1. HP Pump Inlet Isolation
2. Cutting Water Pump Isolation
3. Quench Extraction
4. Overhead Vapor Isolation
5. Coke Drum Bypass Isolation
6. Coke Drum Switching
7. Coke Drum Feed Isolation
8. Quench Extraction Isolation
9. Light Coker Gas Oil Pump EBV
10. Heavy Coker Gas Oil Pump EBV
11. Frac Bottoms EBV
12. Coke Filter Isolation
13. Furnace Charge Pump Inlet Isolation
14. Furnace Charge Pump Discharge Isolation
15. Furnace Feed Isolation
16. General Utility Valves (Stream, Water, Condensation) (not represented in diagram)
17. Drain Valves (not represented in diagram)
18. TUD. Top Unheading Device
19. TUD. Bottom Unheading Device