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API 6A Casing Head 9 5/8" x 5 1/2" - 3000 psi For Wellhead Equipment
The casing head is a kind of part for connecting casings and wellhead equipment according to API 6A. The casing head is used to support the weight of technical casing and intermediate casing and seal the annular space between the casings, which provides a transition joint for the installation of the tubing head, Christmas tree and other wellheads. The two-side-outlet design allows the casing head to supply cement, monitor and control well's sinking, and inject balance liquids etc.
Features of Casing Head
1.Top connections of casing head are API 6A flanged, and the flanges are provided with locking bolts.
2.Casing hanger has straight type seat bore 45degree cone of hanging shoulders with strong loading bolts.
3.Structural type of the matched casing hanger: slip and mandrel.
4.Outlet connection can be thread, bolted flange.
5.Bottom connection can be threaded, welded or slip.
Technical Parameter of casing Head
| Product Name | API 6A Casing Head/Casing Spool/Casing Head Assembly |
| Material | 60K/75K forged alloy steel |
| Nominal Size | 7 1/16”-30” |
| Working Pressure | 2000Psi~20000Psi |
| Working Temperature | -60℃~121℃ (KU) |
| Material Class | AA, BB, CC, DD, EE, FF |
| Product Specification Level | PSL1~PSL3G |
| Performance Requiremen Level | PR1~PR2 |
Specification of casing head
| Rating | Top Flange Size | Casing Size | Total Height (H) | Height Of Side Outlets(h) | Thru Bore (Min fA) | Bore Top Flange (fB) |
2000 PSI
| 11 | 8 5/8 | 19 | 61/2 | 8 1/6 | 10 31/32 |
| 11 | 9 5/8 | 19 | 6 1/2 | 9 1/8 | 10 31/32 | |
| 11 | 10 3/4 | 19 | 61/2 | 9 15/16 | 10 31/32 | |
| 13 5/8 | 11 3/4 | 19 | 6 1/2 | 9 15/16 | 10 31/32 | |
| 13 5/8 | 13 3/8 | 19 | 6 1/2 | 12 1/2 | 13 19/32 | |
| 16 3/4 | 16 | 18 1/8 | 6 1/2 | 15 3/8 | 16 11/16 | |
| 21 1/4 | 20 | 15 11/16 | 5 | 18 15/16 | 20 1/4 | |
3000 PSI
| 11 | 8 5/8 | 19 | 6 1/2 | 8 1/16 | 10 31/32 |
| 11 | 9 5/8 | 19 | 6 1/2 | 9 1/8 | 10 31/32 | |
| 11 | 10 3/4 | 19 | 6 1/2 | 9 15/16 | 10 31/32 | |
| 13 5/8 | 11 3/4 | 19 | 6 1/2 | 11 3/8 | 13 19/32 | |
| 13 5/8 | 13 3/8 | 19 | 6 1/2 | 12 1/2 | 13 19/32 | |
| 16 3/4 | 16 | 18 | 6 1/2 | 15 3/8 | 16 11/16 | |
| 20 3/4 | 20 | 15 11/16 | 6 1/2 | 18 15/16 | 20 1/4 | |
5000 PSI
| 11 | 8 5/8 | 19 | 6 1/2 | 8 1/16 | 10 31/32 |
| 11 | 9 5/8 | 19 | 6 1/2 | 9 1/8 | 10 31/32 | |
| 11 | 10 3/4 | 19 | 6 1/2 | 9 15/16 | 10 31/32 | |
| 13 5/8 | 13 3/8 | 19 | 6 1/2 | 12 1/2 | 13 19/32 |
