Performance characteristics: progressive oil supply, piece structure (consisting of first piece and 3-10 working pieces of piece end).Suitable for high pressure service, maximum pressure: 25Mpa, standard discharge: 0.16-1.12ml/cyc in various sizes.Easy to monitor, can be equipped with a cycle indicator lever or a bad cycle switch. Medium used: Lubricating oil ≥ N68#, grease NLGI000#-2#, suitable for medium pressure working conditions, maximum nominal pressure: 16Mpa, each group of distributor can supply lubrication points: 3-20 points.