The material of the life time seal is a special chrome molybdenum cast iron, the content of chrome is 15 percent and molybdenum is 1-3 percent.

Character: high hardness, wear-resisting, anti-dirty ability, corrosion resistant.

Life: over 4500 hours

HRC: 65-72

Specifications

Pressure: 1.0-1.7bar/cm2 (max.)

Temperature range: -20-90 degree

Circumferential speed: 3m/ sec (max).

Our life time  seals are used in construction machinery and mining machinery, the outer diameter is from 58-768mm. the material is chrome molybdenum casting iron.

The hardness is HRC65-72, the working face precision within 0.015um, flatness up to 0.1um-0.2 um; the lifetime is more than 4500 hours.

Our life time seal is applicable to various engineering machinery and mining machinery.

1.    Chinas bulldozer such as Shantui, Shanghai, Yellow River, Yishan and Qinggong;

2.   Japan bulldozer (KOMATSU): D50, D60, D80, D85, D155, D355; American bulldozer (CATERPILLAR): D58, D60, D7G, D8K, D9L, D10H;

3.    Germany hydraulic excavator R902-R992, American CAT hydraulic excavators Japanese Komatsu hydraulic excavators;

4.    Various loaders and land levelers, cranes, mixers, mining machines, etc.

used in various of engineering and mining machineries, like komatsu，cat hitachi daewoo kobelco sumitomo hyundai and so on.