YANMAR N21 ENGINE VALVES
N21
Professional Yanmar N21 engine intake valve & Exhaust valve factory since 1990
Quantity
Description
YANMAR6N21 VALVE SPINDLES
1. Material Alternatives (comply with European standard EN 10090: 1998)
A) Standard material:4Cr10Si2Mo+STL,23-8N +STL
B) Alternative material: 4Cr9Si2Mo+STL,4Cr14Ni14W2Mo,Nimonic 80A ,welded valve Spindles
2. Upset forging and die pressing for grain flow along head profile.
3. Close controled heat treatment for achieving proper mechanical properties and metallurgical structure.
4. Stress released completely for microstructure and dimensional stability.
5. Stem chrome plating.
6. Supersonic detection for welded seat, dye penetrant inspection for entire valve.
7. LR, BV, CCS Certificate depends on needs.
8. Proven Reliability by European customers.
A) Standard material:4Cr10Si2Mo+STL,23-8N +STL
B) Alternative material: 4Cr9Si2Mo+STL,4Cr14Ni14W2Mo,Nimonic 80A ,welded valve Spindles
2. Upset forging and die pressing for grain flow along head profile.
3. Close controled heat treatment for achieving proper mechanical properties and metallurgical structure.
4. Stress released completely for microstructure and dimensional stability.
5. Stem chrome plating.
6. Supersonic detection for welded seat, dye penetrant inspection for entire valve.
7. LR, BV, CCS Certificate depends on needs.
8. Proven Reliability by European customers.
| Engine Model | Description | Dimension | P/N |
| N21 | inlet valve spindle | ￠68×￠14×308×120° | 132653-11100,132654-11100 |
| N21 | exhaust valve spindle | ￠66×￠14×308×90° | 132654-11121 |
