ZYB series electric oil gear pump is suitable for conveying mediums such as heavy oil, diesel oil, coal tar, grain oil, chemical industry, building materials, daily chemical products, etc. with temperature not higher than 200℃ and viscosity not greater than 150mm2/S containing non-metallic impurities. The machine adopts self-senon-metallic-impuritiesaling lubrication design, gap automatic adjustment structure, parts using high wear-resistant materials, with compact structure, good self-absorption, high efficiency, adaptability and so on.