1.Pack off element is automatically energized with casing weight
2.Sealing device is reliable, safe and convenient.
3.It is suitable for deep wellhead service
4.Size available: 5-1/2"; 7" & 9-5/8".
1.Casing hanger is used for connecting casing head and surface casing through slip type tightening device with help of external force.
2.Installation and disassemble are convenient and working performance is reliable and safe.
3.Size available: 13-3/8", 20" & 30".