PEX Pipe
Why Choose Us
Extensive range of options
We offer a wide range of pipes to cater to the specific needs of our customers. Whether you are looking for PVC pipes, PPR pipes, or PE pipes, we have got you covered. Our diverse product range ensures that you can find the perfect solution for your plumbing needs.
Cutting-edge technology
We constantly invest in the latest technology and machinery to ensure that our manufacturing process is efficient and precise. By staying up-to-date with advancements in the industry, we can deliver pipes that meet the highest standards of quality and performance.
Reliable customer service
Our team of dedicated professionals is committed to providing excellent customer service. We are always ready to assist you with any inquiries, provide product information, and offer guidance throughout the purchasing process. Your satisfaction is our top priority.
Timely delivery
We understand the importance of meeting deadlines and ensuring timely delivery of our products. With our efficient logistics network, we can deliver your order promptly, no matter the size or location.
What is PEX Pipe?
PEX pipe, short for cross-linked polyethylene pipe, is a type of plumbing pipe that has become increasingly popular in residential and commercial buildings due to its flexibility, durability, and ease of installation.
PEX pipe is made by cross-linking high-density polyethylene (HDPE) plastic to create a more rigid and heat-resistant material.
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![PEX-A Pipe]()
PEX-A PipeSpecification:DN16-32mmread more
Working temperature:-20℃≤T≤95℃
Length:100m/roll
OEM & ODM:Welcome -
![PEX-B Pipe]()
PEX-B PipeSpecification:DN16-32mmread more
Working temperature:-20℃≤T≤95℃
Length:100m/roll
OEM & ODM:Welcome
Advantages of PEX Pipe
Flexibility: PEX pipe is very flexible and can easily bend around corners and obstacles, reducing the need for extra fittings.
Easy Installation: PEX pipe can be installed quickly and easily without the need for specialized tools or skills.
Resistant to Freezing and Bursting: PEX pipe is designed to expand and contract with changes in temperature, making it less likely to burst when frozen.
Cost Effective: PEX pipe is generally less expensive than other types of piping materials like copper or PVC.
Durability: PEX pipe is resistant to corrosion, abrasion, and scaling, making it suitable for long-term use.
Versatility: PEX pipe can be used for a variety of applications, including hot and cold water distribution, radiant floor heating, and fire sprinkler systems.
Space Efficient: Because PEX pipe is so flexible, it takes up less space than traditional pipes, making it ideal for tight spaces and retrofits.
Environmentally Friendly: PEX pipe is made from recyclable materials and does not contain harmful substances like lead or cadmium.
Low Maintenance: PEX pipe requires little maintenance and is easy to repair if necessary.
Aesthetically Pleasing: PEX pipe is available in a range of colors, allowing it to blend in with the décor of your home or business.
Types of PEX Pipe
PEX-A: Also known as "crosslinked polyethylene type A," this type of PEX pipe is considered the highest quality due to its unique manufacturing process. PEX-A pipes have an "S" wall structure that provides additional flexibility and resistance to kinks and crimp failures. They are ideal for radiant heating applications and can withstand higher pressures and temperatures.
PEX-B: Known as "crosslinked polyethylene type B," this type is slightly less flexible than PEX-A but still maintains good performance characteristics. PEX-B pipes are produced using an irradiation process that creates smaller crosslinks within the polymer chain. This makes PEX-B pipes more resistant to chlorine and chemicals, making it suitable for potable water applications.
PEX-C: Also known as "crosslinked polyethylene type C," this type of PEX pipe is manufactured through a process of extrusion and electron beam radiation. PEX-C pipes have a tighter and more uniform crosslinking structure compared to PEX-B. They offer good flexibility and kink resistance, making them suitable for a wide range of applications, including hot and cold water distribution.
PEX-AL-PEX: This type combines the flexibility and durability of PEX with the superior thermal conductivity of aluminum. The aluminum layer is sandwiched between two layers of PEX material, creating a composite pipe that is ideal for high-temperature applications like radiant heating. PEX-AL-PEX pipes are more expensive than traditional PEX pipes but offer enhanced performance characteristics.
PEX-RT: This type of PEX pipe is specifically designed for use in radiant heating systems. It stands for "radiant tubing" and is engineered to withstand the higher temperatures and pressure fluctuations associated with radiant heating applications. PEX-RT pipes are often available in longer lengths and smaller diameters to facilitate installation in floors, walls, and ceilings.
Manifolded PEX Systems: These are advanced PEX pipe systems that utilize a central manifold to distribute water to multiple outlets. The pipes are typically color-coded to simplify installation and identify the source and return lines. Manifolded PEX systems are commonly used in hydronic heating and cooling applications and can offer energy savings and efficiency benefits.
Application of PEX Pipe
Application of PEX PipePEX pipe, short for cross-linked polyethylene pipe, is a flexible plastic tubing commonly used in residential and commercial plumbing systems. It has gained popularity due to its many practical applications and benefits. Here are some of the key areas where PEX pipe is commonly used:
Potable Water Systems
One of the primary applications of PEX pipe is in potable water systems. Its flexibility allows for easy installation around corners and obstacles, reducing the need for fittings and joints. PEX pipe is resistant to scale buildup and corrosion, ensuring clean and safe drinking water for households.
Snow and Ice Melting Systems
PEX pipe is employed in snow and ice melting systems for driveways, walkways, and rooftops. The pipe is installed beneath the surface and circulated with heated fluid, preventing the build-up of snow and ice. This application improves safety and eliminates the need for manual shoveling or salting.
Plumbing Retrofits
PEX pipe is an excellent choice for plumbing retrofits and repairs. Its flexibility allows it to navigate existing obstacles, reducing the need for extensive wall demolition and re-piping. PEX pipe can be easily connected to existing copper or PVC pipes, making it a convenient option for upgrading old plumbing systems.
Subfloor Plumbing
PEX pipe is commonly used for subfloor plumbing installations. Its flexibility allows for easy routing between joists and under subfloors, reducing the need for costly and extensive renovations. PEX pipe's resistance to freezing makes it suitable for use in basements and crawlspaces, providing efficient water supply and drainage.
Radiant Heating Systems
PEX pipe is often used in radiant floor heating systems. Its flexibility allows for easy installation under floors, eliminating the need for bulky and rigid metal pipes. PEX pipe efficiently distributes warm water, providing comfortable and energy-efficient heating throughout the space.
Hydronic Systems
PEX pipe is widely used in hydronic heating and cooling systems. Its flexibility and resistance to temperature extremes make it suitable for efficient heat transfer and cooling. Whether it's for homes, offices, or industrial facilities, PEX pipe provides reliable and cost-effective climate control.
Fire Sprinkler Systems
PEX pipe is approved for use in fire sprinkler systems. It is durable, resistant to high temperatures, and unaffected by corrosion, making it a reliable choice for protecting buildings from fire damage. The flexibility of PEX pipe simplifies installation, making it a preferred option for retrofitting fire sprinkler systems.
Agricultural Applications
PEX pipe finds application in various agricultural settings. It is used for water supply systems, irrigation systems, and livestock watering systems. PEX pipe's durability and resistance to chemicals make it suitable for demanding agricultural environments.
Process of PEX Pipe
Raw Material Extrusion: The process begins by extruding the raw material, which is typically high-density polyethylene (HDPE), into a thin plastic tube. This initial tubing is known as the "base pipe."
Crosslinking: The next step is to crosslink the HDPE molecules within the base pipe to create a three-dimensional network structure. This is done using one of three main methods:
● Peroxide Method: Involves adding peroxides to the HDPE during extrusion. The peroxides initiate a free radical reaction that causes the HDPE molecules to crosslink. The pipe is then heated in an autoclave to complete the crosslinking process.
● Silane Method: This method involves coating the base pipe with a silane compound that contains reactive groups. The coated pipe is then heated in an oven to initiate crosslinking.
● Electron Beam Irradiation: This method uses high-energy electrons to create free radicals that induce crosslinking within the HDPE. The pipe is exposed to an electron beam while passing through a radiation tunnel.
Cooling and Sizing: Once crosslinked, the PEX pipe is cooled and sized to the desired dimensions. This is usually achieved through a combination of air cooling and water cooling. The pipe is then cut to length and bundled for storage or transportation.
Final Inspection: Before being sold, each batch of PEX pipe undergoes rigorous testing to ensure it meets the required specifications for pressure, temperature, and other performance characteristics. This may include hydrostatic testing, visual inspections, and mechanical property tests.
