Hits:

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

最近好看的2019免费| AV无码岛国免费动作片| 粉嫩高中生的第一次| 无码人妻丰满熟妇区毛片| 久久精品亚洲乱码伦伦中文| 18成人片黄网站WWW|