Heidelberg 61.184.1111 Cylinder Valve Unit The Heidelberg 61.184.1111 Cylinder Valve Unit Air Cylinder is a precision-engineered replacement component specifically designed for Heidelberg offset printing machines. Renowned for reliability, this unit ensures optimal pneumatic performance in demanding print environments. Key Advantages High Compatibility: Specifically designed for SM102 and CD102 models. Professional Grade: High-quality replacement part meeting industry