End Uses: Depending on the specific type of PEX pipe, it may be further processed or customized for specific applications. For example, PEX pipes used for radiant heating may be insulated or bundled together, while those used for potable water may undergo additional safety tests.
Water Flow: PEX pipe works by allowing the flow of water through the pipe from one point to another. The water enters the pipe at one end and exits at the other end. The pipe acts as a conduit for the water to travel through.
Pressure Distribution: As the water flows through the pipe, it experiences changes in pressure due to friction and elevation differences. PEX pipe has the ability to distribute the water evenly throughout the system, ensuring that all connected appliances or fixtures receive adequate water pressure.
Temperature Resistance: One of the key features of PEX pipe is its ability to withstand high temperatures. The crosslinked structure of the polyethylene material allows the pipe to resist thermal expansion and contraction, preventing kinking and maintaining its shape and structural integrity under varying temperature conditions.
Chemical Resistance: PEX pipe is designed to be resistant to a wide range of chemicals commonly found in water supply systems. This includes chlorine, minerals, and other impurities that could potentially degrade the pipe material over time. The crosslinking process enhances the chemical resistance of the pipe, allowing it to safely transport water without leaching harmful substances.
Heat Transfer in Radiant Heating: When used for radiant heating applications, PEX pipe serves as a medium for transferring heat from a hot water source to the surfaces it is installed beneath. The conductive properties of the aluminum layer in PEX-AL-PEX pipe enhance the efficiency of heat transfer, ensuring that warmth is evenly distributed throughout the area.
Freeze Protection: PEX pipe is designed to expand and contract with changes in temperature, allowing it to withstand the effects of freezing. If the water in the pipe freezes, the pipe will slightly expand, reducing the pressure buildup that could potentially cause bursting. This feature makes PEX pipe less likely to burst when frozen compared to other types of pipes.
Easy Installation: The flexibility of PEX pipe allows for quick and easy installation. It can bend around corners and obstacles, reducing the need for extra fittings. It also accommodates various installation techniques such as push-fit connections, crimp rings, and heat fusion, making it suitable for both DIY and professional installations.
Maintenance Tips for PEX Pipe
Regularly inspect the PEX pipe for any visible signs of damage or leaks. Look for cracks, bulges, or discoloration, as these may indicate weaknesses in the pipe that could result in leaks.
Keep the area around the PEX pipe clear of any debris or obstructions. This will ensure easy access for maintenance and prevent any damage to the pipe.
Avoid placing heavy objects on or near the PEX pipe. Excessive pressure can cause the pipe to bend or crack, leading to leaks.
If you live in an area with freezing temperatures, make sure to properly insulate any exposed PEX pipes. This will help prevent them from freezing and bursting during cold weather.
Avoid using harsh chemicals or corrosive substances near the PEX pipe, as they can cause damage to the pipe's surface or fittings. Opt for more gentle cleaning products when possible.
If you notice any leaks or signs of damage, it is important to fix them as soon as possible. Small leaks can quickly escalate into major issues, causing water damage or mold growth.
Regularly check the connections and fittings of the PEX pipe. Tighten any loose fittings and replace any damaged or worn-out components to ensure a secure and leak-free system.
Consider installing a water pressure regulator if your water pressure is too high. Excessive water pressure can put stress on the PEX pipe and increase the risk of leaks or bursts.
If you are going on an extended vacation or leaving your property unattended for a while, consider shutting off the water supply to prevent any potential leaks or water damage.
Finally, consider scheduling professional inspections and maintenance for your PEX pipe system. A trained plumber can identify any potential issues and provide necessary repairs or replacements to keep your system in optimal condition.
Our Factory
We deliver at mass volumes thanks to the efficiency of more than 100 employees working on 12 pipe production lines (4 lines for PPR pipe, 3 lines for Overlapped Ultrasonice welding PEX-AL-PEX pipe, 3 lines for butt-welded PEX-AL-PEX pipe and 2 lines for single-layer PEX/PERT pipe) and 100+ injection machines, forging machines and CNC machines for plastic and brass fitting. Production capacity reaches 100 containers of pipes per year and 100 tons of fittings per month.
FAQ
As one of the leading pex pipe manufacturers and suppliers in China, we warmly welcome you to wholesale cheap pex pipe made in China here from our factory. All our products are with high quality and low price. Contact us for pricelist.
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