Prod Model: |
MAN L32/40 |
Markets: |
North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe |
Material: |
Ggv Hb200 |
Dimensions: |
60diax40diax24dia Borex226length |
Product Description
Description of
Valve Guide for
MAN 32/401. Material: GGV HB200
A). Mechanical properties:
Tensile strength: 250MPa min. Hardness: HB220-260
B). Matrix: Perlite, ferrite 10% max.; Graphite: Preferably lamellar and uniformly distributed; Phosphide eutectic: Preferably continuous network.
2. Guide bore to be gun drilled and plateau honed for excellent bore diameter and straightness and achieving cross hatch pattern for better running-in;
3. Fitting diameter to be ground, and achieving max. 0.0008' concentricity between guide bore and fitting dia.
4. Surface treatment: Phosphating or Tufftriding.
5. Casting defects and welding repair are not allowed.