



The 45 Degree Elbow (PPR D25 45 Degree Elbow) is a high-performance fitting specifically engineered for directional changes in piping systems. Manufactured from premium-grade polypropylene random copolymer (PPR), it delivers outstanding resistance to pressure and temperature, making it suitable for both hot and cold water distribution, underfloor heating systems, and various industrial fluid applications.
With precisely molded structure and rigorously controlled angles, this elbow ensures a smooth directional transition at 45 degrees. Compared to 90-degree elbows, the 45-degree variant provides better hydraulic efficiency by reducing flow resistance and turbulence, thereby minimizing energy loss and enhancing the system’s longevity. The fitting complies with international standards such as ISO and DIN, ensuring seamless compatibility with standard PPR piping and enabling fast, secure installation.
Our manufacturing process incorporates advanced injection molding techniques and automated quality inspection to guarantee dimensional accuracy, consistent wall thickness, and burr-free surfaces. Its eco-friendly composition not only supports sustainable development but also preserves water purity, making it safe for potable water systems.
Choosing our PPR 45 Degree Elbow means choosing reliability, long-term performance, and uncompromising product quality.




Our PPR D25 90 Degree Elbow is specifically engineered for directional transitions in PPR hot and cold water piping systems. It enables a secure and precise 90-degree redirection of pipe runs, particularly useful at corner joints and spatial constraints during pipeline installation. Manufactured from premium polypropylene random copolymer (PPR) through high-precision injection molding, the elbow exhibits resistance to high temperature, pressure, and corrosion, complying with national and international standards for potable water systems.
With an outer diameter of 25mm (D25), the product ensures strict dimensional accuracy and tight tolerance control, facilitating leak-proof thermal fusion with standard PPR pipes. Its design reduces stress concentrations at directional changes, preventing pressure imbalance that could compromise long-term integrity and improving overall system durability.
The interior surface is exceptionally smooth, minimizing frictional loss and preventing scale buildup, thus preserving flow efficiency. Its non-toxic, eco-friendly properties align with sustainable construction practices, and the manufacturing process remains free from harmful emissions or contaminants.
As a manufacturer, we implement rigorous quality inspections for every 90 Degree Elbow before shipment. Each unit is pressure-tested and durability-verified to meet the stringent requirements of high-demand engineering applications, ensuring long-term safety and reliability in every installation.




The L-shaped Φ25 PPR Elbow (right) is a high-performance pipe fitting engineered specifically for modern water supply systems. Manufactured from premium-grade polypropylene random copolymer (PPR), it offers exceptional mechanical strength and corrosion resistance, even under high-temperature and high-pressure conditions. The 25mm nominal diameter adheres to industry-standard dimensions, making it compatible with both residential and industrial piping systems for cold and hot water distribution.
Its distinctive right-facing L-shaped design is optimized for space-constrained installations, especially around corners or complex architectural layouts. This three-dimensional configuration minimizes the need for additional connectors and simplifies installation. The smooth internal transition at the bend reduces flow resistance and enhances hydraulic efficiency. Moreover, the design provides resistance to water hammer, protecting the system from pressure shocks and extending its service life.
In terms of production accuracy, the elbow stands out due to advanced molding and dimensional control technologies. Its socket dimensions are highly precise, ensuring a secure fusion joint with PPR pipes and eliminating leakage risks. The product's smooth surface finish enhances its resistance to fouling and scaling, maintaining hygiene and reducing long-term maintenance efforts.
Each L-shaped Φ25 PPR Elbow (right) undergoes rigorous quality control before leaving the factory, including pressure testing, weld integrity inspection, and material consistency analysis. Whether for new installations or system retrofits, this product is a reliable solution for building robust, efficient, and durable piping networks.




