Varivent 是制造商 GEA Tuchenhagen 的**阀门技术。它广泛用于具有固定管道的过程工厂。因此，用于过程自动化的压力表通常可与 Varivent 连接以及其他过程连接一起使用。

　　原文：

　　Varivent is a patented valve technology by manufacturer GEA Tuchenhagen. It is widely used in process plants with fixed tubing. For this reason, pressure gauges for use in process automation are usually available with Varivent connections, among other process connections.