The 3000 series progressive oil quantity distributor is an oil quantity distributor with advanced design and reasonable structure. The 3000 distributor series can be used in high pressure and wide temperature changing conditions. It can be combined with electric and pneumatic pumps to form a single-line lubrication system. It is a female distributor for various large-scale machine tools and port machinery or large-scale single-line lubrication systems. And ideal products for similar applications. A typical 3000 distributor consists of a "first film", a "tail film" and 3 to 10 working films. Usually a set of distributors can provide lubrication for 3 to 20 lubrication points. The work piece of 3000 distributor has various specifications of displacement (see technical specifications for details)。