Festo VPPI Proportional Pressure Regulator Brief

The valve VPPI is a directly actuated proportional pressure regulator that uses two proportional 2/2-way valves as a basis.
The valve regulates a pneumatic pressure to an electronically defined value. This makes use of cascaded closed-loop control of pressure/motion and current. Control is provided using an analogue current or voltage signal, or alternatively using a digital pattern (voltage version only) for adjustable setpoint values, or using a PWM signal (voltage version only).