Rotary feedthrough assembly for a tire inflation system for a vehicle, the assembly comprising: a stationary part comprising a first section of a main fluid line and a first section of a pilot fluid line; a rotatable part rotatably mounted on the stationary part and configured to support a pneumatic tire, the rotatable part comprising a second section of the main fluid line and a second section of the pilot fluid line; a first annular seal chamber radially disposed between the stationary part and the rotatable part, the first annular seal chamber providing fluid communication between the first section of the main fluid line and the second section of the main fluid line; a second annular seal chamber radially disposed between the stationary part and the rotatable part, the second annular seal chamber providing fluid communication between the first section of the pilot fluid line and the second section of the pilot fluid line; characterized in that a. the first annular seal chamber is located radially on an outer side of the rotatable part, the outer side of the rotatable part facing away from the axis of rotation of the rotatable part, and wherein the second annular seal chamber is located radially on an inner side of the rotatable part, the inner side of the rotatable part facing the axis of rotation of the rotatable part; or b. the second annular seal chamber is located radially on the outer side of the rotatable part, the outer side of the rotatable part facing away from the axis of rotation of the rotatable part, and wherein the first annular seal chamber is located radially the an inner side of the rotatable part, the inner side of the rotatable part facing the axis of rotation of the rotatable part. a stationary part comprising a first section of a main fluid line and a first section of a pilot fluid line; a rotatable part rotatably mounted on the stationary part and configured to support a pneumatic tire, the rotatable part comprising a second section of the main fluid line and a second section of the pilot fluid line; a first annular seal chamber radially disposed between the stationary part and the rotatable part, the first annular seal chamber providing fluid communication between the first section of the main fluid line and the second section of the main fluid line; a second annular seal chamber radially disposed between the stationary part and the rotatable part, the second annular seal chamber providing fluid communication between the first section of the pilot fluid line and the second section of the pilot fluid line; characterized in that a. the first annular seal chamber is located radially on an outer side of the rotatable part, the outer side of the rotatable part facing away from the axis of rotation of the rotatable part, and wherein the second annular seal chamber is located radially on an inner side of the rotatable part, the inner side of the rotatable part facing the axis of rotation of the rotatable part; or b. the second annular seal chamber is located radially on the outer side of the rotatable part, the outer side of the rotatable part facing away from the axis of rotation of the rotatable part, and wherein the first annular seal chamber is located radially the an inner side of the rotatable part, the inner side of the rotatable part facing the axis of rotation of the rotatable part. a. the first annular seal chamber is located radially on an outer side of the rotatable part, the outer side of the rotatable part facing away from the axis of rotation of the rotatable part, and wherein the second annular seal chamber is located radially on an inner side of the rotatable part, the inner side of the rotatable part facing the axis of rotation of the rotatable part; or b. the second annular seal chamber is located radially on the outer side of the rotatable part, the outer side of the rotatable part facing away from the axis of rotation of the rotatable part, and wherein the first annular seal chamber is located radially the an inner side of the rotatable part, the inner side of the rotatable part facing the axis of rotation of the rotatable part.