BOP Stacks, Annular BOP, Sigle Ram BOP, Double Ram BOP

BLOWOUT PREVENTER

F-35-70 blowout preventer unit has a commom inside nominal diameter of 346.1mm and niminal working pressure up to 70Mpa.The unit is composed of Annular Blowout Preventer (NWP 35 Mpa),Single-gate blowout preventer,dual-gate blowgate preventer and cross joint (NWP70 Mpa).The unit is designed and built for deep well drilling as well as offshore self-elevating drilling.

Main Technical Parameter

FH35-35/70 annular blowout preventer

working diameter: ?346.1mm
nominal working pressure: 35Mpa
upper flange gasket ring: BX-160
lower flange gasket ring: BX-159
upper flange connecting bolt: 16-M42 × 3
lower flange connecting bolt: 20-M48 × 3

FZ35-70 single-gate
2FZ35-70 dual-gate blowout preventer

working diameter: ?346.1mm
nominal working pressure: 70Mpa
upper/lower flange gasket ring: BX-159
flange connecting bolt: 20-M48 × 3

FS35-70 cross join

working diameter: ?346.1mm
nominal working pressure: 70Mpa
upper/lower flange gasket ring: BX-159
flange connecting bolt: 20-M48 × 3
side outlet diameter: 78mm(3 1/16")
flange gasket ring: BX-154
flange connecting bolt: 8-M24

FSZ35-70 convertible cross joint

nominal working pressure: 70Mpa
upper flange working pressure: ?180mm
gasket ring: BX-156
connecting bolt: 12-M39 × 3
lower working diameter: ?346.1mm
gasket ring: BX-159
connecting bolt: 20-M48 × 3
side outlet diameter: 78mm(3 1/16")
flange gasket ring: BX-154
flange connecting bolt: 8-M24