The pressure reducing device determines upstream main system pressure. A pressure-reducing valve is normally an open, 2-way valve that allows system pressure fluid to flow through it until a set pressure is reached downstream. It then shifts to throttle flow into the branch.
|Pressure Reducing Port|
P Port, A Port, B Port, P Port, A Port, B Port
B – (*-70 bar Pressure Range), C – (35-140 bar Pressure Range), H – (70-210 bar Pressure Range), B, C, H