漂浮海豹（1M8747的，2M2858的，9W6667的，170-27-00021、e

1. The features of our floating seals as follow: 1) Material: 15Cr&Mo cast iron, the best material in the world at present2) HRC: 65-723) Out Diameter: 50-865mm, Max 1500mm4) Life: over 4500 hours 5) Working face precision: 0.0015mm 6) Flatness: 0.1um-0.2 um; 7) Pressure: 1.0-1.7MPa/cm2 (max.) 8) Temperature range: -20-90°c 9) Circumferential speed: 3m/ sec (max). 10) Character: high hardness,wear resisting,anti dirty ability, corrosion resistant. 2. Adapt to machine type and machine brand 1) Bulldozer Japan: (KOMATSU): D50, D60, D80, D85, D155, D355; American: (CATERPILLAR): D58, D60, D7G, D8K, D9L, D10H; China: SHANTUI, SHANGHAI, YELLOU RIVER, YISHAN and QINGGONG; 2) Hydraulic excavator Germany: R902-R992, American CAT hydraulic excavators Japanese Komatsu hydraulic excavators; 3) Agriculture machine Kubota, Tatu oil bath bearing 4) Various loaders and land levelers, cranes, mixers, mining machines, etc. 3. Technology Our products are made of high alloy steel. The rough cast, through hot forming, is of high strength, grind the uneven edge. the metal structure is improved through repeated heat treatment, thus the product wears well and the precision is achieved.