U-type three-way diaphragm valves, manually or pneumatically actuated, are specifically designed for use in hygienic and aseptic processes in the pharmaceutical industry.
The function of the manometer is to measure the pressure of liquids, which can be measured in single-tube manometers or U-shaped manometers. It should be noted that single-tube manometers are used exclusively to measure liquids and do not work for gases.