Primary Pressure Regulator
The liquid is displaced from the spraying pump to a primary pressure regulator (B) which ensures that pressure higher than the set spraying pressure is always available for a number of functions. This pressure regulator is factory set at 8 bar. It can be changed by turning adjusting screw (A). Tightening the adjusting screw increases the pressure, while loosening the spindle reduces the pressure. A damaged diaphragm or incorrect fitting of a diaphragm will result in leakage. This becomes apparent when liquid flows out of leakage hole on the spring holder.
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A-Adjusting screw
B-Pressure regulator
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