



The PPR High Flow Manifold D50x1/2 Female Threaded Unions are manufactured from high-quality PPR material, providing corrosion resistance and high-temperature durability to ensure long-term stable performance in various water systems. The female threaded design allows easy connection with standard threaded fittings, ensuring simple installation and sealing to effectively prevent leakage.
The connector features a D50 main diameter combined with a 1/2 inch female thread, suitable for various manifold system interface requirements. Its high flow design ensures unobstructed water flow, meeting the demands of efficient water circulation and distribution for both industrial and residential applications, suitable for both hot and cold water systems.
Strict tolerance control during manufacturing guarantees consistent dimensions and interchangeability of each connector, facilitating system maintenance and replacement. The robust construction provides strong pressure resistance, adapting to different operating environments and extending service life. This product complies with relevant industry standards, ensuring safety and reliability.




We have meticulously designed and produced the PPR High Flow Manifold All Plastic Unions to meet the demands of modern piping systems for efficient flow management. The union is made from high-quality PPR material, ensuring corrosion resistance and long-term stability, suitable for both hot and cold water as well as various chemical media, safeguarding the safety and longevity of the system.
The union features an optimized structure with a smooth inner cavity, significantly reducing fluid resistance, enabling high flow rates while maintaining stable system pressure. Its all-plastic design not only reduces overall weight, facilitating installation and maintenance, but also effectively prevents electrochemical corrosion that metal components may cause, enhancing the durability and reliability of the piping system.
Manufacturing strictly follows international standards to ensure dimensional accuracy and sealing performance. The union interfaces fit tightly to guarantee leak-free operation and accommodate multiple pipe diameters, allowing flexible integration into manifold systems. The product undergoes rigorous quality control to ensure every piece meets the required standards, fulfilling customers’ high-demand applications.
As a manufacturer, we continuously invest in research and development, focusing on material performance and process improvements, aiming to enhance production efficiency and environmental compliance while maintaining product stability. The PPR High Flow Manifold All Plastic Unions serve as a critical component in piping systems, effectively ensuring improved overall system efficiency and reliability.




The PPR High Flow Manifold D50x1/2 Male Threaded Unions are manufactured from premium-grade polypropylene (PPR), providing corrosion resistance and high-temperature durability, suitable for various industrial and residential plumbing systems. The design is based on fluid dynamics principles, effectively minimizing flow resistance and ensuring stable, high-efficiency water delivery throughout the system.
This connector features a male threaded standard interface, offering broad compatibility for connection with pipes and fittings of different specifications, greatly enhancing installation flexibility and convenience. With a size specification of D50x1/2, it is engineered specifically for high flow systems, maintaining sealing integrity and mechanical stability under large flow conditions to prevent leaks and loosening.
The product is robust and durable, designed for long-term use, capable of withstanding high pressure and frequent operation cycles. Manufactured using precise molds and strict quality controls, each union ensures consistent dimensions and performance, meeting industry standards and customer requirements. It is suitable for centralized water supply, HVAC systems, and other applications requiring efficient water distribution.




The high-flow 3-way manifold with female threaded copper unions is manufactured using premium PPR material combined with corrosion-resistant copper fittings, ensuring durability and stability during long-term use. The female threaded design guarantees tight connections and effective sealing, preventing leakage and suitable for various hot and cold water distribution systems.
The manifold is engineered with fluid dynamics optimization to achieve large and balanced water flow distribution, enhancing overall system efficiency. The three outlet ports are arranged for easy installation and maintenance, making it ideal for water distribution solutions in residential, commercial, and industrial applications.
This product undergoes rigorous quality control and complies with relevant industry standards to ensure safety and reliability. The copper fittings are subjected to high-temperature welding for joint strength and pressure resistance, suitable for high-pressure water systems. The compact structure allows straightforward installation and compatibility with various pipe diameters, improving flexibility and convenience during field assembly.




