... Temperature -45°C to 250°C Working Medium Hydraulic oil, water and dust Origin China AdvantageGood resistance to oils, fuels, lubricants ... Komatsu, Sumitomo, HITACHI, Kato, Caterpillar, Deawoo, Hyundai, Kobelco, and so on.Oil seals are used to seal lubricants adn fluids around ... well as several other custom lip and case design from over 50000 available tools, we also supply custom shaft seals per your ...