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Good Quality API 5CT 2 3/8" J55 EUE Tubing & Casing Couplings

Good Quality API 5CT 2 3/8" J55 EUE Tubing & Casing Couplings

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Product Details
Carbon Steel
Temperature Range:
Up To 400°F
Connection Type:
Threaded, Welded, Flanged
Pressure Rating:
Up To 10,000 Psi
Thread Buckle Type:
NDT And Etc As Per Api 5ct And 5b
Flange Standards:
Product Description

Product Description:

Oilfield Couplings

Oilfield Couplings are essential components used in the oil and gas industry for connecting pipes, fittings, and equipment. They are designed to withstand high pressures and harsh environments, making them crucial for the efficient and safe transfer of oil and gas.


Our Oilfield Couplings are manufactured in accordance with the strict standards set by API 5CT, ensuring the highest quality and reliability. This standard is the industry benchmark for oilfield equipment and guarantees that our couplings meet the rigorous demands of the oil and gas industry.

Welding Standards

In addition to API 5CT, our Oilfield Couplings also adhere to the welding standards of API, ASME, and ANSI. These standards ensure that the couplings are welded to perfection, providing a strong and leak-proof connection between pipes and fittings.

Surface Treatment

To further enhance the durability and longevity of our Oilfield Couplings, we offer various surface treatments, including Zinc Plating and Hot Dipped Galvanized. These coatings provide excellent corrosion resistance, making our couplings ideal for use in harsh and corrosive environments.


We understand the critical role that Oilfield Couplings play in the oil and gas industry, which is why we subject our products to rigorous inspections. Our couplings undergo Non-Destructive Testing (NDT) and other quality checks as per API 5CT and 5B standards. This ensures that our couplings meet the highest quality standards and are safe to use in demanding oilfield operations.

End Connections

Our Oilfield Couplings are available with various end connections, including NPT, BSP, API, and ANSI. These connections provide a secure and tight fit, ensuring a reliable transfer of oil and gas.

In summary, our Oilfield Couplings are manufactured to the highest standards, with strict quality control measures in place. They are designed to withstand the harsh conditions of the oil and gas industry and provide a reliable and efficient connection between pipes and fittings. Choose our Oilfield Couplings for your oilfield operations and experience the difference in quality and performance.



  1. Product Name: Oilfield Couplings
  2. Application: Oil And Gas Industry
  3. Surface Treatment:
    • Zinc Plating
    • Hot Dipped Galvanized
  4. Temperature Range: Up To 400°F
  5. End Connections:
    • NPT
    • BSP
    • API
    • ANSI
  6. Connection Type:
    • Threaded
    • Welded
    • Flanged

Technical Parameters:

Technical Parameters Oilfield Coupling
Application Oil And Gas Industry
Features High Pressure, Corrosion Resistance, Easy Installation
Manufacturing Type Seamless
End Connections NPT, BSP, API, ANSI
Temperature Range Up To 400°F
Surface Treatment Zinc Plating, Hot Dipped Galvanized
Thread Type API, NPT, BSP
Flange Standards API, ASME, ANSI
Material Carbon Steel
Inspection NDT And Etc As Per Api 5ct And 5b


Oilfield Couplings - The Perfect Solution for Your Oil and Gas Needs

Oilfield Couplings, also known as SWS Couplings, are high-quality products designed and manufactured in China for the oil and gas industry. These couplings are essential for connecting various components in oil and gas equipment, ensuring a safe and efficient flow of fluids in the production process. With their superior welding and flange standards, as well as their strict inspection procedures, SWS Oilfield Couplings are the top choice for any oil and gas operation.

Application in the Oil and Gas Industry

The oil and gas industry is a complex and demanding sector, requiring reliable and durable equipment to withstand harsh environments and rigorous operations. This is where SWS Oilfield Couplings excel. These couplings are widely used in various applications such as drilling, production, and transportation of oil and gas. They are suitable for both onshore and offshore operations and are compatible with a wide range of oilfield equipment.

Compliance with Welding Standards

SWS Oilfield Couplings are manufactured in accordance with the highest welding standards, including API, ASME, and ANSI. This ensures the couplings can withstand high pressure and extreme temperatures, making them ideal for use in demanding oil and gas environments. The welds are also non-destructively tested (NDT) to guarantee their strength and durability, providing peace of mind to operators.

