高清国产午夜精品久久久久久_超级碰在线_一本一道中文字幕_亚洲国产中文字幕_日韩欧美激情_国产精品久久久久久久久久久久

current location: Home   >> News >> Company news

How to use an ammonia ball valve

The use of ammonia ball valve mainly has the following five steps:

(1) according to the use of different requirements, ammonia reducing valve has many specifications. The high inlet pressure of Z is mostly, and the low inlet pressure of Z is not less than 2.5 times of the outlet pressure. Export pressure specifications are more, generally, Z high export pressure is.

(2) when installing the ammonia ball valve, make sure whether its connection specifications are consistent with the joints of the system used. The ammonia ball valve adopts the hemispherical connection, which is completely matched by the nut.

Therefore, the two hemispheres should be kept clean when using to ensure a good airtight effect. Dust can be blown off with high pressure gas before installation. If necessary, ptfe can also be used as washers.

(3) ammonia ball valve should be strictly prohibited to contact grease, so as to avoid fire accidents.

(4) when stop working, the remaining air in the reducing valve should be removed, and then loosen the adjusting screw to avoid deformation of the elastic element under pressure for a long time.

(5) ammonia ball valve should avoid impact vibration, not contact with corrosive substances.


主站蜘蛛池模板: 欧美一区二区三区在线观看免费 | 日本免费黄色小视频 | 99热这里都是国产精品 | 精品一区二区日本高清 | 欧美黑人激情乱妇 | 国产一卡2卡3卡四卡精品网站 | 国产夫妻久久 | 成人毛片一区二区三区 | 狠狠躁夜夜躁人人爽天天不 | 天天爽天天操 | 日本大片在线免费观看 | 国产一区二区三区小向美奈子 | 精品久久久久久久九九九精品 | 免费剧大全电视剧大全 | 欧美日本另类xxx乱大交 | 视频一区 日韩 | 人人人人人看碰人人免费 | 久久久五月天 | 国产探花在线视频 | 国内精品久久久久久 | 日b免费视频 | 欧美日韩大片在线观看 | 天天摸夜班摸天天碰 | 国产成人艳妇在线观看 | 日韩视频高清免费看 | 国产福利网站 | 99热国产这里只有精品 | 日韩一区二区国色天香 | 青青福利视频 | 日本天堂在线播放 | 超级在线碰 | 国产伦一区二区三区高清 | 欧美四区 | 极品丝袜高跟91极品系列 | 六月婷婷综合激情 | jizzjizz韩国| 99久久婷婷国产综合精品hsex | 日韩中文字幕精品久久 | 人妖系列在线观看网站 | 亚洲国产日韩在线观看 | 啪啪描写得很细致的小说 |