Claims: A water hydraulic centre mechanism including a shaping bladder for a tire curing press comprising Top ring up down control shaft with stopper, centre mechanism 2 or 3 piece hub with gland and guide seal, bladder assembly clamp ring with adapter, height adjusting distance piece above the middle piston and height adjusting split distance piece between stopper and lower piston. , Description: This invention relates more specifically in water hydraulic tire curing press control the bladder top ring down height.