With its continuous processes, the field of process automation places other demands on components than those which prevail in factory automation. Process valves are used in order to be able to control these processes accurately. The port pattern is in compliance with NAMUR requirements and thus fulfills an industry-wide standard in the field of process automation. Applications for the VSNC are found primarily in water treatment, as well as in the production of chemicals. It’s used to control the mixing or fermenting of gases, liquid media and bulk materials. The VSNC is distinguished by its clarity in color, shape and arrangement.