An one-piece integrated coke drum de-heading seat machined from a single forced metal block. The seat has bias members and expansion chambers stacked and aligned to increase the load force from about 250 PSI to over 850 PSI when activated by gasses.

Systems and methods for safe on-line pigging decoking of a coker furnace tubes and which also permits on-line spalling operations.

Systems and methods for safe on-line pigging decoking of a coker furnace tubes and which also permits on-line spalling operations.

Systems and methods for safe on-line pigging decoking of a coker furnace tubes and which also permits on-line spalling operations.

Systems and methods for safe on-line pigging decoking of a coker furnace tubes and which also permits on-line spalling operations.