DD-NL Material Class Wellhead Adapter Spool Flange PLS 3 Production Level
API 6A Double Studded Adapter Flange Wellhead Spool Flange Adatper
The double studded adapter flange (DSAF) designs and manufactures strictly conformed with API 6A and API 16A specification requirement. The specification and pressure rating for both ends will be different, which is depended on hook of drilling well control equipment. Double studded Adapter Flange /DSA provides the connection for two different pieces of wellhead equipment with different size and pressure ratings where there is a restriction of space.
Featrues of Double Studded Adapter Flange
* The Double Studded Adapter Flange is made of integral alloy steel forging
* It is easy to install the DSA to the wellhead equipment.
* The double studded adapter flange is available in different specification to meet various requirement during wellhead operation.
General specification of the Double Studded Adapter Flange
| SAF Description | Flange thickness (T) (mm |
| 2-1/16" x 5M To 3-1/8" x 5M | 70 |
| 2-1/16" x 10M To 4-1/16" x 10M | 80 |
| 3-1/16" x 10M To 4-1/16" x 10M | 130 |
| 3-1/16" x 10M To 4-1/16" x 5M | 80 |
| 4-1/16" x 5M To 2-1/16" x 5M | 75 |
| 4-1/16" x 5M To 3-1/8" x 5M | 83 |
| 4-1/16" x 2M To 4-1/16" x 5M | 80 |
| 7-1/16" x 10M To 13-5/8" x 10M | 170 |
| 7-1/16" x 5M To 13-5/8" x 5M | 150 |
| 11" x 15M To 18-3/4" x 15M | 256 |
| 11" x 5M To 13-5/8" x 5M | 144 |
| 13-5/8" x 10M To 11" x 10M | 267 |
| 13-5/8" x 3M To 16-3/4" x 2M | 150 |
| 13-5/8" x 10M To 18-3/4" x 15M | 256 |
| 13-5/8" x 5M To 18-3/4" x 15M | 256 |
| 18-3/4" x 15M To 20-3/4" x 3M | 270 |
| 20-3/4" x 3M To 18-3/4" x 15M | 256 |
| 21-1/4" x 2M To 18-3/4" x 15M | 256 |
About JC Wellhead
Jingcheng Petroleum Machinery Manufacturing Co.,Ltd was established in 2008, we are specialized in design and manufacturing of the oilfield wellhead equipment. We - YCJC are a registered supplier for CNPC, GWDC, CCDC in China.
The wellhead equipment we manufacture and supply include casing head, tubing head, casing spool, tubing spool, Gate valve, Choke valve, Check valve, X-mas tree, VR plug, Tubing hanger, casing hanger, Running tool, Wear bushing, spacer spool, double studded adapter flange, single studded adapter flange, flange adapter, union flange, Hammer union, Elbow, swivel joint, block cross, Block Tee, companion flange, instrument flange, weldneck flange, FC gate, FC seat, FC stem, API Clamp, API Clamp Hub
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