五月婷婷中文_总裁与秘书啪啪日常H_精品视频国产香蕉尹_亚洲图片日本视频免费_男女乱滛免费视频网站_藏经阁91福利私人试看_99久久国产综合精品一级_国产精品午夜福利电影_另类福利亚洲丝袜激情在线_免费在线观看最新理论片

Leak detection during operation and maintenance

Addtime: 2020-07-18 Browse times: 2243

After a vacuum equipment is put into use, there may be leakage. Therefore, the vacuum equipment should have detailed operation records in order to find out the cause of air leakage.


① In the use of vacuum equipment, it is sometimes necessary to open some flanges for cleaning or placing test pieces. If air leakage is found after reassembly, it is necessary to check the seal.


② Leak detection shall be carried out for the replaced parts.


③ If it is found that the vacuum degree of the running vacuum equipment deteriorates, it should be considered whether it is caused by air leakage, which can be judged by static boost test.


Scan QR code and add wechat