The Equipotential D25x1/2" PPR Female Threaded Elbow is a high-performance fitting meticulously engineered for modern piping systems to ensure equipotential bonding between different metallic components, effectively preventing corrosion and electrical hazards caused by potential differences. Manufactured from premium-grade polypropylene (PPR), it offers corrosion resistance and mechanical strength, making it suitable for a wide range of environments and fluid types.
The internal threading is precisely machined to seamlessly connect with standard 1/2-inch female threaded fittings, ensuring quick and secure installation with sealing performance. Its elbow structure is designed according to fluid dynamics principles to minimize flow resistance and pressure loss, while guaranteeing effective equipotential conduction, thereby enhancing overall system safety and stability.
Moreover, this equipotential female threaded elbow undergoes rigorous quality control during production, meeting international electrical safety standards. It is suitable for use in industrial, commercial, and residential piping applications. Its temperature and pressure resistance ensure long-term reliability, significantly reducing maintenance costs and risk of failure.
With precise design and high manufacturing standards, this product not only improves the safety and reliability of piping connections but also provides a solid foundation for the integrity of equipotential bonding systems, enabling users to achieve efficient and durable pipeline solutions.




The Equipotential PPR D25x1/2" Double Female Threaded Elbow is a high-performance fitting specifically engineered for piping systems. Manufactured from premium PPR (Polypropylene Random Copolymer), it offers corrosion resistance and high-temperature durability. Its compact structure and internal threading design ensure a secure connection with metal pipes and other threaded fittings, providing a reliable seal to prevent leaks. This makes it ideal for both hot and cold water distribution systems as well as industrial piping networks.
The equipotential functionality of this elbow is particularly valuable in installations requiring electrical safety measures. It effectively mitigates electrical shock hazards caused by potential differences within the piping system. The double female threaded design allows for equipotential bonding of two pipes at the bend, ensuring electrical continuity throughout the system in compliance with modern building and industrial electrical safety regulations. This product delivers a stable and safe piping connection solution across residential, commercial, and industrial applications.
Furthermore, the product features high manufacturing precision, with threads undergoing rigorous inspection to guarantee smooth assembly and easy installation, thereby reducing labor time and costs. Its wear-resistant and durable nature ensures long service life and minimal maintenance. Through stringent quality control and multiple certifications, each equipotential double female threaded elbow meets international standards, empowering customers to build efficient and secure piping systems.




As a manufacturer dedicated to producing high-quality pipe fittings, our Lengthen D25x1/2 Check Valve PPR Female Threaded Elbow is meticulously crafted from premium polypropylene (PPR) material, ensuring outstanding corrosion resistance and long-term mechanical stability. The product design carefully addresses the unique requirements of check valve applications within piping systems, optimizing fluid flow through an extended length that reduces pressure loss and enhances overall system efficiency.
The female threaded connection is precisely machined to guarantee tightness and sealing performance, facilitating easy installation and compatibility with various standard fittings. The elbow angle conforms to industrial norms, accommodating complex pipeline layouts and increasing the flexibility of system configuration. The integrated check valve mechanism effectively prevents backflow, ensuring safe operation of pipelines, suitable for hot and cold water supply, chemical transport, and industrial gas pipelines among other applications.
Furthermore, we implement stringent quality control throughout the manufacturing process, from raw material procurement to final product inspection, ensuring that every item meets international quality standards. Leveraging extensive manufacturing expertise and advanced technological support, we offer customized solutions tailored to the specific demands of different engineering projects, helping clients achieve more efficient and safer pipeline management.




The PPR D25x1/2 Female Thread Elbow for Shower is manufactured from premium-grade polypropylene, ensuring resistance to high temperatures, corrosion, and long-term durability. Its precision-engineered design features internal threading that meets international standards, allowing seamless connection with a wide range of standard fittings for leak-free and smooth water flow. Whether for new installations or renovations, this elbow simplifies the installation process and enhances construction efficiency.
The elbow angle is scientifically optimized to minimize water flow resistance, ensuring stable and evenly distributed shower water pressure. The female threaded connection provides a secure and tight fit, while also enabling easy disassembly and maintenance, suitable for multiple uses. The smooth, impurity-free surface reduces scale buildup and sediment accumulation, prolonging the lifespan of the fitting and improving overall plumbing hygiene and safety.
Our PPR female thread elbow undergoes rigorous quality control and complies with numerous domestic and international environmental and safety standards. It is suitable for shower systems in both residential and commercial buildings, adaptable to various water quality conditions, and exhibits aging resistance. Choosing this product means securing a reliable fitting that provides a solid foundation for your plumbing system, ensuring users enjoy a comfortable and safe showering experience.




