Copper Compression Fittings
Copper compression fittings are a reliable and popular choice for joining copper pipes in plumbing systems. They feature a ring that compresses onto the pipe when tightened, creating a secure and leak-free seal. These fittings are easy to install, making them suitable for both professionals and DIYers. They offer excellent corrosion resistance and are widely used in residential and commercial applications.
Copper Compression Fittings Wholesale
We are a leading supplier of premium copper compression fittings. Our extensive inventory includes a wide range of sizes and types to meet all your plumbing needs. We offer competitive wholesale pricing and bulk discounts for contractors, plumbers, and other industry professionals. Experience fast and reliable shipping, excellent customer service, and the assurance of top-tier products.

Copper Compression Fittings
- Easy Installation: These compressed copper fittings are renowned for their simple and quick installation process, even for DIYers. This translates to significant time and labor savings, especially for larger projects.
- Reliable Performance: Copper pipe compression fittingscreate a secure and leak-proof seal, ensuring the integrity of your plumbing system. This reliability minimizes the risk of leaks and potential water damage.
- Durability & Longevity: Made from high-quality copper, these copper tubing fittings are highly durable and resistant to corrosion. This ensures long-lasting performance and minimizes the need for costly replacements.
- Versatility: Copper compression fittings are suitable for a wide range of applications, including residential, commercial, and industrial plumbing systems. They can be used for various pipe sizes and are compatible with different types of copper tubing.
ORB Hydraulic Fitting Sizes
ORB Hydraulic Fittings are available in a wide range of sizes to accommodate various hose and pipe diameters. ORB hydraulic fitting dimensions vary depending on the specific hydraulic fitting type and size. We customize solutions to meet your specific requirements, ensuring the optimal fit for your application. For detailed information on ORB hydraulic fitting dimensions, please refer to our product catalogs or consult with our engineering team.

DF Hydraulics: Your Leading Copper Compression Fittings Manufacturer
DF Hydraulics is a renowned name in the hydraulic fitting industry, specializing in the design and manufacture of high-quality copper compression fittings. With a commitment to precision engineering and rigorous quality control, we provide a comprehensive range of fittings that meet the most demanding industry standards. Our expertise extends across a wide spectrum of applications, ensuring optimal performance and reliability in diverse hydraulic systems.
As a leading hydraulic fitting manufacturer, DF Hydraulics prioritizes customer satisfaction. We strive to deliver innovative solutions that enhance efficiency and reduce downtime. Our team of experienced engineers works closely with clients to understand their unique requirements and provide customized solutions that perfectly align with their specific needs.

copper to copper compression fittings
We offer a wide selection of copper to copper compression fittings for reliable and efficient plumbing connections. Our fittings are designed for easy installation and provide a secure and leak-free seal. Choose from a variety of sizes and configurations to meet your specific project requirements. We prioritize quality and customer satisfaction, ensuring you receive durable and dependable fittings for all your plumbing needs.

pex to copper compression fitting
We offer a premium selection of PEX to Copper Compression Fittings, designed for seamless transitions in your plumbing system. Our fittings ensure a secure and leak-free connection between PEX tubing and copper pipes. Experience easy installation, exceptional durability, and reliable performance with our high-quality PEX to Copper Compression Fittings.

copper plumbing compression fittings
We offer copper plumbing compression fittings. Designed for ease of installation, our fittings provide secure and reliable connections for your plumbing projects. Choose from a variety of sizes and types, including elbows, tees, and couplings, to meet your specific needs. Experience superior durability and corrosion resistance with our expertly crafted copper fittings.

copper compression t fitting
We offer a wide selection of copper compression T fittings. Our range includes various sizes and configurations to suit diverse plumbing needs. These fittings are designed for easy installation and provide a secure, leak-free connection between copper pipes. We prioritize quality materials and rigorous manufacturing processes to ensure long-lasting performance and reliability.

90 degree copper compression fitting
We offer 90-degree copper compression fittings for reliable and efficient plumbing connections. These fittings provide a secure and leak-free seal, making them ideal for various plumbing applications. Our 90-degree fittings are easy to install, saving you time and effort. Choose from a wide range of sizes to suit your specific project needs.

copper elbow compression fitting
We offer 90-degree copper compression fittings for reliable and efficient plumbing connections. These fittings provide a secure and leak-free seal, making them ideal for various plumbing applications. Our 90-degree fittings are easy to install, saving you time and effort. Choose from a wide range of sizes to suit your specific project needs.

copper water line compression fittings
We offer ice maker water line compression fittings. Our fittings are designed for reliable and leak-free connections, ensuring consistent water flow to your ice maker. Choose from a variety of sizes and styles to perfectly suit your needs. We prioritize durable materials and precise manufacturing to deliver long-lasting performance and peace of mind.

