Prod Model: |
Yanmar N21 |
Markets: |
North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe |
Head Dia.: |
66mm |
Stem Dia.: |
14mm |
Overall Length: |
308mm |
Seat Angle: |
120 Degrees |
Material: |
Nimonic |
Fuel: |
Diesel Engine |
Product Description
Description for
Yanmar N21 Exhaust Valve:
1. Material: Nimonic 80A(NiCr20TiAl)
(comply with European Standard EN10090: 1998 Valve Steels and Alloys for Internal Combustion Engines)
2. Upset forging and die pressing for grain flow along head profile.
3. Close controlled heat treatment for achieving proper mechanical properties and metallurgical structure.
4. Stress released completely for microstructure and dimensional stability.
5. Dye penetrant or magnetic particle inspection for entire valve.
6. LR, BV, CCS Certificate depends on needs.
7. Proven Reliability by European customers.