[121] 4/3-way valve: overlap positions (1)
The illustration shows the
left-hand overlap position of a 4/3-way valve with positive
overlap in the mid-position (closed mid-position). This overlap
position is a mixture of positive and negative overlap; P is
connected to A, B and T are closed.
With 4/3-way valves, the types of overlap positions is generally specified in the data sheet.