These distributors are executive devices with progressive manual and automatic central lubrication systems. Distributor is a circuit of blocks that are connected into one unit. It comprises an input block (A), the operation blocks (B) and the final block (C). Running blocks can be a minimum of 3 and a maximum of 12. Monitoring of the dispenser can be done by installing one block with visual control (BIv) or inductive encoder (BI). Block with inductive transducer provides electrical and visual'm monitoring.