Our company can produce the valve seat and valve guide for DETROIT series:
71,92,S40,18V2000
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.