Product Parameters
Crafted in accordance with the latest API 6A standards, our product also meets NACE MR0175, ISO 9001, ISO14001, and ANSI requirements, ensuring the pinnacle of quality and safety.
We offer a full range of sizes and materials, including premium alloy steel, carbon steel, and stainless steel, ensuring compatibility with any project needs.
Every piece undergoes rigorous testing, including comprehensive Hardness tests, Magnetic Particle Testing (MT), Nondestructive Testing (NT), and hydrostatic pressure tests to ensure peak performance.
Application: Our adapters are ideal for Wellheads, Manifolds, Shipbuilding, Pipe Projects, and more, offering versatile connectivity solutions.
The Double Studded Adapter (DSA) features a through bore with a ring groove on each side, and bolt hole sets on each face. Equipped with tapped end studs and nuts, it differs from a spacer flange by having sides with varying sizes and/or pressure ratings, making it indispensable for connecting divergent 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
Dimensions: 80.00cm * 80.00cm * 80.00cm
Package Gross Weight
Weight: 100.000kg
Company Profile
Shandong Lanyuguang Chemical Co., Ltd
This renowned establishment, located in Dongying, Shandong, is a leading provider of a plethora of oilfield equipment. We specialize in API-certified oil drilling and service equipment, oil production apparatus, oil tubing, wellhead systems, and a full suite of downhole tools and accessories.
1. Our innovative efforts have led to the development of a wide range of mechanized tools for oil drilling and production wellheads, offering a complete spectrum of specifications.
2. Global Reach: Our extensive sales network covers major domestic oil fields and stretches across international frontiers, reaching Europe, the United States, the Middle East, Central Asia, Southeast Asia, and beyond.
3. Our Commitment to Customers: Shandong Lanyuguang Chemical Co., Ltd We have forged a robust service network that spans domestic oil fields and international markets, delivering a comprehensive pre-sale, sale, and after-sales service system. We take pride in providing bespoke products tailored to specific customer needs under unique conditions. Our products are extensively used domestically and exported to North America, Southeast Asia, the Middle East, Central Asia, and North Africa.
Certifications
Our Advantages
Our state-of-the-art factory is furnished with advanced production lines, covering vast capacities in gold processing, heat treatment, and pretreatment facilities. Our thorough testing system guarantees that every step—from casting and heat treatment to metalworking, final assembly, and inspection—is meticulously executed, ensuring unmatched product quality. We excel with our professional engineering support, an exceptionally efficient sales team, and competitive pricing that draws in 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 |