The PPR High Flow Manifold 4-Way Female Threaded Copper Unions is manufactured from high-quality PPR material, ensuring corrosion resistance and long service life. Designed for multi-line water distribution systems, it effectively balances water flow across all outlets, ensuring stable and efficient system operation. The female threaded copper unions combine the chemical resistance of PPR with the mechanical strength of copper, enhancing the sealing performance and mechanical durability at connection points.
The manifold features a high-flow channel design that significantly reduces flow resistance and improves water flow efficiency, suitable for applications requiring high volume and multi-branch distribution. The four-way outlet configuration offers flexibility to meet multiple water supply points, facilitating system expansion and maintenance. The internal structure is optimized to ensure even water flow distribution among branches, preventing performance fluctuations caused by pressure imbalances.
Installation is simplified with female threaded connections, while the copper unions ensure durable, leak-proof joints compatible with various pipe sizes. Manufactured under strict industry standards and subjected to multiple quality checks, each unit meets rigorous performance and quality requirements. This manifold is widely applicable in residential, commercial, and industrial hot and cold water systems, underfloor heating systems, and other fluid distribution networks.




PPR High Flow Manifold 5-Way Female Threaded Copper Unions is manufactured using premium PPR material, providing corrosion resistance and high-temperature tolerance suitable for various water supply systems. The design focuses on enhancing fluid delivery efficiency, making it ideal for distributing large volumes of hot and cold water with stable and even flow across multiple outlets, ensuring reliable system performance.
Each outlet features a female threaded copper union, combining the high strength of PPR pipes with robust sealing and pressure resistance. The copper unions increase mechanical durability and connection reliability, suitable for long-term operation. The manifold’s internal structure is optimized to minimize flow resistance, thereby improving overall hydraulic performance while reducing energy consumption and noise.
This product undergoes rigorous quality and pressure testing to meet industry standards and safety regulations. It is applicable in residential, commercial, and industrial water supply systems, especially in complex piping networks requiring efficient water distribution. With easy installation and maintenance, it significantly reduces construction time and maintenance costs, making it an ideal choice for upgrading or renovating water supply infrastructure.




The PPR High Flow Manifold 3-Way Female Threaded Plastic Unions is manufactured from high-quality polypropylene random copolymer (PPR), offering corrosion resistance and high-temperature tolerance. This full plastic construction eliminates the risk of metal corrosion, extending the service life of the product while maintaining system stability and safety.
Designed with three outlet ports equipped with standard female threaded plastic unions, it facilitates easy connection to various pipelines and equipment for efficient water distribution and control. The high flow capacity ensures stable flow rates and pressure even under demanding operating conditions, meeting the requirements of complex systems. The threaded connections are precision-manufactured to ensure tight sealing and secure joints, preventing leakage.
Its compact structure and straightforward installation make it suitable for a wide range of applications including HVAC systems, industrial cooling, agricultural irrigation, and municipal water supply. Through rigorous quality control and testing, each manifold demonstrates durability and reliability in practical use. The lightweight design reduces transportation and installation costs, enhancing overall project efficiency.




High Flow Full Plastic 4-Way Manifold is manufactured from premium PPR (Polypropylene Random Copolymer) material, providing corrosion resistance and high-temperature tolerance, ensuring long-term stable operation of the system. Its design focuses on delivering high flow rates, meeting the demands of complex piping networks requiring multi-way distribution, effectively improving overall water supply efficiency.
The product features a well-engineered 4-way distribution layout, equipped with standard female threaded plastic unions that allow compatibility with various pipes and fittings. The installation is flexible and the sealing performance is reliable. The all-plastic construction eliminates issues related to metal corrosion and scaling, reduces equipment weight, and lowers maintenance costs, making it suitable for both industrial and residential water supply systems.
During manufacturing, strict international quality standards are followed to ensure precise dimensions and strong joint sealing. The product undergoes multiple pressure tests to verify its pressure resistance and long-term durability. This manifold is widely adaptable, capable of meeting hydraulic requirements in different working conditions, making it an ideal choice for stable distribution and flow control in system design.




The PPR High Flow Manifold 5-Way Female Threaded Plastic Unions are manufactured from high-quality PPR material, providing corrosion resistance and pressure durability, making it suitable for stable distribution in multi-line water supply systems. The design emphasizes balanced flow through five outlets, effectively meeting the simultaneous water demands of multiple points, thereby enhancing overall system efficiency and reliability.
This manifold features an all-plastic construction, reducing weight for easier installation and maintenance, while ensuring strong sealing performance. Each outlet is equipped with female threaded plastic unions, compatible with various piping connections, ensuring secure and leak-free joints. Its high flow capacity is engineered to handle heavy-duty water supply scenarios in residential, commercial, and industrial multi-point distribution systems.
With precise flow control and distribution, this 5-way manifold minimizes hydraulic resistance, improving water delivery efficiency and extending system lifespan. Its compact design saves installation space and adapts well to diverse environments, allowing users to achieve flexible layout and convenient management in complex piping networks.




