HEBEI NEW TIEHU PETROLEUM MACHINERY CO., LTD
Annular BOP cone packing element 21 1-4‘’-2000psi
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Spherical rubbers This kind of rubber is just like a half ball . It is made of radial supporting ribs (steel segment) and rubber. The rib is made of alloy－steel. When the rubber is opened, the ribs will be away ...
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13-5/8''-5000psi Top seal ，Face seal
11''-3000psi packing element ，Spherical rubbers