BACKEND KIT is the term we use to describe the pipes components from the hopper to the beginning of the deck pipeline. Highly wear resistant assembly made of ESSER TWIN 900 components with CCI inner lining and reinforced weld-on collars. The wear layer has a hardness of 67 HRC. We supply BACKEND KITs for truck-mounted concrete pumps made by CIFA, LIEBHERR, PUTZMEITER and SCHWING.