欧美一区二区三区日韩I天天色综合色I一区二区色I首尔之春在线观看Iwww.av在线播放I日韩一区二区精品I涩漫天堂I亚洲欧美日韩另类I丰满少妇影院I天堂在线免费视频Iwww色婷婷I免费看a网站I国产成人在线电影I九色丨蝌蚪丨成人I日日干日日摸I老头老太做爰xxx视频I精品人妻人人做人人爽夜夜爽I色婷婷av一区二区Iav大片免费在线观看I欧美brazzersI黄色一级带I中国美女一级片I欧美激情在线观看视频I欧美精品少妇I中出中文字幕

current location: Home   >> News >> Company news

Installation of electric control valve

The installation of electric control valve mainly has the following five steps:

1. The regulating valve belongs to the field instrument, the environmental temperature should be in the range of -25 ~ 60℃, the relative humidity ≤95%. If it is installed in the open air or high temperature occasions, should take waterproof, cooling measures. In the source of the place to be away from the source of vibration or increase anti-vibration measures.

2. The regulating valve should be installed vertically in general, and can be tilted under special circumstances, such as the tilt Angle is very big or the valve itself is too heavy when the valve should be added support protection.

3. The pipe for installing the regulator valve should not be too high from the ground or the floor. When the pipe height is more than 2 m, the platform should be set as far as possible to facilitate the operation of the handwheel and maintenance.

4. Before the installation of the electric control valve, the pipeline shall be cleaned to remove dirt and welding slag. After installation, in order to ensure that impurities do not remain in the body, the valve should be cleaned again, that is, all the valves should be opened when the media is in, so as to avoid impurities stuck. After using the handwheel mechanism, should be restored to the original neutral position.

5. In order to enable the regulator to continue the production process in the event of failure or maintenance, the regulator shall be provided with a bypass line.

At the same time, special attention should be paid to whether the installation position of the regulator conforms to the requirements of the process.



主站蜘蛛池模板: 遵化市| 延津县| 叶城县| 浪卡子县| 九龙县| 南开区| 靖远县| 淄博市| 逊克县| 白山市| 安国市| 宜丰县| 西乌| 庆安县| 桐乡市| 宕昌县| 谷城县| 龙里县| 闻喜县| 锡林郭勒盟| 两当县| 日土县| 高雄市| 潞城市| 深泽县| 英超| 连州市| 宿迁市| 广元市| 光泽县| 化隆| 万宁市| 乌审旗| 甘洛县| 屏东县| 镇雄县| 唐河县| 唐河县| 西和县| 梅河口市| 休宁县|