Designed for subsea use to a maximum of 12,500 ft./3,800 m water depth. The two 10 kpsi, 7-1/16 inch capping stacks are stored fully assembled in Singapore and South Africa. The Singapore stack has an 18-3/4 inch H4 mandrel on top, and the South Africa stack has a 7-1/16 inch Grayloc hub.
Capping Stack 10 kpsi
