Hygienic Tubus 是一种获得**的法兰连接。符合国际卫生标准，主要用于制药和生物技术行业，特别是用于连接带隔膜密封的测量设备。

　　原文：

　　The Hygienic Tubus is a patented flange connection. Compliant with international hygienic standards, it is mainly used in the pharmaceutical and biotech industries, particularly for connecting measuring devices with diaphragm seals.