Oilfield Wellhead Spool API 6A Double Studded Adapter / DSAF 3000 Psi
Oilfield WEllhead Spool API 6A Wellhead Double Studded Adapter / DSAF
The Wellhead Double Studded Adapter Flange is designed and manufactured in accordance with API 6A standard and used to a combination of flanges in different sizes and pressure ratings. Wellhead DSAF is the short name of the double studded adapter flange, it is a flange with a through bore and a ring groove on each side, drilled and tapped bolt hole sets on both sides and tapped end studs complete with nuts fitted on both sides, . The wellhead DSA is the sort of the adapter flange that is applied for the wellhead service in oilfield operation.
Technical information of the wellhead DSA
Product Name: Double Studded Adapter Flange (DSAF) or Double Studded Adapter (DSA)
Size: 1-13/16" - 30"
Working Pressure: 2000PSI, 3000PSI, 5000PSI, 10000PSI, 15000PSI
Material: AISI 4130(forged)/ SUS316/Inconel 625
Studs & Nuts Coating: Zinc Coated, Cadmium Coated, Xylan Coated
Temp Class: L-U
Material Class: AA, BB, CC, DD, EE, FF
Working Medium: Petroleum, Natural Gas, Mud etc
Product Specification Level: PSL1, PSL2, PSL3, PSL3G, PSL4
Performance Requirement: PR1, PR2
Specification of DSAF
| No. | DSAF Description | Flange thickness (T) (mm |
| 1 | 2-1/16" x 5M To 3-1/8" x 5M | 70 |
| 2 | 2-1/16" x 10M To 4-1/16" x 10M | 80 |
| 3 | 3-1/16" x 10M To 4-1/16" x 10M | 130 |
| 4 | 3-1/16" x 10M To 4-1/16" x 5M | 80 |
| 5 | 4-1/16" x 5M To 2-1/16" x 5M | 75 |
| 6 | 4-1/16" x 5M To 3-1/8" x 5M | 83 |
| 7 | 4-1/16" x 2M To 4-1/16" x 5M | 80 |
| 8 | 7-1/16" x 10M To 13-5/8" x 10M | 170 |
| 9 | 7-1/16" x 5M To 13-5/8" x 5M | 150 |
| 10 | 11" x 15M To 18-3/4" x 15M | 256 |
| 11 | 11" x 5M To 13-5/8" x 5M | 144 |
| 12 | 13-5/8" x 10M To 11" x 10M | 267 |
| 13 | 13-5/8" x 3M To 16-3/4" x 2M | 150 |
| 14 | 13-5/8" x 10M To 18-3/4" x 15M | 256 |
| 15 | 13-5/8" x 5M To 18-3/4" x 15M | 256 |
| 16 | 18-3/4" x 15M To 20-3/4" x 3M | 270 |
| 17 | 20-3/4" x 3M To 18-3/4" x 15M | 256 |
| 18 | 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.
YCJC also engaged in abroad marketing, through these years of efforts, our wellhead equipment is exported to many countries, such as Thailand, UAE, Iran, Brazil, Argentina, USA etc. and enjoyed good reputation from the customers.
YCJC will constantly insist on the innovation of products, technologies and system and strive for providing the excellent products and services for our customers. We are sincerely welcome you to work together.
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, 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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