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LYGY
The HDPE Male Coupler is a specialized piping fitting designed to bridge the gap between HDPE pipes and metal components such as valves, fittings, or equipment. It features a male brass thread on one end and an HDPE socket on the other, creating a secure transition between different piping materials. This unique design makes it an indispensable component for systems requiring compatibility between plastic and metal elements.
In modern piping networks, the need to connect HDPE pipes (known for their durability and flexibility) with metal components (valued for their strength and precision) is common. The HDPE Male Coupler solves the challenge of creating a leak-proof, durable bond between these two materials, ensuring that fluid flow remains uninterrupted while maintaining system pressure and safety. It acts as a reliable intermediary, eliminating compatibility issues and simplifying installation.
Specification(mm) | φD | L | φd | Packing quantity |
32 | 40 | 85 | 4.8 | |
40 | 50 | 90 | 4.8 | |
50 | 63 | 100 | 4.8 | |
63 | 80 | 125 | 4.8 | |
75 | 95 | 145 | 4.8 | |
90 | 115 | 155 | 4.8 | |
110 | 140 | 190 | 4.8 |

Constructed from premium HDPE (High-Density Polyethylene), the coupler offers exceptional durability, flexibility, and resistance to wear and tear. HDPE is known for its long service life and ability to withstand harsh environmental conditions, making the HDPE Male Coupler suitable for both indoor and outdoor applications.
Equipped with brass threads, the coupler ensures a secure, long-lasting connection to metal components. Brass is corrosion-resistant, wear-resistant, and provides excellent sealing performance, preventing leaks even under long-term use. The threads are precision-cut to match standard metal fittings, ensuring a snug fit without slippage.
The HDPE Male Coupler is engineered for leak-proof performance. The HDPE socket forms a tight bond with HDPE pipes through hot-melt welding, while the brass threads create a secure seal with metal components. This dual-sealing design eliminates fluid loss, making it ideal for water supply, irrigation, and industrial fluid transport systems.
Designed to withstand high system pressures, the HDPE Male Coupler maintains structural integrity even in demanding applications. Its robust construction ensures that it does not crack or deform under pressure, providing reliable performance in municipal water supply, industrial pipelines, and agricultural irrigation systems.
The coupler’s user-friendly design simplifies installation. It requires only basic tools (such as a hot-melt welding machine for the HDPE end) and no specialized training. The brass threads can be tightened by hand or with a wrench, and the HDPE socket forms a secure bond with pipes quickly after heating, reducing installation time and labor costs.
The HDPE Male Coupler resists exposure to a wide range of chemicals, including acids, alkalis, and industrial solvents. This resistance ensures that it remains durable and effective in industrial fluid transport systems, where contact with corrosive substances is common.
In residential household plumbing systems, the HDPE Male Coupler connects HDPE pipes (used for water supply or drainage) to metal valves, faucets, or water heaters. It ensures a reliable connection that withstands daily use, preventing leaks and maintaining consistent water flow.
For municipal water supply networks, the coupler is used to connect large-diameter HDPE pipes (known for their corrosion resistance) to metal valves, pumps, and treatment equipment. Its high pressure tolerance and leak-proof design make it suitable for distributing clean water to communities.
In agricultural irrigation systems, the HDPE Male Coupler connects HDPE pipes (used for water distribution) to metal sprinklers, valves, and pumps. It withstands outdoor conditions, including UV exposure and temperature fluctuations, ensuring reliable water delivery to crops.
In industrial fluid transport systems, the coupler is used to transfer chemicals, oils, and other fluids between HDPE pipes and metal processing equipment. Its chemical resistance and high pressure tolerance make it a safe and reliable choice for industrial applications.
Within HVAC systems, the HDPE Male Coupler connects HDPE pipes (used for refrigerant or water circulation) to metal components such as compressors and heat exchangers. It ensures efficient heat transfer and system performance, with its leak-proof design preventing refrigerant or water loss.
The coupler’s design seamlessly integrates HDPE and brass materials. The HDPE socket is engineered to bond with HDPE pipes through hot-melt welding, while the brass thread section is securely attached to the HDPE body, ensuring structural integrity and preventing separation under pressure.
The brass threads are precision-machined to meet international standards, ensuring compatibility with a wide range of metal fittings, valves, and equipment. This precision eliminates mismatched connections, reducing installation errors and improving system reliability.
The coupler’s robust structure is designed to withstand mechanical stress, pressure, and environmental factors. The HDPE body provides flexibility to absorb vibrations, while the brass thread section adds strength, creating a balanced design that combines durability and functionality.
The HDPE Male Coupler is specifically designed for use with HDPE pipes on the socket end. The brass thread end is compatible with standard metal fittings (such as steel, brass, or copper) that have matching thread specifications. It is not suitable for use with non-HDPE plastic pipes unless an adapter is used.
For the HDPE socket end, you will need a hot-melt welding machine to heat the pipe and fitting for a secure bond. The brass thread end can be tightened with a standard wrench or by hand (for smaller sizes). No other specialized tools are required, making installation accessible to both professionals and experienced DIY users.
Yes, the HDPE Male Coupler is suitable for underground applications. HDPE is resistant to soil corrosion and environmental damage, and the brass threads are protected from moisture and debris when properly installed. It is commonly used in underground water supply, irrigation, and utility pipelines.
With proper installation and maintenance, the HDPE Male Coupler has a service life of over 50 years. The HDPE material resists degradation from UV rays, chemicals, and wear, while the brass threads maintain their sealing performance over time. It is a long-term, cost-effective solution for piping systems.
