



Our reducing cross-bridge is a high-performance connector designed for pipeline systems. It is mainly used to achieve effective connection and size conversion of multi-directional pipelines. The product is made of polypropylene random copolymer (PPR) material, which has corrosion resistance and high temperature resistance, ensuring stable operation under various working conditions. The reducing design enables pipes of different diameters to be seamlessly connected to meet the needs of complex pipeline layout.
The product has a compact structure and high processing precision. The connection parts are welded by hot melt welding to ensure sealing and connection strength and avoid leakage risks. The cross-bridge structure provides four outlets, which can realize the distribution or collection of multi-directional fluids. It is suitable for various scenarios such as water supply, drainage and HVAC systems. The reducing port design not only simplifies the pipeline layout, but also effectively saves installation space and material costs.
During the production process, the reducing cross-bridge undergoes strict quality control, including raw material testing, dimensional inspection and pressure testing, to ensure that each product meets industry standards and customer needs. Its pressure rating and service life have been verified, suitable for long-term use and easy maintenance. As a manufacturer, we focus on the stability and compatibility of our products to meet the stringent requirements of various complex engineering projects.




The D25 Equal PPR Coupling is a pipe fitting designed for connecting polypropylene random copolymer (PPR) pipes with a nominal diameter of 25 millimeters, ensuring uniform diameter connections within piping systems. Manufactured from high-quality PPR material, it offers corrosion resistance and high-temperature tolerance, making it suitable for both hot and cold water piping systems. Its equal diameter design guarantees smooth fluid flow, minimizing flow resistance and pressure loss.
During production, the coupling undergoes strict quality control and multiple inspections to ensure dimensional accuracy and material consistency, complying with relevant industry standards. The product’s pressure rating meets national requirements, capable of withstanding typical operating pressures in residential, commercial, and industrial water supply and drainage systems. The coupling’s interface is engineered for easy installation and removal, enhancing construction efficiency and reducing maintenance costs.
Furthermore, the D25 Equal PPR Coupling exhibits strong mechanical strength and impact resistance, resisting deformation and cracking, thereby extending the service life of the piping system. It is environmentally friendly and non-toxic, meeting modern building material safety standards. Compatible with various PPR piping systems, it is widely used in municipal engineering, building water supply, HVAC, and other applications, serving as a reliable choice for pipe connections.




D50x1/2 Female Threaded PPR Coupling is manufactured from high-quality polypropylene random copolymer (PPR), providing corrosion resistance and high-temperature tolerance. It is designed to meet international standards and is suitable for both hot and cold water piping systems, capable of withstanding standard household and industrial water pressures to ensure long-term stable operation.
The internal threads of the coupling are precisely machined to exact dimensions, ensuring a tight fit with external threaded pipes and effectively preventing leakage. Its structural design facilitates easy installation, reducing construction time and lowering installation costs. The high density and uniformity of the material contribute to good mechanical strength and impact resistance, allowing the coupling to perform reliably under various complex conditions.
This female threaded coupling is compatible with multiple standard pipe types, offering strong sealing performance and wear resistance, making it suitable for residential, commercial, and industrial piping retrofit projects. The product undergoes strict quality control and testing, complying with relevant safety and environmental standards to ensure user safety and reliability.




The PE&PB D25 Pipe Adapter is manufactured using high-quality polyethylene (PE) and polybutylene (PB) materials, ensuring an efficient and stable seal between different types of pipes. This product is designed to meet industry standards and is suitable for various systems such as water supply and heating, capable of withstanding specific pressure and temperature variations to guarantee long-term operational safety and reliability.
The adapter’s dimensions are precisely controlled, with the D25 size matching mainstream pipe diameters on the market for a tight fit and easy installation. The connection interfaces are specially treated to enhance bonding strength between pipes, reducing leakage risks and facilitating disassembly and maintenance. A rigorous quality control process during manufacturing ensures uniform structure and consistent performance in each adapter, meeting demanding engineering requirements.
During use, the adapter demonstrates corrosion resistance and aging durability, adaptable to diverse water qualities and environmental conditions, thus extending its service life. Its design balances ease of installation with system compatibility, making it suitable for various pipeline system modifications and maintenance tasks, ultimately improving the overall efficiency and stability of the system.