The PPR High Flow Manifold 3-Way Male Threaded Copper Unions is constructed from premium PPR material combined with copper male threaded unions, ensuring system stability and durability. Featuring three independent outlets, this manifold allows precise distribution of multiple water flows, meeting the demand for multi-point water supply in complex piping systems. Each outlet is equipped with high-precision male threaded copper unions for quick and secure connection, ensuring reliable sealing and minimizing leakage risks.
The high flow design caters to increased flow requirements in industrial and residential applications, effectively supporting the transport of high-volume water sources and enhancing system efficiency. The 3-way manifold’s multi-output capability makes it suitable for scenarios requiring controlled multi-point water distribution, such as centralized heating, cooling systems, and large-scale water supply networks. The copper unions improve corrosion resistance and enhance overall mechanical strength, extending product lifespan.
During manufacturing, strict control of dimensional accuracy and sealing performance guarantees easy installation and stable connections. The design balances flow distribution and minimizes pressure loss. The product complies with industry standards and is suitable for various demanding water supply and heating systems, enabling users to achieve efficient and stable system operation.




The High Flow Manifold 4-Way Male Threaded Copper Unions is manufactured using premium PPR material, ensuring corrosion resistance and pressure endurance. Its 4-way configuration efficiently supports multi-point water distribution, meeting the demands of complex piping systems for high flow capacity and enhancing overall system stability and efficiency.
Equipped with standard male threaded connections, the manifold facilitates easy integration with various pipes and equipment. The copper unions provide sealing performance and durability, ensuring long-term leak-free operation. The manifold’s internal design features a large flow cross-section, minimizing hydraulic resistance and maintaining high flow transmission, particularly suitable for water distribution systems requiring independent control over multiple outlets.
Each manifold is produced under stringent quality controls and subjected to rigorous pressure and sealing tests to guarantee safety and reliability under high-pressure conditions. This manifold is widely used in residential, commercial, and industrial plumbing systems, especially where high flow and multi-point water supply are critical, delivering consistent and durable hydraulic performance.




PPR High Flow Manifold 5-Way Male Threaded Copper Unions is constructed with premium copper unions integrated with a PPR body to ensure durability and reliable sealing performance throughout the system. The manifold’s design features five independent outlets, facilitating multi-point water distribution and significantly enhancing flow efficiency, making it ideal for complex piping systems and large-scale water supply applications.
Each of the five outlets is equipped with male threaded connections, enabling easy integration with various pipe materials and equipment for flexible installation and maintenance. The high flow capacity design maintains a stable and ample water flow for every outlet, effectively minimizing pressure drop and flow imbalance, ensuring efficient and consistent system operation.
The manifold’s compact and corrosion-resistant structure adapts to a wide range of environmental conditions, meeting both industrial and residential requirements. Its manufacturing precision and dimensional accuracy guarantee tight joints at all connections, preventing leaks, extending service life, and reducing maintenance costs.
This series of PPR High Flow Manifolds features a high-flow design, making it suitable for systems requiring efficient water delivery with steady flow and minimal pressure loss. It fulfills the diverse needs of complex plumbing systems in residential, commercial, and industrial applications.
The product line offers a wide range of connection options including female threads, male threads, all-plastic constructions, and copper unions, providing adaptability to different piping materials and installation scenarios. This enhances installation efficiency and ensures better sealing performance with fewer adapters required.
Manifolds are available in 3-way to 5-way configurations, offering flexibility to suit various pipe distribution layouts. The availability of multiple ports also makes system maintenance and future expansion easier, improving overall adaptability.
Some models are equipped with copper unions, enhancing both structural durability and corrosion resistance, which is ideal for high-demand installations. All-plastic options are lighter and offer strong chemical resistance, suitable for specific conditions where metal fittings are less optimal.
Manufactured from high-quality PPR material, these manifolds are heat-resistant, pressure-resistant, and long-lasting. Their environmentally friendly composition supports energy-efficient, sustainable building standards, making them a preferred solution for modern plumbing systems.
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