The HDPE Male Coupler is a specialized piping fitting designed to bridge the gap between HDPE pipes and metal components such as valves, fittings, or equipment. It features a male brass thread on one end and an HDPE socket on the other, creating a secure transition between different piping materials. This unique design makes it an indispensable component for systems requiring compatibility between plastic and metal elements.
In modern piping networks, the need to connect HDPE pipes (known for their durability and flexibility) with metal components (valued for their strength and precision) is common. The HDPE Male Coupler solves the challenge of creating a leak-proof, durable bond between these two materials, ensuring that fluid flow remains uninterrupted while maintaining system pressure and safety. It acts as a reliable intermediary, eliminating compatibility issues and simplifying installation.
Specification(mm) | φD | L | φd | Packing quantity |
32 | 40 | 85 | 4.8 | |
40 | 50 | 90 | 4.8 | |
50 | 63 | 100 | 4.8 | |
63 | 80 | 125 | 4.8 | |
75 | 95 | 145 | 4.8 | |
90 | 115 | 155 | 4.8 | |
110 | 140 | 190 | 4.8 |

Constructed from premium HDPE (High-Density Polyethylene), the coupler offers exceptional durability, flexibility, and resistance to wear and tear. HDPE is known for its long service life and ability to withstand harsh environmental conditions, making the HDPE Male Coupler suitable for both indoor and outdoor applications.
Equipped with brass threads, the coupler ensures a secure, long-lasting connection to metal components. Brass is corrosion-resistant, wear-resistant, and provides excellent sealing performance, preventing leaks even under long-term use. The threads are precision-cut to match standard metal fittings, ensuring a snug fit without slippage.
The HDPE Male Coupler is engineered for leak-proof performance. The HDPE socket forms a tight bond with HDPE pipes through hot-melt welding, while the brass threads create a secure seal with metal components. This dual-sealing design eliminates fluid loss, making it ideal for water supply, irrigation, and industrial fluid transport systems.
Designed to withstand high system pressures, the HDPE Male Coupler maintains structural integrity even in demanding applications. Its robust construction ensures that it does not crack or deform under pressure, providing reliable performance in municipal water supply, industrial pipelines, and agricultural irrigation systems.
The coupler’s user-friendly design simplifies installation. It requires only basic tools (such as a hot-melt welding machine for the HDPE end) and no specialized training. The brass threads can be tightened by hand or with a wrench, and the HDPE socket forms a secure bond with pipes quickly after heating, reducing installation time and labor costs.
The HDPE Male Coupler resists exposure to a wide range of chemicals, including acids, alkalis, and industrial solvents. This resistance ensures that it remains durable and effective in industrial fluid transport systems, where contact with corrosive substances is common.
In residential household plumbing systems, the HDPE Male Coupler connects HDPE pipes (used for water supply or drainage) to metal valves, faucets, or water heaters. It ensures a reliable connection that withstands daily use, preventing leaks and maintaining consistent water flow.
For municipal water supply networks, the coupler is used to connect large-diameter HDPE pipes (known for their corrosion resistance) to metal valves, pumps, and treatment equipment. Its high pressure tolerance and leak-proof design make it suitable for distributing clean water to communities.
In agricultural irrigation systems, the HDPE Male Coupler connects HDPE pipes (used for water distribution) to metal sprinklers, valves, and pumps. It withstands outdoor conditions, including UV exposure and temperature fluctuations, ensuring reliable water delivery to crops.
In industrial fluid transport systems, the coupler is used to transfer chemicals, oils, and other fluids between HDPE pipes and metal processing equipment. Its chemical resistance and high pressure tolerance make it a safe and reliable choice for industrial applications.
Within HVAC systems, the HDPE Male Coupler connects HDPE pipes (used for refrigerant or water circulation) to metal components such as compressors and heat exchangers. It ensures efficient heat transfer and system performance, with its leak-proof design preventing refrigerant or water loss.
The coupler’s design seamlessly integrates HDPE and brass materials. The HDPE socket is engineered to bond with HDPE pipes through hot-melt welding, while the brass thread section is securely attached to the HDPE body, ensuring structural integrity and preventing separation under pressure.
The brass threads are precision-machined to meet international standards, ensuring compatibility with a wide range of metal fittings, valves, and equipment. This precision eliminates mismatched connections, reducing installation errors and improving system reliability.
The coupler’s robust structure is designed to withstand mechanical stress, pressure, and environmental factors. The HDPE body provides flexibility to absorb vibrations, while the brass thread section adds strength, creating a balanced design that combines durability and functionality.
The HDPE Male Coupler is specifically designed for use with HDPE pipes on the socket end. The brass thread end is compatible with standard metal fittings (such as steel, brass, or copper) that have matching thread specifications. It is not suitable for use with non-HDPE plastic pipes unless an adapter is used.
For the HDPE socket end, you will need a hot-melt welding machine to heat the pipe and fitting for a secure bond. The brass thread end can be tightened with a standard wrench or by hand (for smaller sizes). No other specialized tools are required, making installation accessible to both professionals and experienced DIY users.
Yes, the HDPE Male Coupler is suitable for underground applications. HDPE is resistant to soil corrosion and environmental damage, and the brass threads are protected from moisture and debris when properly installed. It is commonly used in underground water supply, irrigation, and utility pipelines.
With proper installation and maintenance, the HDPE Male Coupler has a service life of over 50 years. The HDPE material resists degradation from UV rays, chemicals, and wear, while the brass threads maintain their sealing performance over time. It is a long-term, cost-effective solution for piping systems.