RECONDITIONING PROCEDURE EXHAUST VALVE SEAT
![1](/images/procedure/exhaust-valve-seat/1.jpg)
1. Cleaning / inspection mpi/dye check
![1](/images/procedure/exhaust-valve-seat/2.jpg)
2. Premaching of seating area and o-ring grooves
![1](/images/procedure/exhaust-valve-seat/3.jpg)
3. O-ring grooves / base layer St.St by MIG welding Seating layer Stellite/hardfacing by Plasma welding
![1](/images/procedure/exhaust-valve-seat/4.jpg)
4. Final machining by cnc
![1](/images/procedure/exhaust-valve-seat/5.jpg)
5. Reconditioned seats after final inspection