1/2 copper compression fitting
We provide 1/2″ copper compression fittings designed for secure and reliable connections in plumbing systems. Our fittings are manufactured with precision and are made from durable materials to ensure long-lasting performance. We offer a variety of 1/2″ fittings, including elbows, tees, and couplings, to meet your specific project needs.

1/4 copper compression fittings
We provide 1/4″ copper compression fittings for reliable and secure plumbing connections. Our fittings are expertly crafted from durable materials, ensuring long-lasting performance and resistance to corrosion. Easy to install, they offer a quick and efficient solution for various plumbing applications, including water lines, refrigeration systems, and more.

3/4 copper compression fittings
We provide 3/4″ compression fittings copper for reliable and secure plumbing connections. Our fittings are manufactured with precision and crafted from durable materials to ensure long-lasting performance. They are easy to install, making them ideal for both professionals and DIYers. Choose from a variety of styles and finishes to suit your specific project requirements.

3/8 copper compression fittings
We provide 3/8 copper compression fittings for reliable and leak-free connections in your plumbing system. Our fittings are easy to install and compatible with standard 3/8″ copper tubing. Manufactured with precision and using durable materials, they ensure long-lasting performance and minimize the risk of leaks.

5/8 copper compression fittings
We provide 5/8″ copper compression fittings for reliable and secure plumbing connections. Our fittings are manufactured with precision and crafted from durable materials to ensure long-lasting performance. They are easy to install, making them ideal for both professional plumbers and DIY enthusiasts. Experience the peace of mind that comes with leak-free connections and a well-maintained plumbing system.

5/16 copper compression fittings
We supply 5/16″ copper compression fittings for reliable and leak-free connections in your plumbing system. Our fittings are designed to ensure a secure seal with minimal effort. Crafted from durable copper alloys, they offer excellent corrosion resistance and long-lasting performance. Choose from a variety of styles to suit your specific needs, including elbows, tees, and couplings.
Copper Compression Fittings FAQs
What Are copper compression fittings?
Copper compression fittings are a type of plumbing fitting used to connect copper pipes without the need for soldering. They consist of three main parts: the fitting body, a compression ring (or olive), and a compression nut.
The compression ring is placed over the end of the copper pipe, and the fitting body is then slid over the pipe and ring. The compression nut is then screwed onto the fitting body, tightening the ring against the pipe and creating a watertight seal. This method of joining pipes is quick, easy, and doesn’t require any special tools or skills.
how do copper compression fittings work?
Copper compression fittings are a common type of plumbing fitting that allows for the connection of copper pipes without the need for soldering. They utilize a simple yet effective mechanism to create a secure and leak-proof seal.
The core components of a compression fitting include the fitting body, a compression ring (also known as an olive), and a compression nut. When assembling the fitting, the olive is placed over the end of the copper pipe, followed by the fitting body. The compression nut is then threaded onto the fitting body. As the nut is tightened, it compresses the olive against the pipe, creating a tight seal that prevents leaks.
This mechanism relies on the deformation of the olive to create a secure connection. The olive, typically made of brass or another malleable metal, is squeezed between the nut and the fitting body. This compression causes the olive to deform slightly, conforming to the shape of the pipe and creating a watertight seal.
can copper compression fittings be used with propane?
No, copper compression fittings are not typically approved for use with propane gas lines.
Propane gas lines require fittings specifically designed for gas applications, such as flared fittings or soldered joints. Compression fittings may not provide the necessary level of safety and reliability for gas lines, which are subject to pressure fluctuations and potential leaks.
It’s crucial to consult with a qualified plumber or gas fitter to ensure that your propane gas lines are installed and maintained according to local codes and safety regulations.
how to install a compression fitting on a copper pipe?
Here is the guide to install compression fittings for a copper pipe.
1. Prepare the Pipe:
- Cut the Pipe: Use a pipe cutter to create a clean, square cut. Avoid using a hacksaw, as it can create burrs.
- Deburr the Pipe: Remove any sharp edges or burrs from the cut end of the pipe using a deburring tool or fine-grit sandpaper.
2. Assemble the Fitting:
- Slide on the Nut and Olive: Slide the compression nut onto the pipe, followed by the olive (also known as a ferrule).
- Insert the Pipe: Insert the prepared pipe into the fitting body until it stops.
3. Tighten the Fitting:
- Hand-Tighten: Tighten the compression nut by hand until it feels snug.
- Final Tightening: Using two wrenches (one to hold the fitting body steady and the other to turn the nut), tighten the nut further.
- Important: Avoid overtightening, as this can damage the olive and cause leaks. A slight turn past hand-tight is usually sufficient.
4. Test for Leaks:
- Turn on the Water: Slowly turn on the water supply and check for any leaks around the fitting.
- Tighten as Needed: If you notice a slight leak, carefully tighten the nut a little more.
Note: Always consult the manufacturer‘s instructions for specific guidelines and torque recommendations.
By following these steps, you can successfully install a compression fitting on a copper pipe. Remember to work carefully and avoid overtightening to ensure a secure and leak-free connection.
how to remove a compression fitting from a copper pipe?
To remove a compression fitting from a copper pipe, you’ll need to loosen and remove the compression nut, then carefully slide off the compression ring.
Loosen the Nut:
- Use two wrenches: Hold the fitting body steady with one wrench while turning the compression nut counterclockwise with the other.
- Apply steady pressure, but avoid excessive force to prevent damaging the pipe or fitting.
- If the nut is very tight, you may need to use penetrating oil to help loosen it.
Remove the Nut and Ring:
- Once the nut is loosened, continue turning it by hand to remove it completely.
- Carefully slide the nut and compression ring off the pipe.
Remove the Pipe:
With the nut and ring removed, gently pull the pipe out of the fitting body.
Note: If you encounter any resistance or difficulty, it’s best to consult with a qualified plumber to avoid damaging the pipe or causing a leak.
can you use compression fittings on copper gas lines?
No, compression fittings are generally not suitable for use with gas lines, including those made of copper.
Gas lines require fittings specifically designed to withstand the pressures and potential for leaks associated with combustible gases. Compression fittings may not provide the necessary level of safety and reliability for gas applications.
It’s crucial to consult with a qualified plumber or gas fitter to ensure that your gas lines are installed and maintained according to local codes and safety regulations. They will advise on the appropriate type of fittings to use for your specific gas line installation.
how long do copper pipe compression fittings last?
With proper installation and maintenance, copper pipe compression fittings can last for many years. Factors like water quality, water pressure, and the frequency of use can influence their lifespan.
Regular inspections for leaks are crucial. If you notice any leaks, address them promptly to prevent further damage and potential issues. Overtightening the compression nut can damage the fitting and shorten its lifespan, so it’s important to tighten them to the manufacturer‘s specifications.
By following proper installation techniques, conducting regular maintenance, and addressing any issues promptly, you can ensure a leak-free and long-lasting connection with copper compression fittings.
how tight should a copper compression fitting be?
Copper compression fittings should be tightened securely to ensure a leak-free seal, but overtightening can damage the fitting and the pipe.
Hand-tighten: First, tighten the compression nut by hand until it feels snug.
- Wrench Tightening: Then, use two wrenches (one to hold the fitting body steady and the other to turn the nut) to tighten it further. A common recommendation is to tighten the nut an additional 1/4 to 1/2 turn past hand-tight.
Important Note:
- Manufacturer‘s Instructions: Always refer to the manufacturer‘s specific instructions for the best tightening torque.
- Avoid Overtightening: Overtightening can crush the olive (the compression ring), deform the pipe, and make it difficult to disassemble the fitting in the future.
By following these guidelines and using caution, you can ensure a secure and long-lasting connection with your copper compression fittings.
how to clean copper pipe for compression fitting?
Cleaning the copper pipe before installing a compression fitting is crucial for a secure and leak-free connection. Here’s how to do it:
Remove any burrs or sharp edges: After cutting the pipe, use a pipe cutter or deburring tool to remove any sharp edges or burrs from the cut end. These can interfere with the compression ring and prevent a proper seal.
Clean the pipe surface:
- Remove any dirt, grease, or paint: Use fine-grit sandpaper or a dedicated pipe cleaning brush to remove any dirt, grease, paint, or other debris from the surface of the pipe.
- Ensure a clean, bare metal surface: The compression ring needs to make good contact with the clean copper surface for a proper seal.
By following these steps, you ensure a clean and prepared pipe surface, which is essential for a successful compression fitting installation and a long-lasting, leak-free connection.