Do Type Seal

We are manufacturing and exporting an excellent quality DO Type Seal to our valuable customers in Baoding, Hebei, China.

1.Material of the seal is a special chrome molybdenum cast iron, the content of chrome is 15 percent and molybdenum is 1-3 percent, and other elements
2.Character: high hardness, wear-resisting, anti-dirty ability, corrosion resistant
3.Lifetime is 5000 hours and the hardness is hrc65-72, the sealing face precision less than 0.15micron, flatness precision is 0.005mm-0.01mm
Specifications pressure: 0.35mpa (maximum)
Temperature range: -40A c to 240A c
Circumferential speed: 3m/ second (maximum)
4.Size of the seals are various, the outer diameter is from 45-1425mm
Our rotary seals are used in construction machinery and mining machinery, like Komatsu, Caterpiller Hitachi Daewoo Kobelco and Sumitomo Hyundai
Chinas bulldozer such as Shantui, Shanghai, Yellou river, Yishan and Qinggong
Japan bulldozer (Komatsu): D50, D60, D80, D85, D155, D355 American bulldozer (caterpillar): D58, D60, D7g, D8k, D9l, D10h
Germany hydraulic excavator r902-r992 american cat hydraulic excavators japanese Komatsu hydraulic excavators
Various earth moving machine and cranes, construction machinery, mining machines
5.We accept OEM and ODM, the label and packing made according to buyers' request.
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Additionally, these can be availed from us at reasonable price.