The invention pertains to a valve, particularly an exhaust gas recirculation valve, said valve comprising a conduit (4) for circulating a cooling fluid having a wall (10) intended to come in contact with a circulation flange of said cooling fluid, said wall (10) having a plurality of grooves (16) and ribs (14) configured to limit contact between said flange and said wall (1) at said ribs (14), said ribs (14) being formed by machining and said grooves (16) being produced from molding the valve.