泵用干气密封

　　产品特点：

　　双端面背靠背布置

　　密封端面非接触运行

　　不需要火炬条件，控制系统简单

　　可实现介质的零泄漏，微量氮气会泄露进入泵内

　　采用氮气作隔离气，几乎不需要进行维护

　　适用于有毒有害清洁介质，且不允许泄漏到大气的场合

　　典型应用：石油化工及煤化工等行业中轻烃、芳烃、环氧乙烷、甲醇等泵

　　Features:

　　Double end-to-back arrangement

　　Sealed face non-contact operation

　　No torch condition, simple control system

　　Can achieve zero leakage of the medium, a trace of nitrogen will leak into the pump

　　Nitrogen is used as isolation gas, which requires almost no maintenance

　　Suitable for toxic and harmful cleaning media, and not allowed to leak into the atmosphere

　　Typical applications: light hydrocarbon, aromatic hydrocarbon, ethylene oxide, methanol and other pumps in petrochemical and coal chemical industries