Pneumatic suspension system for a vehicle, comprising: - a mounting arrangement for mounting a portion of the vehicle on a chassis; the mounting arrangement including at least one pneumatic spring to be arranged and coupled between the portion of the vehicle and the vehicle chassis; - a pressure supply and a pressure uptake; - for each pneumatic spring respectively, a valve device communicatively coupled to the pressure supply; the pressure uptake and a respective pneumatic spring via a respective pressure terminal; pressure uptake terminal and spring terminal; - a vehicle state control system that provides a pressure set value in the pneumatic spring; - a pressure controller arranged to the valve device alternatively for pressurizing or depressurizing the each pneumatic spring; - wherein the valve device comprises at least a first valve having a valve outlet coupled to the spring terminal and a valve inlet communicatively coupled to the pressure terminal, and further comprising ∘ a valve seat comprising a sealing edge (104,704,804) and valve member comprising a sealing face; the sealing face being pressed in normally closed condition against the sealing edge (104,704,804) by an elastic force means; so that in use, an inlet pressure is exerted on the valve member via the valve seat orifice, so that an outlet pressure counteracts on the valve member; the valve member being subject to force generated by a pressure difference between inlet and outlet on an effective area of the sealing face defined by the sealing edge (104,704,804); and ∘ an electric actuator mechanically coupled to the valve member having a continuously variable force set point so as to define, by the pressure controller, a set force counteracting the elastic force, to generate, by control of the force set point; a set pressure difference between the inlet and outlet derived from the vehicle state control system irrespective of gas mass flow and gas temperature; ∘ the valve seat further comprising a support structure (102,702,802) distinct from the sealing edge (104,704,804) and arranged to providing supporting contact to the sealing face to counteract deformations of the sealing face. - a mounting arrangement for mounting a portion of the vehicle on a chassis; the mounting arrangement including at least one pneumatic spring to be arranged and coupled between the portion of the vehicle and the vehicle chassis; - a pressure supply and a pressure uptake; - for each pneumatic spring respectively, a valve device communicatively coupled to the pressure supply; the pressure uptake and a respective pneumatic spring via a respective pressure terminal; pressure uptake terminal and spring terminal; - a vehicle state control system that provides a pressure set value in the pneumatic spring; - a pressure controller arranged to the valve device alternatively for pressurizing or depressurizing the each pneumatic spring; - wherein the valve device comprises at least a first valve having a valve outlet coupled to the spring terminal and a valve inlet communicatively coupled to the pressure terminal, and further comprising ∘ a valve seat comprising a sealing edge (104,704,804) and valve member comprising a sealing face; the sealing face being pressed in normally closed condition against the sealing edge (104,704,804) by an elastic force means; so that in use, an inlet pressure is exerted on the valve member via the valve seat orifice, so that an outlet pressure counteracts on the valve member; the valve member being subject to force generated by a pressure difference between inlet and outlet on an effective area of the sealing face defined by the sealing edge (104,704,804); and ∘ an electric actuator mechanically coupled to the valve member having a continuously variable force set point so as to define, by the pressure controller, a set force counteracting the elastic force, to generate, by control of the force set point; a set pressure difference between the inlet and outlet derived from the vehicle state control system irrespective of gas mass flow and gas temperature; ∘ the valve seat further comprising a support structure (102,702,802) distinct from the sealing edge (104,704,804) and arranged to providing supporting contact to the sealing face to counteract deformations of the sealing face. ∘ a valve seat comprising a sealing edge (104,704,804) and valve member comprising a sealing face; the sealing face being pressed in normally closed condition against the sealing edge (104,704,804) by an elastic force means; so that in use, an inlet pressure is exerted on the valve member via the valve seat orifice, so that an outlet pressure counteracts on the valve member; the valve member being subject to force generated by a pressure difference between inlet and outlet on an effective area of the sealing face defined by the sealing edge (104,704,804); and ∘ an electric actuator mechanically coupled to the valve member having a continuously variable force set point so as to define, by the pressure controller, a set force counteracting the elastic force, to generate, by control of the force set point; a set pressure difference between the inlet and outlet derived from the vehicle state control system irrespective of gas mass flow and gas temperature; ∘ the valve seat further comprising a support structure (102,702,802) distinct from the sealing edge (104,704,804) and arranged to providing supporting contact to the sealing face to counteract deformations of the sealing face.