PPR&PE Pipe Adapter (PPR-PE D25 Pipe Adapter) is a pipeline fitting specially designed to connect PPR pipes with PE pipes, widely used in hot and cold water pipeline systems. Manufactured from high-quality polypropylene random copolymer (PPR) and polyethylene (PE) materials, it ensures sealing integrity and durability at the connection points. The structural design allows reliable joining of different pipe materials, meeting the installation requirements of various pipeline systems.
The product undergoes rigorous quality control processes to guarantee dimensional accuracy and material performance consistency. The adapter’s interfaces are precisely machined to ensure a tight seal during installation, effectively preventing leakage. With heat resistance and corrosion resistance, it is suitable for residential, commercial, and industrial pipeline systems, capable of withstanding long-term water pressure and temperature variations, ensuring the safety and stability of system operation.
Installation is convenient and efficient, compatible with multiple pipe diameter specifications, saving construction time. The adapter is suitable for hot melt or electrofusion connection methods, requiring no additional sealing materials during installation, ensuring a firm and reliable joint. The product design fully considers pipeline pressure and fluid flow characteristics, ensuring efficient operation and extended service life of the entire piping system.




As the manufacturer, our Y-Type Pipe Strainers (PPR D25 Y-Type Pipe Strainers) are made from high-quality polypropylene random copolymer (PPR), ensuring corrosion resistance and mechanical strength for long-term use. Designed specifically for pipeline systems, they are suitable for water treatment and other fluid conveyance applications, effectively blocking impurities to protect downstream equipment from particle damage and extend system service life.
The product features a well-engineered structure with the Y-shaped filter positioned for easy installation and cleaning. Maintenance is straightforward without the need for extensive pipe disassembly. The filter mesh has uniform aperture size, precisely filtering impurities of the required size to ensure smooth fluid flow and stable system operation. The chemical stability of PPR material makes it compatible with various media, while its temperature resistance meets standard requirements to accommodate different operating conditions.
Through strict manufacturing processes and quality control, we ensure each Y-type strainer has precise dimensions and sealing performance, with no leakage risk after installation. The strainer fits standard D25 pipe diameters, allowing seamless integration with existing piping systems. Additionally, the product complies with relevant industry standards and is suitable for a wide range of industrial and domestic water filtration needs, offering broad application potential.




The PPR Pipe Clamp is a specialized fastening component designed specifically for PPR piping systems, aimed at ensuring stable installation and long-term reliable operation of the pipelines. Manufactured from high-strength engineering plastics or corrosion-resistant metals, the product offers mechanical properties and weather resistance, suitable for both indoor and outdoor applications.
The product features a well-engineered structure that provides uniform clamping force, effectively preventing pipe displacement or loosening caused by vibration or temperature changes. Its installation is straightforward, allowing for quick and secure fixing of PPR pipes with corresponding sizes, which helps reduce construction time and labor effort. The clamp’s open design facilitates easy removal and maintenance, supporting flexible adjustments and replacement within the piping system.
In terms of quality control, the pipe clamp undergoes rigorous physical and chemical performance tests to ensure stability and safety under pressure, temperature fluctuations, and prolonged use. The manufacturing process is precise, with accurate dimensions and strong compatibility, meeting the requirements of various pipe diameters and installation environments. Widely used in residential, commercial, and industrial piping systems, the pipe clamp is a critical accessory for ensuring the safe operation of PPR pipelines.




The PPR Φ25 Pipe End Cap is a high-performance closure component specifically designed for PPR piping systems, primarily used to seal the ends of pipes to prevent medium leakage and intrusion of contaminants. Manufactured from polypropylene random copolymer (PPR) material, it offers corrosion resistance and high-temperature tolerance, ensuring long-term stable operation in typical hot and cold water supply environments.
The end cap is precisely sized to fit the Φ25 PPR pipe, guaranteeing a secure seal while enabling straightforward and efficient installation. It is firmly joined to the pipe using heat fusion technology, maintaining the integrity and safety of the piping system. Its smooth internal surface minimizes fluid resistance, aiding in the smooth operation of the pipeline.
This product complies with relevant industry standards and undergoes rigorous quality control tests, including compressive strength, heat resistance, and sealing performance, ensuring each end cap delivers outstanding performance and durability in practical applications. It is suitable for residential, commercial, and industrial water supply and drainage systems, meeting a broad range of usage requirements.




PPR Pipe Shower Locator is a precision positioning device specifically engineered for the installation of PPR pipes. It features a compact structure, constructed from corrosion-resistant alloys and high-strength plastics to ensure long-term stability across various working conditions. Its precise mechanical design guarantees accurate positioning during pipe installation, minimizing errors and enhancing overall construction efficiency.
This locator is compatible with a wide range of PPR pipe diameters and offers straightforward installation. It includes an adjustable mechanism that allows flexible sizing to meet different site requirements and complex pipe layouts. The design prioritizes ease of use on-site, enabling quick assembly and disassembly, thus saving valuable installation time.
In terms of performance, the PPR Pipe Shower Locator exhibits wear resistance and impact strength, capable of withstanding common mechanical stresses encountered during construction. Strict quality control and testing ensure consistent reliability and performance, delivering dependable results with every use. The product complies with industry standards and safety regulations, making it suitable for professional pipe installation teams.




The Male Thread PPR Pipe Plug End Cap with Butterfly is a high-performance fitting specifically engineered for PPR piping systems, manufactured from premium polypropylene material to ensure corrosion resistance and high-temperature tolerance. The product is produced using precise injection molding technology with dimensions strictly conforming to international standards, guaranteeing a reliable and leak-proof seal during installation. Its extended design enhances the sealing capability at the pipe end, effectively preventing medium leakage.
The double-ear structure facilitates manual operation and disassembly while providing improved grip strength during installation, thereby increasing construction efficiency. The finely machined internal threads ensure a tight and seamless connection with PPR pipes, effectively avoiding leaks and loosening caused by insufficient fastening. It is suitable for hot and cold water systems, industrial water, and various other piping applications, capable of withstanding high working pressures and temperature fluctuations.
Moreover, the butterfly wing design helps distribute torque evenly, reducing damage to the fittings during installation and extending the service life of the piping system. Each unit undergoes rigorous quality testing to ensure compliance with industry standards and customer requirements. This product is ideal for bulk procurement and engineering projects, offering a dependable solution for pipe sealing.




The Pipe Assembling Connecting Rod is a precisely manufactured mechanical component designed specifically for connecting and supporting piping systems. Made from high-quality alloy steel, it is produced through advanced forging and CNC machining processes to ensure dimensional stability and mechanical strength. Its surface undergoes specialized treatment to provide corrosion resistance and wear resistance, making it suitable for various demanding environments.
The connecting rod features a well-engineered design that effectively distributes stress at pipe joints, enhancing the overall stability and safety of the structure. The interfaces are controlled with tight tolerances to ensure a precise fit with pipes and related accessories, minimizing assembly errors and improving system sealing and durability. Installation is straightforward and efficient, supporting multiple mounting methods to accommodate different piping configurations.
Moreover, the Pipe Assembling Connecting Rod offers strong fatigue resistance and high-temperature tolerance, making it applicable in industries such as petrochemical, shipbuilding, and construction. Throughout the manufacturing process, strict quality management systems are implemented to ensure that each connecting rod meets international standards and fulfills customers’ requirements for high-performance connecting components.
PPR Hot Melt Pipe Fittings are made from high-quality polypropylene material, offering resistance to high temperatures and pressure. They are suitable for both hot and cold water systems, providing a reliable and durable solution for residential and commercial plumbing applications.
The hot melt welding process makes installation fast and efficient. When heated, the pipe and fitting fuse into a single, solid piece, ensuring a leak-proof connection and long-lasting structural integrity over time.
This product series includes a wide variety of sizes and fitting types to accommodate different piping layouts. Whether it's couplings, elbows, tees, or adapters, each fitting is precisely engineered to allow flexible installations, even in complex environments.
PPR hot melt fittings are environmentally friendly and non-toxic, meeting the hygiene standards for drinking water. Their strong resistance to corrosion and scale buildup keeps water clean and supports a healthy plumbing system.
The fittings also feature a clean, smooth appearance with consistent color, reflecting the precision of advanced manufacturing. Each piece undergoes strict quality inspection to ensure stable performance and customer satisfaction.
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