As a manufacturer of pipeline fittings, we have meticulously engineered the D25x1/2 PPR Double Female Thread Elbow specifically for shower applications using high-quality PPR (Polypropylene Random Copolymer) material. This ensures exceptional corrosion resistance and high-temperature tolerance. The material is not only environmentally friendly and non-toxic but also possesses mechanical strength and wear resistance, meeting the high demands for long-term stability in piping systems.
The double female threaded design allows for easy connection of pipes or fittings of different specifications on both ends, enabling flexible piping configurations. The D25x1/2 specification fits residential and commercial shower systems, ensuring smooth water flow with no leakage. The elbow angle is precisely crafted to meet pipeline layout requirements, optimizing water direction, reducing energy loss, and enhancing overall user experience.
Furthermore, our manufacturing process rigorously controls every stage to guarantee thread precision and sealing integrity, preventing loosening or leakage during installation. This elbow is suitable for both hot and cold water pipelines, offering pressure resistance and adaptability to various temperature conditions. Whether for new installations or renovation projects, it provides customers with a reliable and stable solution.
From a design perspective, we balance practicality with durability, featuring a clean and aesthetic appearance that is easy to install and maintain. The product complies with international piping fitting standards, offering strong compatibility and broad adaptability to meet diverse market and user requirements. Choosing our shower-specific double female thread elbow means opting for guaranteed quality in your piping system.




The PPR D25x1/2 Female Thread Elbow is a high-performance fitting meticulously developed and manufactured by our company to meet the demanding requirements of piping systems for connection and directional changes. Made from premium polypropylene (PPR) material and crafted with precision injection molding, this elbow excels in corrosion resistance, high-temperature tolerance, and pressure endurance, positioning it at the forefront of industry standards. Its internal female thread design enables secure connections with metal fittings or other externally threaded components, ensuring system tightness and stability.
With a specification of D25x1/2, the fitting offers precise dimensions compatible with various pipe diameters, facilitating easy installation and maintenance. The high machining accuracy of the internal thread guarantees a leak-proof, tight fit during assembly, minimizing wear and pressure loss within the piping system. The elbow’s design is optimized based on ergonomic and fluid dynamic principles, significantly reducing flow resistance, enhancing fluid efficiency, and extending the service life of the pipeline.
Moreover, our female thread elbow exhibits weather resistance and environmentally friendly properties, complying with international environmental standards. It is non-toxic and safe for use in drinking water and industrial water systems. The product undergoes rigorous quality inspections including pressure, heat, and chemical corrosion tests to ensure every unit meets stringent customer requirements. We are committed to providing stable, reliable products and comprehensive after-sales support to facilitate the successful execution of various piping projects.




The Parallel S Type Elbow is manufactured from premium-grade polypropylene random copolymer (PPR), offering exceptional corrosion resistance and high-temperature tolerance to ensure long-lasting, stable performance in a variety of water supply and drainage systems. Its precision-molded design guarantees accurate dimensions and tight fittings, eliminating leakage risks and enhancing the overall sealing and safety of the piping network.
Engineered with fluid dynamics in mind, the S-shaped elbow’s parallel curvature significantly reduces fluid resistance and turbulence, thereby improving flow efficiency and lowering energy consumption. This product is suitable for residential, commercial, and industrial piping systems, especially in complex pipeline layouts where it enables smooth directional changes while maintaining flow characteristics.
Produced under stringent international quality standards with multiple inspection processes, each Parallel S Type Elbow withstands high-pressure and impact resistance requirements. The smooth surface facilitates easy installation and maintenance, while its environmental adaptability—resistance to UV radiation and chemical exposure—extends pipeline lifespan and reduces maintenance costs.
Available in various specifications and sizes to meet diverse project demands, and customizable upon request, our Parallel S Type Elbow combines outstanding performance with reliable quality. It serves as an essential connector in modern piping systems, contributing to efficient, energy-saving, and safe water supply solutions.




