Double Studded Adapter (DSA)
- Standards: 6A, NACE MR0175, ISO 9001, ISO14001, ANSI.
- Traceability: double studded adapter flanges are supplied with full traceability documentation for each component.
- Service Conditions: General or Sour Services.
- Application: Wellhead, Manifold, Shipbuilding, Pipe Projects, etc.
- Technical Specification
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| 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 |
Other sizes and pressure ratings are available upon request.
Double Studded Adapter Flange (DSAF) or Double Studded Adapter (DSA) 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. Unlike a spacer, the two sides are usually different in size and/or pressure rating. Double studded adapter flanges are commonly utilized to connect and adapt flanges with different nominal sizes, pressure ratings, and configurations. We also produce and supply other types 6A flanges, such as threaded flanges, spacer spool flanges, blind flanges, companion flanges, target flanges, test flanges, and adapter spools for all client needs
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Please send us your inquiry with detail item description or with Model number. If there is no packing demand we take it as our regular exported standard packing. We will offer you an order form for filling. We will recommend you the most suitable model according to information you offered.
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Lake Petro is located in Dongying City, which is famous for Shengli Oilfield and the largest manufacturing hub of petroleum equipment in China. Following the principle of “quality first, science and technology innovated, people oriented”, every Lake Petro person is sparing no effort to provide the customers with best products and services. Our products are based on advanced production line and testing equipment, our products are designed and manufactured according to certification of ISO, GOST, etc.