Ridutive three -way pressure proportional valve, piloted, with integrated electronics Le Pze3g, PZE3GL, PZE3GH are proportional valves of reduced three -way pressure, piloted, with integrated electronics. For plate assembly. Their function is to regulate the pressure of users to a value proportional to the command, reducing the pressure of the P line and downloading any overpressions present in the user in t. Electronics options on board for open ring: