Temperature control means using thyristor surge phase shifter using nitrogen atmosphere furnace used to seal welding, excellent sealing properties.
控温方式采用可控硅移相调压，采用氮气保护气氛，炉体采用全密封焊接，密封性能优良。
2
The use of plane packing in nitrogen hydrogen gas compressor in the plant shows that the packing has features as simple structure, easy installation, good sealing and long service life.
平面填料在该厂氮氢气压缩机上的应用表明，该填料结构简单，安装方便，密封效果好，使用寿命长。
3
The mechanism of oil vapour loss is discussed and the application of nitrogen gas sealing technique to store and transportation is introduced.