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PEX Pipe

PEX Pipe

PEX Pipe

Cross-linked Polyethylene (PEX) pipe is a type of flexible plastic pipe widely used in plumbing, heating, and cooling systems. It is made from high-density polyethylene (HDPE) that has been chemically treated to form a cross-linked molecular structure, giving it enhanced strength, flexibility, and resistance to temperature extremes. This cross-linking process increases the pipe's durability and makes it more resistant to both high and low temperatures, as well as chemical and oxidative degradation.

Advantages of PEX pipe

gouFlexibility: PEX pipes are highly flexible, making them easy to install around corners, through walls, and under floors. This flexibility reduces the need for fittings and connectors, which can be time-consuming and expensive to install.
gouCorrosion and Scale Resistance: Unlike metal pipes, PEX does not corrode or develop scale buildup, which helps maintain water flow and extends the lifespan of the plumbing system.
gouResistance to Freezing: PEX can expand slightly if water inside freezes, reducing the likelihood of pipes bursting during cold weather.
gouDurability: PEX is resistant to chemicals, UV rays, and physical damage. This makes it a durable option for a wide range of applications, both in residential and commercial settings.
gouEase of Installation: PEX is lightweight, easy to handle, and does not require special tools for installation. It can be connected using crimp, clamp, or push-fit fittings, making it convenient for both DIYers and professional plumbers.
gouCost-Effective: The cost of PEX pipes is generally lower than copper or PVC pipes, and because they require fewer fittings and less time to install, they can reduce overall project costs.

Types of PEX:

gouPEX-A (Fully Cross-Linked): This type is produced using the peroxide method and offers the highest flexibility and strength. It is the most commonly used type for plumbing and radiant heating systems.
gouPEX-B (Chlorine-Induced Cross-Linking): PEX-B has good resistance to chemicals and a slightly lower flexibility compared to PEX-A. It is commonly used in plumbing systems but not as commonly in radiant heating applications.
gouPEX-C (Electron Beam Cross-Linking): This type is less flexible than PEX-A but offers good resistance to cracking and chemicals.

Features in PEX Pipe Extrusion

the polyethylene pipes undergo a cross-linking process to form PEX. There are three common methods for cross-linking the polymer:
gouPEX-A (Peroxide Method): In this method, the extruded pipe is treated with a peroxide agent and then heated in a high-temperature water bath or oven to induce cross-linking. The peroxide causes the polyethylene chains to link together, improving the pipe’s strength, flexibility, and thermal resistance.
gouPEX-B (Silane Method): For this method, the extruded pipe is typically coated with a silane compound, which undergoes a cross-linking reaction when exposed to moisture (usually in a water bath). The silane bonds form cross-links in the polymer structure.
gouPEX-C (Electron Beam Method): In this method, the extruded pipe is exposed to high-energy electron beams, which cause the polyethylene molecules to cross-link. This method is generally less common than the peroxide and silane methods.

Extrusion Production Flow

JURRY pipeline production line is equipped with: