Which Valve Type Suits You Best?

This blog is the last in a series of blog posts contributed by Philipp Wahl, Festo AG & Co. KG. In this series Mr. Wahl introduced valve technologies, what we need to know about poppet valves, piston spool valves and the cartridge principle.  Today he is giving us a valve selection aid to help us determine which valve type suits us best.

Both valve types; piston spool valves and poppet valves, come with their advantages and disadvantages. However, if you are looking for a type of valve with low leakage values and the option of dual-pressure operation with vacuum and ejector pulse, or if you require high operating pressures, the most suitable is probably a piston spool valve with cartridge sealing technology.

Table 1: Valve selection aid

Table 1: Valve selection aid

Please let us know if this special series on valve technology has been useful to you.  If you have questions and/or would like to see more on this topic email Denise Rockhill at drockhill@nfpa.com.


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