Reply To: Is a 5-port valve a 5-way valve?

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I normally tell people that when describing a directional control valve, to just use numbers and avoid “ways”. example is: if during a telephone conversation, the person on the other end of a line wants to crossover a “four-way valve”. I that is receiving the call, don’t really know whether he is using a 4-port or a 5-port valve (unless I ask him how many exhaust ports his valve has). This is the reason why I avoid “way”. It is just very confusing to all. Why just use numbers…like a 4/2 valve is a 4-port, 2-position AND a 5/2 valve is a 5-port, 2-position. I’ve seen books describing a 5-port as five-way (the Industrial Training Zone, ITZ). Whereas other books described a 5-port as “four-way”