The Heightened PPR S Type Elbow is a high-performance fitting specifically engineered to enhance the efficiency of fluid conveyance in piping systems. Its unique heightened design improves fluid flow capacity and significantly reduces flow resistance, thereby optimizing the overall performance of the pipeline. Manufactured from premium polypropylene random copolymer (PPR), the elbow offers outstanding corrosion resistance and high-temperature durability, making it suitable for a wide range of industrial and residential applications.
From a manufacturing perspective, we utilize advanced injection molding technology coupled with stringent quality control processes to ensure precise dimensions and structural integrity of every elbow. This design facilitates easier installation and a more secure connection, greatly minimizing leakage risks. The special geometry of the heightened S type elbow effectively distributes pipeline pressure, prolonging the service life of the system and reducing maintenance demands.
Moreover, the product complies with multiple international standards, demonstrating environmental adaptability and safety features. It is widely used in hot and cold water supply, central air conditioning systems, and industrial piping applications, fulfilling the high durability and performance requirements of diverse customers. Through continuous technological innovation and rigorous quality management, we are committed to delivering stable and reliable solutions with our Heightened PPR S Type Elbow.




The Extended Inner Elbow (PPR D25x1/2 Extended Inner Elbow) is a vital component engineered to meet the demands of high-performance piping systems. Manufactured from premium polypropylene random copolymer (PPR), it exhibits exceptional resistance to high temperatures, corrosion, and mechanical stress, fulfilling the rigorous standards of modern water supply and heating systems. Its extended design enhances installation flexibility and effectively reduces stress concentration at joints, thereby prolonging the service life of the piping network.
With a diameter of 25mm and an internal diameter of 1/2 inch, this fitting is compatible with a wide range of standard piping components, enabling seamless integration within various pipeline configurations. The precisely engineered inner elbow angle ensures smooth fluid flow, minimizes pressure drop, and optimizes system efficiency. Its compact structure and lightweight nature facilitate easy installation and maintenance, especially in confined spaces or complex piping layouts.
Moreover, our extended inner elbow has passed multiple industry quality certifications, guaranteeing compliance with international standards. Its eco-friendly materials and recyclability reflect our commitment to sustainable development. Suitable for residential, commercial, and industrial applications alike, this product delivers a dependable, durable, and efficient solution for reliable pipeline connections.




The PPR Copper D25x1/2 Female Thread Elbow is a high-quality fitting meticulously crafted from premium copper, designed specifically for pipeline connections. The copper material offers corrosion resistance and long-term stability. Its inherent thermal conductivity and oxidation resistance make this elbow ideal for various plumbing systems, capable of withstanding high temperatures and pressures, thus ensuring safe and reliable pipeline operation.
This female-threaded elbow is engineered for ease of installation and sealing performance. The internal thread is precisely machined to perfectly fit standard threaded pipes, ensuring a tight, leak-free connection. The elbow's angle is accurately calibrated to minimize fluid flow resistance and improve overall system efficiency. Additionally, the copper's ductility enhances the fitting's mechanical stress resistance, extending service life and reducing maintenance needs.
Manufactured using advanced forging and machining technologies, every elbow maintains consistent dimensions and performance. The surface treatment prevents oxidation and dirt accumulation, simplifying maintenance. Widely used in residential water supply, heating systems, and industrial piping installations, this product’s outstanding quality and reliability make it a preferred choice for numerous engineering and maintenance projects.




