Circulation Valve
The circulation valve (D) is located at the front side near the operator's station. This valve determines the return flow direction of the pressure regulator. When the four-way valve (A) is set in any position and valve (D) is placed in position (B), the remaining liquid of the pressure regulator returns into the tank. When valve (D) is set in position (C), the liquid returns to the suction side of the pump. For machines with double pump, refer also to "Agitation" in this section.
A-Four-way valve
B-Return to tank
C-Return to suction side of the pump
D-Circulation valve
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