API   Float Collar

1.The FG Float Collar is run in a casing assembly,usually several joints above the Float Shoe,

2.It serves as an extra back pressure valve sealing against pressures from blow while running the assembly and after the cementing job.Inernal latch and valve are readily drillable.Its capability of back-pressure is over 20MPa.

3.Specifications Φ244.5/Φ177.8/Φ139.7/Φ127/Φ114.3/Φ101.6/Φ88.9