ZYB magnetic drive gear oil pump applies to convey heavy oil, diesel oil, coal tar, grain and oil, chemical industry, building materials, daily chemical products and other media with a temperature not higher than 200 ℃ and a viscosity not greater than 150 mm2/S containing non-metallic impurities. This machine adopts a self-sealing lubrication design, gap automatic adjustment structure, the parts are made of high wear-resistant materials, featuring compact structure, good self-absorption, high efficiency, strong adaptability and so on.