Min. Order Reference FOB Price
1 Piece US$5,000.00-20,000.00 / Piece
Product Description
API 16A 13 5/8" 10000psi shaffer annular bop for well drilling In case of blowout and well-sealing is needed, high pressure oil coming from control system enters the bottom closing chamber from bottom inlet to push piston moving upward. The movement of piston forces rubber core to move upward ...