The AVENTICS E/P Pressure Regulators are pneumatic control valves that use digital control electronics and proportional technology to ensure sensitive and accurate pressure control. They are designed for use in a variety of industrial applications, and are known for their robust construction and resistance to contamination. The poppet valve technology used in these regulators allows for a large opening cross-section and the use of a soft-sealing valve seat, which helps to prevent contamination and wear. The direct-acting design of these regulators means that they respond directly to changes in the pressure of the system, allowing for precise and fast control. The exact design and features of the E/P Pressure Regulators will depend on the specific requirements of the application and the characteristics of the system in which they are used. They may be available in different sizes, configurations, and pressure ratings to suit different needs.