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API 6A Wellhead Double Studded Adapter Flange 21 1 / 4" x 5M -20 3 / 4" x 3M
The Double Studded Adapter flange in 21 1/4" x 5M -20 3/4" x 3M is the connection wellhead part which is often used in the wellhead system. The DSA is designed and manufactured in accordance with API 6A standard. The 21 1/4" x 5M -20 3/4" x 3M DSA has double studded flange connections in different size or in different working pressure. JC petroleum equipment factory is able to manufacture all sizes and pressure ratings DSA used for oilfield applications as per the customers' requirement.
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 21 1 / 4" x 5M -20 3 / 4" x 3M DSAF
| 1 | Top Conn. | 21-1/4"-5000 PSI |
| 2 | Bottom Conn. | 20-3/4"-3000 PSI |
| 3 | Test Pressure | 4500 PSI |
| 4 | All Flanges Ring Groove inlay | SS 316 |
| 5 | Ring GasketS | BX-165 & RX-74 |
| 6 | PSL | 1 |
| 7 | Temperature | T |
| 8 | Material class | AA |
| 9 | OAL | AS PER MANUFACTURER |
| 10 | Studs (A193/Gr B7) | 2"x11-3/4" |
| 11 | Studs Qty | 24 |
| 12 | Nuts (A-194/Gr 2H) | 3-1/8" across FLATS |
| 13 | Nut Qty | 24 |
| 10.1 | Studs (A193/Gr B7) | 2"x 10-1/8" |
| 11.1 | Studs Qty | 20 |
| 12.1 | Nuts (A-194/Gr 2H) | 3-1/8" across FLATS |
| 13.1 | Nut Qty | 20 |
| 16 | Applicable API standard | 6A |
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.
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