Our company can produce the valve seat and valve guide for KOMATSU series: ]
| D series： | D80, D85 |
| 3D series： | 3D75, 3D84, 3D94 |
| 4D series： | 4D92, 4D94, 4D94E, 4D95, 4D105, 4D120, 4D130, 4D155 |
| S6A series： | S6A, S6N |
| S6D series： | S6D95, S6D102, S6D105, S6D107, S6D108, S6D110, |
| S6D114, S6D115, S6D125, S6D140, S6D155, S6D170, | |
| 6D105 |
Valve Seat
Material: High Chrome Molybdenum Cast Iron Alloy.
It's the advanced technology introduced from
United Kingdom Institute of internal-combustion
engine and the latest formula developed by Shanghai
internal-combustion engine institute under the actual
situation of China.
Function: 1)High attrition endurance,
2)High temperature endurance
3)High erosion endurance.
4)Can be used 150--300 thousand kilometers
REMARKS: The normal valve seat is made by Powder
Metallurgry .
Just can be used 30--50 thousand-kilometers.
Valve Guide
Material: High Phosphor Cast Iron Alloy
It's developed by Italian FIAT Automobile
Company and adopt formula
of valve guide from NanJing New Daily Automobile
Company.
Function: 1)High attrition endurance,
2)High temperature endurance
3)High erosion endurance.
4)Can be used 150--300 thousand-kilometers.
REMARKS: The normal valve seat is made by Powder
Metallurgy.
Just can be used 30--50 thousand-kilometers.