FH35-35 Drilling Shaffer type BOP for sale
FH35-35 Drilling Shaffer type BOP for sale
API16A annular blowout preventer/BOP installation could consist of both annular and ram type BOPs assembled into a stack. Also, there can be a kill line valve and a choke line valve. The choke line valve is used to redirect the mud from the well bore to the choke manifold during a kick. The kill line valve is used to direct drilling fluid to the BOP during a kick. Annular BOPs are designed to form a seal in the annular space between the drill pipe and the wellbore and are usually mounted at the top of the BOP stack.
Product Feature：
1. Packing element is spherical or tapered type with massive storage volume, low operation pressure and excellent sealing function;
2. Bonnet is hemispherical-shaped, so there is no stress concentration on bonnet whenever bearing the pressure.
3.Bonnet and body are connected by a wedge block, so the pressure is evenly distributed;
4. Packing element is interchangeable with similar overseas products;
5. Use observation hole to check the life span of the packing element;
6.Piston is set in low position to have a shorter moving distance; Use wear ring on piston.
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