Flange Standards for Secure Connections

SWS Oilfield Couplings also meet the rigorous flange standards set by API, ASME, and ANSI. These standards ensure a secure and leak-free connection between different oilfield components, reducing the risk of accidents and increasing efficiency. With SWS Oilfield Couplings, you can have confidence in the safety and reliability of your equipment.

Inspection for Quality Assurance

Quality is a top priority for SWS, and their Oilfield Couplings undergo thorough inspection procedures to ensure they meet the standards set by API 5CT and 5B. This includes NDT testing, dimensional checks, and material analysis, among others. As a result, you can trust that every SWS Oilfield Coupling you use is of the highest quality and will perform flawlessly in your operations.

End Connections for Versatility

SWS Oilfield Couplings come with a variety of end connections, including NPT, BSP, API, and ANSI. This versatility allows for easy installation and connection to different types of oilfield equipment, providing flexibility and convenience in your operations.

In conclusion, SWS Oilfield Couplings are the perfect solution for any oil and gas operation. With their reliable performance, compliance with industry standards, and strict quality control, these couplings are an essential component for ensuring the smooth and efficient production of oil and gas. Trust SWS Oilfield Couplings for all your oil and gas needs - because when it comes to oilfield equipment, quality and safety should never be compromised.



Oilfield Coupling Customization Service

Thank you for choosing SWS as your trusted brand for oilfield couplings. Our company, located in China, offers a wide range of customized oilfield couplings to meet your specific needs. Our couplings have a pressure rating of up to 10,000 psi, making them suitable for various applications in the oil and gas industry.

At SWS, we understand the importance of high-quality and durable couplings in the oilfield industry. That's why we provide surface treatments such as zinc plating and hot dipped galvanized to ensure the longevity of our products. Our couplings are also available in different thread types including API, NPT, and BSP to fit your equipment seamlessly.

We are proud to say that our oilfield couplings meet the API 5CT standards, ensuring the highest level of quality and reliability. Our team of experts is dedicated to providing excellent service and working closely with our clients to fulfill their specific requirements. With our advanced technology and experienced staff, we guarantee the best results for your oilfield coupling customization needs.

Our commitment to customer satisfaction and superior products has made us a preferred choice for oilfield couplings. Trust SWS for all your oilfield coupling needs and experience the difference in quality and service. Contact us today to learn more about our customization services and how we can assist you in the oil and gas industry.


Packing and Shipping:


Packaging and Shipping for Oilfield Couplings

Our Oilfield Couplings are carefully packaged to ensure safe and secure delivery to our customers. We understand the importance of protecting our products during shipping and have implemented the following packaging procedures:

  • Each coupling is individually wrapped in protective material to prevent scratches and damage during transit.
  • Multiple couplings are then placed in a sturdy cardboard box with ample cushioning to prevent movement and absorb any impact during shipping.
  • The box is sealed with high-quality tape to ensure it stays securely closed.
  • For larger orders, the couplings are placed on a pallet and shrink-wrapped for added stability during transportation.

We offer various shipping options to meet our customers' needs. Our standard shipping method is through reputable carriers such as FedEx, UPS, and DHL. We also offer expedited shipping for urgent orders.

Our team carefully monitors the shipping process to ensure timely delivery and will provide tracking information for all orders. In the unlikely event of any damage during shipping, please contact us immediately and we will work with the carrier to resolve the issue.

Thank you for choosing our Oilfield Couplings. We are committed to providing high-quality products and excellent customer service, from packaging to delivery.




  • Q: What is Oilfield Couplings?
  • A: Oilfield Couplings are specialized fittings used to connect and join pipes in the oil and gas industry.
  • Q: What is the brand name of Oilfield Couplings?
  • A: The brand name of Oilfield Couplings is SWS.
  • Q: Where are Oilfield Couplings produced?
  • A: Oilfield Couplings are produced in China.
  • Q: What materials are Oilfield Couplings made of?
  • A: Oilfield Couplings are usually made of steel, with some variations made of brass or other metals.
  • Q: What types of connections do Oilfield Couplings have?
  • A: Oilfield Couplings typically have threaded, flanged, or welded connections.
  • Q: What is the function of Oilfield Couplings?
  • A: The main function of Oilfield Couplings is to connect and join pipes in the oil and gas industry, providing a secure and leak-proof connection.


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