The Equipotential PPR D25x1/2 Return Elbow is a precision component engineered for efficient pipeline systems, crafted from premium polypropylene material to ensure corrosion resistance and mechanical strength in complex water networks. Its modular assembly design allows flexible installation across various pipe diameters, specifically tailored for equipotential return circuits, effectively ensuring electrical potential balance and enhancing overall safety performance.
The structural design incorporates fluid dynamics principles, featuring a smooth internal curve that minimizes flow resistance and energy loss, thereby improving return water efficiency. The D25x1/2 specification aligns with mainstream PPR pipe standards, guaranteeing compatibility and ease of installation. The modular assembly process simplifies installation procedures and facilitates maintenance and replacement, reducing long-term operational costs.
Furthermore, the equipotential design effectively prevents corrosion caused by potential differences, extending system lifespan and ensuring water safety. Its high-precision manufacturing process guarantees joint sealing and pressure resistance, suitable for both hot and cold water systems, performing reliably in various industrial and residential applications. We are committed to delivering products with stable performance and reliable quality to support the construction of efficient, energy-saving piping solutions.




The Assembled Equipotential D25x1/2 PPR Female Threaded Elbow is a high-performance fitting engineered for modern piping systems. Manufactured from premium PPR material, it offers exceptional corrosion resistance and high-temperature durability, ensuring long-term stability even under demanding operating conditions. Its elbow design adheres to industry standards, allowing flexible directional changes in pipelines while maintaining a secure, leak-proof connection.
This product emphasizes equipotential bonding functionality through its built-in metallic conductive components, guaranteeing electrical continuity between different metallic parts within the piping system. This feature effectively mitigates risks related to potential differences, such as corrosion and safety hazards. The assembled design simplifies installation, improves construction efficiency, and minimizes onsite connection errors, providing reliable assurance for engineering projects. The female threaded interface is compatible with a variety of standard fittings, offering broad applicability across different pipe diameters and connection requirements.
Throughout manufacturing, a rigorous quality control system ensures precise dimensions, smooth surface finishing, and finely machined threads with tight assembly tolerances. Widely used in water supply, HVAC, fire protection, and industrial piping systems, this elbow is a critical component for ensuring safe and stable pipeline operation. Whether for new installations or maintenance and retrofitting, the Assembled Equipotential Female Threaded Elbow delivers efficient, safe, and durable solutions for customers.




This Φ25x90 Silencer PPR Elbow is a high-performance fitting meticulously engineered for piping systems, crafted from premium polypropylene random copolymer (PPR) material. This ensures outstanding corrosion resistance and high-temperature durability. Its unique internal design significantly reduces noise generated by fluid flow, enhancing the overall sound insulation performance of the piping system, making it particularly suitable for water supply systems in residential and commercial buildings. The product undergoes rigorous quality control and complies with international standards, guaranteeing long-term stable operation and safety.
Featuring a 90-degree bend, this silencer elbow combines optimized fluid dynamics with robust structural integrity, minimizing flow resistance and pressure loss while improving pipeline flexibility and ease of installation. The smooth inner surface is free from burrs, reducing the risk of sediment buildup and blockages, thereby extending the service life of the piping system. With precise dimensions and compatibility, it seamlessly connects with other PPR pipes and fittings, ensuring efficient sealing and pressure resistance.
Our manufacturing process emphasizes environmental sustainability and energy efficiency, using recyclable materials and adhering to green production standards. This silencer elbow not only enhances the acoustic comfort of piping systems but also reduces maintenance costs and energy consumption, meeting modern construction demands for both comfort and sustainability. As a professional manufacturer, we continuously innovate and maintain strict quality control to provide reliable and efficient piping solutions for our customers.




