1. Seat Condition – Poor

Brass Seat

Step Grit Material
1 80 Micron alumina
2 120 Silicon (K)
Micron alumina
3 180 Silicon (K)
Micron alumina
4 400 Silicon (K)
Micron alumina

Stainless Steel Seat

Step Grit Material
1 60-80 Diamond
Ceramix
2 80 Micron alumina
Ceramix
3 120 Micron alumina
Ceramix
4 180 Micron alumina
Ceramix
5 400 Micron alumina
Ceramix

Stellite Seat

Step Grit Material
1 60-80 Diamond
Ceramix
2 80 Micron alumina
Ceramix
Diamond
3 120 Micron alumina
Ceramix
Diamond
4 180 Micron alumina
Ceramix
5 400 Micron alumina
Ceramix

2. Seat Condition – Normal

Brass Seat

Step Grit Material
1 80 Silicon (K)
Micron alumina
2 120 Silicon (K)
Micron alumina
3 180 Silicon (K)
Micron alumina
4 400 Silicon (K)
Micron alumina

Stainless Steel Seat

Step Grit Material
1 80 Micron alumina
Ceramix
2 120 Micron alumina
Ceramix
3 180 Micron alumina
Ceramix
4 400 Micron alumina
Ceramix

Stellite Seat

Step Grit Material
1 80 Micron alumina
Ceramix
Diamond
2 120 Micron alumina
Ceramix
Diamond
3 180 Micron alumina
Ceramix
4 400 Micron alumina
Ceramix

3. Seat Condition – Good

Brass Seat

Step Grit Material
1 120 Silicon (K)
Micron alumina
2 180 Silicon (K)
Micron alumina
3 400 Silicon (K)
Micron alumina

Stainless Steel Seat

Step Grit Material
1 120 Micron alumina
Ceramix
2 180 Micron alumina
Ceramix
3 400 Micron alumina
Ceramix

Stellite Seat

Step Grit Material
1 120 Micron alumina
Ceramix
2 180 Micron alumina
Ceramix
3 400 Micron alumina
Ceramix