Although rubber expansion joint has been used in a variety of field in abroad before World War II, its production in Japan began after the war. Since then, the rubber expansion joints have been recognized to be one of the most important modules to support power plants which have been necessary for economical renovation. Other rubber lined products such as pipes and valves are also often used for power plants utilizing the chemical stability and elasticity of the rubber. In this review, practical usage of rubber expansion joints and rubber-lined modules used in power plants is described.