Product Parameters
Expertly crafted following the latest edition of API 6A, our product also adheres to the rigorous standards of NACE MR0175, ISO 9001, ISO14001, and ANSI. This ensures unmatched reliability and quality.
Our offerings include a comprehensive range of sizes and materials, such as alloy steel, carbon steel, and stainless steel, to meet diverse application needs.
Each piece undergoes a stringent 100% test that includes Hardness testing, Magnetic Particle Testing (MT), Non-destructive Testing (NT), and Hydrostatic testing, ensuring peak performance and reliability.
Application Excellence: Ideal for Wellhead systems, Manifold configurations, Shipbuilding projects, and various Pipe Projects, providing versatile applicability across industries.
The Double Studded Adapter (DSA) is meticulously designed with a flange having a through bore and ring groove on each side. It features bolt hole sets on each face, equipped with tapped end studs and nuts. Unlike a spacer flange, its two sides may differ in size and/or pressure rating, making it an essential connector for varying nominal sizes, pressure ratings, and configurations.
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 |
Detailed Photos

Packaging & Shipping
Package Size
80.00cm * 80.00cm * 80.00cm
Package Gross Weight
100.000kg
Company Profile
Shandong Lanyuguang Chemical Co., Ltd
Based in Dongying, Shandong, Shandong Lanyuguang Chemical Co., Ltd is a premier provider of an extensive range of high-quality oilfield equipment, including API-certified oil drilling and service tools, production apparatus, tubing, wellheads, and a full suite of downhole tools and accessories.
1. We have pioneered the development of an extensive selection of mechanized tools for oil drilling and production wellheads, encompassing a complete spectrum of specifications to meet all industry demands.
2. Our export network is vast, reaching major domestic oil fields and extending internationally to Europe, the United States, the Middle East, Central Asia, Southeast Asia, and beyond, ensuring global availability of our superior products.
3. The role we bring to our customers: Shandong Lanyuguang Chemical Co., Ltd Our robust service network spans domestic and overseas markets, offering comprehensive pre-sale, sale, and after-sales services. We excel in customizing products to meet specific customer needs under exceptional conditions. Our products are prominently distributed across North America, Southeast Asia, the Middle East, Central Asia, and North Africa.
Certifications
Our Advantages
Our factory boasts state-of-the-art production lines, including advanced gold processing, heat treatment, and pretreatment facilities. Our rigorous testing system meticulously oversees every stage—from casting and heat treatment to metalworking, final assembly, and inspection—ensuring superior and consistent product quality. We are proud of our professional engineering support, highly efficient sales team, and competitive pricing that attract and satisfy customers worldwide.
FAQ
Q1: What's your Product Range? |
various kinds of oilfield equipment, including oil drilling equipment and accessories, drilling tools, petroleum drill pipe and pipe, instruments and meters and accessories, O C T G, wellhead and downhole tools and spare parts, electrical and mechanical equipment. |
Q2: Do you inspect the finished products? |
Yes. Each step of production and finished products will be carried out inspection by QC department before shipping. |
Q3:How do you ship the finished products? |
By sea |
By air |
Q4:What is your average lead time? |
Peak Season Lead Time: 1-3 months |
Off Season Lead Time: within 15 workdays |
Q5:How long is your warranty? |
1 year |