IRIE KOKEN’s metal bellows applied products are widely used as rail car parts as a result of many years of use performance and high reliability.
Conservators manufactured by IRIE KOKEN are used for Shinkansen bullet trains and many limited express trains across Japan. The role of a conservator is to support safe operation by adjusting the expansion and contraction of main transformer insulating oil caused by changes in temperature.
The load sensing valve is a variable load sensor used to automatically control the brake force according to the load of each container carriage.
Vibration absorption, etc