Grooved Couplings
Rigid Coupling Rigid Coupling
Rigid Coupling for Sale. If you have interested in our products, please feel free to contact us.

Grooved couplings are designed with a precision groove that ensures a tight fit between pipes, facilitating a secure connection without the need for welding or threading. They typically feature a two-piece design with a rubber gasket to ensure a leak-proof seal.

Applications: Ideal for use in a variety of industries including  fire protection systems, water supply, and HVAC systems. They are suitable for both high-pressure and low-pressure applications.

Advantages: Grooved couplings offer ease of installation and maintenance, reducing labor costs and downtime. Their flexible design accommodates pipe movement and misalignment, enhancing system durability.

Product Dimensions: Available in a wide range of sizes to accommodate different pipe diameters. Typical sizes range from 1 inch to 12 inches, but custom sizes can be ordered.

Customization: Custom couplings can be made to fit unique pipe dimensions or specialized applications.Including brand logo, coating or galvanizing for corrosion resistance, and special dimensions to meet specific project requirements.

Grooved Pipe Fittings | CNG (Dikai) Piping Systems

Grooved Pipe Joints: Reliable Solutions for Your Piping Systems

CNG (Dikai) Piping Products, a leader in grooved pipe joints since 2002, offers versatile and durable solutions for a variety of applications. Our products, including Rigid Couplings, Flexible Couplings, and HDPE Couplings, are engineered for reliability, efficiency, and ease of installation. Ideal for commercial, industrial, and utility piping systems, our joints simplify complex installations and provide long-term durability.


Why Choose CNG (Dikai) Grooved Pipe Joints?

With over two decades of expertise, CNG (Dikai) provides industry-leading grooved joints tailored to meet the diverse needs of various industries. From heavy-duty flexible couplings to reducing flexible couplings, our solutions are designed to:

  • Enhance installation efficiency with easy-to-use designs.

  • Provide leak-proof connections with precision-engineered gaskets.

  • Ensure long-term durability in demanding environments.

Our grooved joints are trusted globally in industries such as petrochemical, water treatment, and industrial processing, delivering dependable performance in critical systems.


Components of Grooved Pipe Joints

A grooved pipe fitting system consists of key components designed for specific roles:

  • Rigid Couplings: Ensure a stable, non-flexible connection for fixed piping systems.

  • Flexible Couplings: Allow for slight movement, making them suitable for systems with thermal expansion or vibration.

  • HDPE Couplings: Provide reliable connections for high-density polyethylene pipes.

  • Gaskets: Offer leak-proof seals for high-pressure and temperature applications.

  • Bolts and Nuts: Secure the couplings and maintain system integrity.

These components work in harmony to provide robust and versatile solutions for complex piping systems.


Types of Grooved Pipe Joints 

CNG (Dikai) offers a wide range of grooved pipe fittings to meet diverse system requirements:

  • Heavy Duty Flexible Couplings: Ideal for high-pressure systems needing flexibility.

  • Reducing Flexible Couplings: Connect pipes of varying diameters seamlessly.

  • Angel Pad Rigid Couplings: Provide secure and stable connections for specific applications.

  • HDPE Couplings: Engineered for specialized plastic pipe systems.

Each type of fitting is precision-crafted to deliver optimal performance in various environments, including fire protection, industrial processes, and utility systems.


Leading Grooved Couplings Manufacturer: CNG (Dikai)

As one of the earliest developers of grooved couplings in China, CNG (Dikai) is renowned for its innovative designs and exceptional product quality. With a focus on meeting customer needs, we provide tailored solutions for fire-hydrant systems, water spray systems, and foam and gas systems. Our couplings are manufactured to the highest standards, ensuring reliability and efficiency in every application.


Applications of Grooved Pipe Joints

Our grooved pipe Joints are trusted in various fields, including:

  • Commercial Piping Systems: Efficient and durable solutions for HVAC and plumbing systems.

  • Industrial Processes: Reliable joints for chemical and metallurgical industries.

  • Utility Piping Systems: Simplified installations for large-scale operations.

  • Fire Protection Systems: Essential components for sprinkler and hydrant networks.

With proven performance across diverse applications, CNG (Dikai) remains a trusted partner for pipeline solutions worldwide. For more Competitive price information, contact us right now!

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