With superior alloy steel, pressure containing parts have better strength and impact toughness.
Combined seal rings are used on side door for stronger sealing performance.
Floating or unitary type flashboard has reliable sealing performance and is easy to replace.
Buried oil circuit design.Carrying hinge and hydraulic hinge are separated.
Hinge is easy to dismounting with sample structure.
Two flanks of the chamber are orthodrome-shaped,and the parts around are arc-shaped.This kind of structure can decrease the stress peak value of the shell.
The flashboard chamber could be matched with similar flashboards from same type blowout preventers abroad.
With compact structure, this product is smaller than similar products abroad.
