Applicationt:
VOLVO
Production Description:
the valve seat and valve guide is high in quality ,
low in price and a much longer service life.
Engine parts of valve,vlave guide and valve seat:
Valve Seat
Material: High Chrome Molybdenum Cast Iron Alloy.
Its the advanced technology introduced from UnitedKidom Institute of
internal-combustion engine and the latest formula developed by Shanghai
internal-combustionengine 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 kilometre.
REMARKS:The normal valve seat is made by Powder mMllurgy.
Just can be used 30--50 thousand-kilometre.
Valve Guide
Material: High Phosphor Cast Iron Alloy
Its developed by Fabbrica Italiana Automobile Company and adopt formula
ofvalveguidefrom 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-kilometre
REMARKS: The normal valve seat is made by Powder Metallurgy.
Just can be used 30--50 thousand-kilometre.