MAN L28/32A VALVE SPINDLES
1. Material:
Standard material: Spindle X40CrSiMo10-2)+ seat stellite welded
Alternative material: Spindle X33CrNiMnN23-8 (DIN 1.4866, 23-8N) + seat stellite welded
Best material：Nimonic 80A
2. Material chemical composition and mechanical properties comply with European Standard EN10090: 1998 Valve Steels and Alloys for Internal Combustion Engines.
3.Surface treatment：Chromed/Nitrided(Tufftrided)
Engine Model | Description | Dimension | P/N |
28/32 | in/exh valve spindle | ￠90×￠18×330.5×120° | L28-A12-01,60502-50-3103,60502-05H1-3381 |
28/32 | inlet valve seat | ￠100×￠74.2×33.5×120° | 60501-50-3689 |
28/32 | exhaust valve seat | ￠106×￠74×34×120° | 60501-50-3590/0110 |
B＆W 28/32, 28/32A | in/exh valve guide | ￠52×￠28×￠18×160 | 60501-50-2422,1352994-1,L28-06-02 |
28/32A,L28/32H | inlet valve spindle | ￠90×￠18×369×120° | |
ALPHA 6L28/32A | exhaust valve spindle (with rotating wing) | ￠90×￠18×369×120° | 1616-03-C10 |
ALPHA 6L28/32A | inlet valve seat | ￠105×￠70×50×120° | L28-06-05, 11616-02-A11B |
ALPHA 6L28/32A | exhaust valve seat | ￠105×￠72×50×120° | L28-06-04,11616-02-A11B,60501-19H-257 |
28/32A,L28/32H | inlet valve spindle | ￠90×￠18×369×120° | 60502-21H/12 |
