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API 6A 16A Oilfield Drilling Fitting Connections DSA Double Studded Adapter Flange c/w bolts and nuts
A Double Studded Adapter (DSA) is commonly used to connect flanges with different nominal sizes, pressure ratings, and configurations. We have DSA’s available in a range of different sizes and pressure ratings.


Key Features
1. Can be used to connect flanges with any combination of sizes and pressure ratings
2. Custom DSA’s are available to transition between API, ASME, MSS or other styles of flanges
3. Supplied with standard or customer specific thicknesses
4. Normally provided with tap-end studs and nuts
5. Available for general service and sour service in compliance with any temperature rating and material requirements specified in API Specification 6A
6. Available with Stainless Steel 316L or Inconel 625 corrosion resistant ring grooves



| DSAF | Flange Thickness(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” X10M | 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 |
| 21-3/4” X 2M To 18-3/4” X 15M | 256 |
| 21-3/4” X 2M To 18-3/4” X 15M | 200 |
| 26-3/4” X 3M To 21-3/4” X 2M | 200 |
| 30” X 3M To 21-3/4” X 2M | 175 |
| 30” X 1M To 26-3/4” X 3M | 200 |



We have more than 10 years fabricating experience and more than 3 years international trading experience.


Q1. What is the advantage about your company?
A1. Our company has professional team and professional production line.
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