Both base and pigment valv… In other words, the controller has split the role between the control valves, or we professionals say, the controller splits the range of actions on control valves This would be transmitted to the two valves via a shared pneumatic.
Split Range Control System – Working Principle, Pneumatic Signals
Learn split range control in control valve applications with complementary, exclusive, and progressive modes, practical examples, valve tables, and faqs.