Annular BOP

The design and manufacture at Annular BOP is according to API Spec 10A standard

Structure Features:

Packing element is spherical or tapered type with massive

storage volume low operation pressure and excellent sealing

function. Bonnet is her hemispherical-shaped, so there is

no stress concentrator on bonnet whenever bearing the

pressre. Bonnet and body are connected by a wedge block,

so the pressure is evenly distributed. Packing element is

interchangeable with similar overseas products.

Use observation hole to check the life span the packing element

Piston is set in low position to have shorter moving distance

Use wear ring on piston.

RAM type BOP

The design and manufacture of S-shaped Ram BOP is according to API Spec 161A standard. S shaped RAM BOP can be equipped with rams of various sizes.

Structure Features:

-Body and side door are made at alloy steel; Use sale rings assembly

    to improve sealing of side door.

-Use floating type ram. Front ram rubber is separated from top ram

    rubber, making It more reliable in sealing and easier to change.

-Use bluried oil way inside body. Loading hinge is separated from hydraulic

    hinge

-Compact hinge structure makes it easy to assemble and disassemble

-Use arc-shaped body chamber with four round corners as transition

    section to reduce stress pack value ,whenever bearing the pressure

-Ram cavity can be fitted with ram assembly of same type BOP

    made abroad

-Flange grooves are stainless steel lined