Zhejiang Fengfeng Pipe Industy'sHDPE-Stainless Electrofusion Transition Coupling with Male Thread is a specialized fitting used to connect High-Density Polyethylene (HDPE) pipes to stainless steel components, such as valves, pumps, or other threaded fixtures. This type of fitting ensures a secure, leak-proof transition between two different materials (HDPE and stainless steel) while utilizing the electrofusion welding method for joining.
Technical Characteristics
Key Features and Components:
HDPE (High-Density Polyethylene): HDPE is a durable, flexible thermoplastic known for its resistance to chemicals, environmental stress, and corrosion. It is commonly used in water, gas, and waste systems due to its long lifespan and ease of installation. HDPE pipes are lightweight and resistant to various environmental conditions, making them ideal for underground or outdoor applications.
Stainless Steel: Stainless steel is a strong, corrosion-resistant metal widely used in piping systems, particularly in environments where high strength, temperature resistance, and resistance to corrosion are required. Stainless steel fittings are often used in industrial and commercial systems.
Electrofusion: Electrofusion is a process used to join HDPE pipes and fittings by applying electrical current to a coil inside the fitting. The current heats up the fitting, melting both the fitting and the pipe ends, creating a strong, seamless bond between the two. This method ensures leak-free and reliable joints that are resistant to pressure and external forces.
Transition Coupling: A transition coupling is used when connecting two pipes or components made from different materials, in this case, HDPE and stainless steel. The coupling typically has an HDPE end for the pipe connection and a stainless steel threaded end for connecting to stainless steel equipment. The transition coupling facilitates the connection of dissimilar materials while maintaining the integrity and leak-proof quality of the system.
Male Thread: The male thread is an external threaded section of the coupling that screws into a female-threaded fitting or component. In this case, the male-threaded end allows for secure attachment to stainless steel fittings, valves, or other equipment that have female threads. This ensures a secure mechanical connection, commonly used in pressure or gas systems.
Applications:
Water Supply Systems: Transition couplings are often used in water pipelines when a connection is needed between HDPE piping and stainless steel components, such as pumps or pressure regulators.
Gas Distribution: In gas systems, where both HDPE pipes and stainless steel valves or meters are used, transition couplings with male threads allow for seamless, leak-proof connections.
Industrial Systems: Used in various industrial applications, such as chemical plants, food processing, or oil and gas, where HDPE pipes need to connect to stainless steel equipment.
Irrigation Systems: These couplings are also used in irrigation systems where transitioning from HDPE to stainless steel components is required for system control.
Advantages:
Leak-Proof: The electrofusion process ensures that the connection between HDPE and stainless steel is robust and leak-free, offering a long-lasting, secure bond.
Corrosion Resistance: Both HDPE and stainless steel are resistant to corrosion, ensuring the longevity of the system, especially in harsh environmental conditions.
Ease of Installation: Electrofusion fittings are easy to install, requiring minimal tools and no special welding equipment. The electrofusion process makes it a quick and reliable method for joining HDPE pipes to stainless steel components.
Versatility: This type of coupling can be used in a wide range of applications, from water and gas systems to chemical and industrial installations, making it a highly versatile fitting.
Specifications
Specification Φdn×thread(Male) |
L | A | ITEM No. |
63mm×2" | 117 | 52 | FFE-SSTM63 |
75mm×2-1/2" | 117 | 40 | FFE-SSTM75 |
90mm×3" | 125 | 45 | FFE-SSTM90 |
110mm×4" | 140 | 51 | FFE-SSTM110 |
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