API PETROLEUM OILWELL FLOAT COLLAR FLOAT SHOES SUPPLIER

1. Reliable back pressure sealing mechanism, so that the flow resistance of cement slurry or slurry is small. 2. The valve seat and the valve core of vulcanized rubber can effectively prevent the return of cement slurry. 3. All internal parts of the body can be drilled, and the drift diameter is the same as that of the casing or liner.