Φ20x90 Silencer PPR Elbow is a high-performance pipe fitting specifically engineered for modern plumbing systems, crafted from premium polypropylene random copolymer (PPR) material. This ensures outstanding corrosion resistance and high-temperature tolerance. Its precision-engineered design not only guarantees a tight and secure connection but also significantly reduces noise generated by fluid flow, enhancing the overall soundproofing of the piping system.
The Φ20x90 dimension is suitable for a wide range of residential and commercial piping applications, fulfilling the requirements for a 90-degree turn while maintaining sealing capabilities to prevent leaks and extend pipe longevity. The interior of the silencer elbow is optimized to minimize noise caused by water impact and vibration, making it ideal for noise-sensitive environments such as hospitals, schools, and office buildings.
Manufactured using advanced production technologies and subjected to stringent quality control, each silencer elbow boasts precise dimensions and consistent material quality. It offers pressure resistance, capable of withstanding up to 20 bar, adapting well to various demanding conditions. The fitting is easy to install and highly compatible, seamlessly integrating with existing PPR pipe systems and greatly improving installation efficiency.
As a professional manufacturer, we are committed to delivering high-quality, environmentally friendly, and safe piping solutions. The silencer elbow not only optimizes the operational environment of piping systems but also contributes to energy saving and emission reduction, complying with international environmental standards. It is an ideal choice for enhancing the overall performance of piping installations.




The PPR D25 Short Bridge Elbow is a high-performance fitting specifically engineered for modern plumbing systems, made from premium polypropylene random copolymer (PPR) material. This ensures outstanding corrosion resistance and long-term stability in service. Its unique short bridge design saves installation space and significantly enhances system flexibility, making it suitable for a variety of complex piping layouts and diverse installation scenarios.
The product design strictly complies with international standards, offering precise dimensions and tight connections that prevent leakage. The smooth internal surface reduces fluid resistance, effectively improving flow efficiency while lowering energy consumption. With heat and pressure resistance, it can withstand demanding conditions in both residential and industrial environments, ensuring safe operation and extended service life.
During manufacturing, we utilize advanced injection molding technology and implement rigorous quality control measures to ensure every Short Bridge Elbow meets high-quality standards. The product undergoes multiple performance tests, including pressure, temperature, and chemical resistance assessments, guaranteeing stability and reliability. Our Short Bridge Elbow is ideal not only for new installations but also for renovation and maintenance of existing pipelines, providing users with an efficient and convenient solution.
This series of PPR hot melt elbows offers a comprehensive range of types, including standard elbows, female threaded elbows, double-threaded elbows, silencers, check elbows, and return elbows, fully meeting the needs of complex piping systems. With detailed specifications and versatile interfaces, they are suitable for residential, hotel, bathroom, and industrial plumbing systems.
All products are designed with high standardization, using premium PPR materials combined with advanced hot melt technology to ensure firm connections and reliable sealing. They are resistant to high temperatures and corrosion, making them ideal for both hot and cold water systems. The smooth inner walls reduce water resistance and improve system efficiency.
Some elbows incorporate functional features, such as check valve elbows and silencer elbows, which enhance system safety and comfort by reducing noise and preventing backflow, offering a better user experience.
The product line also includes various modular and customized options, such as heightened S-type elbows, assembled equipotential elbows, and copper-threaded elbows, showcasing the flexibility and specialization of the series. These designs adapt to more unique scenarios and help reduce installation complexity and cost.
Shanghai Pirsa Pipe Industry Co., Ltd. was established in 2003. We have two production bases located in Shanghai, China and Zhoukou, Henan Province, with cooperative bases covering Fujian, Anhui, Yunnan, Chongqing, and Shenyang in China. The factory covers an area of 100000 square meters; Over 100 production lines with an annual production capacity of 100000 tons and an annual sales revenue of 600 million RMB.
The products include PP-R, PE-RT, PE water supply pipes PB、 Nearly a hundred series of products including stainless steel drinking water pipes, HDPE drainage pipes and double wall corrugated pipes, PVC-U drainage pipes and electrical conduit, PVC-C high and low voltage power pipes, switch sockets, bathroom plumbing, and pre purified water.
The company was established in 2003
Factory area of 100000 square meters
Over 100 production lines

