API annulr Bop blowout preventer the ram bop is an intergral part of well control equipment. high quality ,best price

API annulr Bop blowout preventer

an annular bloeout preventer uses the principle of a wedge to shut in the wellbore.it has a donut-like rubber seal ,known as an elastomeric packing unit,reinforced with steel ribs.the packing unit is stiuated in the Bop housing between the head and hydraulic piston.

BOP cannot be closed for long time ,because the packing unit is easy to be damaged and the Bop itself has no locking mechanism.

API annular Bop blowout preventer