VSX-20 meters are used to measure and account for the volume of network and drinking cold water in pipelines with an inner diameter of 20 mm. The counting mechanism of the water meter has pointer and roller indicators, which show the measured volume of the working medium passing through the pipeline in cubic meters and its shares. The scope of application of metering devices of this brand is wide, starting from utilities and residential buildings, ending with industrial enterprises. Advantages of using VSX-20 meters simplicity of the device, reliability, long service life subject to certain conditions, the possibility of installation using connectors on any part of the pipeline, < li> small dimensions and the ability to install in limited space, can be installed both horizontally and vertically.