亚洲视频在线看_在线不卡免费视频_日韩欧美精品一区二区_欧美激情五月婷婷_日韩一区电影_v天堂在线

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: 97色婷婷成人综合在线观看 | 国产一级一级毛片女人精品 | 9 1在线观看 | 欧美黄色一级 | 亚洲高清视频在线 | 韩国三级午夜理伦三级三 | 中文字幕在线免费视频 | 久久综合精品视频 | 一区二区三区四区 | 欧美美乳 | 成人久久久久爱 | 爱爱网址 | 岛国精品 | 色资源| 大香一网 | 成人av一区二区三区 | 夜夜天天 | 依人99| 国产精品久久久久免费a∨ 欧洲精品一区 | 天天操天天干天天干 | 国产日产精品一区二区三区四区 | 成人免费视频网址 | 欧美精品一区二区三区在线播放 | 亚洲国产精品人人爽夜夜爽 | 欧美日韩中文 | 成人深夜福利在线观看 | 久久亚洲国产精品日日av夜夜 | 日本黄色电影网站 | 欧美一区二区三区免费 | 国产在线观看一区 | 日韩午夜在线 | 狠狠的日 | 欧洲国产伦久久久久久久 | 亚洲人在线 | 欧美一区二区三区在线观看视频 | 欧美久久一区二区三区 | 国产浪潮av色综合久久超碰 | 玖草资源 | 亚洲精品视频免费 | 亚洲一区在线视频 | 成年人精品视频在线观看 |