
Our PVC Pointed Screw Pipe Clamp is engineered for modern piping systems, constructed from high-strength PVC material that delivers exceptional corrosion resistance and anti-aging performance. This material ensures long-term stability in damp, acidic, or alkaline environments, resisting cracking and deformation. Its smooth, compact structure not only enhances visual appeal but also protects the outer surface of pipes during installation and use.
The pointed screw design is the key innovation of this clamp, enabling self-tapping fixation by simply rotating the screw. It secures directly into various substrates without pre-drilling, significantly accelerating installation and reducing labor costs. This feature makes it ideal for large-scale piping projects where speed and efficiency are critical. The sharp tip ensures a strong grip, preventing loosening or detachment over time.
Available in multiple sizes ranging from D50 to D200, the clamp accommodates common pipe diameters and is compatible with standard M8 to M10 bolts. Each size is precision-molded and rigorously tested to guarantee dimensional accuracy and reliable fit. Whether for drainage, ventilation, or cable protection conduits, there is a suitable model to ensure seamless integration and consistent performance across applications.
Packaged in standardized cartons, the product offers optimized quantities per box for efficient storage and logistics. D50 comes 500 per box, D75 with 250, D110 with 240, D160 with 200, and D200 with 160. This configuration balances usage frequency with space efficiency, supporting bulk handling and on-site distribution while streamlining inventory management.

PVC Reinforced Vertical Pipe Cleanout is a high-quality accessory specifically designed for modern drainage systems. Made from premium PVC material, it offers exceptional durability and corrosion resistance, ensuring long-term performance under various conditions.
This product features reinforced construction to withstand high pressure and harsh environments, making it ideal for demanding applications. With a diameter specification of 110 millimeters, it is clearly marked for easy installation and maintenance. The unique design enhances cleaning efficiency in pipe systems while providing convenient access for routine inspections and repairs, effectively minimizing disruptions caused by blockages.
The clean and sleek appearance of the cleanout ensures seamless integration with any architectural style, making it an choice for contemporary buildings. Packaging includes 30 units per box, suitable for bulk purchases and large-scale projects.

The PVC Flat Offset Pipe is a high-performance drainage solution designed for modern construction and municipal projects, with a unique flat profile that excels in space-constrained environments. Manufactured from premium-grade PVC, it offers outstanding resistance to corrosion, aging, and deformation, maintaining reliable performance even under prolonged exposure to moisture or chemical contact. The smooth interior surface significantly reduces flow resistance, enhancing drainage efficiency while minimizing the risk of blockages.
Compared with conventional round pipes, the flat offset design effectively saves vertical space, allowing seamless parallel installation alongside other utility lines and enabling more efficient spatial planning. Its geometry provides exceptional flexibility for routing through walls, beams, or ceiling cavities, making it ideal for concealed installations in residential, commercial, and underground applications. Available in D60×35 mm and D110×60 mm sizes, with lengths of 2 m and 4 m, it accommodates diverse project requirements.
Installation is quick and straightforward, requiring only standard PVC solvent cement to create strong, leak-proof joints—no special tools needed. Its lightweight nature ensures easy handling, reduces labor intensity, shortens construction timelines, and minimizes structural load. Non-toxic and odorless, the pipe meets national environmental and safety standards, making it suitable for residential wastewater systems. The manufacturing process is energy-efficient, and the material is fully recyclable, aligning with sustainable building practices.

PVC Flat Reducing Insert primarily used to facilitate smooth transitions between pipes of different diameters. This product is made from high-quality PVC material, offering corrosion resistance and anti-aging properties, suitable for both indoor and outdoor environments. Its flat design not only saves space but also effectively reduces water flow resistance, enhancing the overall efficiency of the piping system.
The specifications of this product are D110x50 millimeters, meaning it can seamlessly connect pipes with a diameter of 110 millimeters to those with a diameter of 50 millimeters, ensuring smooth water flow. Each package contains 100 inserts, making it ideal for bulk purchases and large-scale installation projects. Additionally, the lightweight and easy-to-process nature of PVC makes the installation process simple and quick, requiring minimal tools or expertise—simply insert it to complete the connection.
In practical applications, this PVC Flat Reducing Insert is widely used in various fields such as construction, industry, and agriculture, particularly excelling in drainage systems, water supply systems, and rainwater collection systems. Its environmentally friendly characteristics align with modern green building requirements, while its cost-effective pricing makes it a preferred choice for many users.

PVC Flat Independent Offset is a high-quality plastic pipe fitting specifically designed for drainage systems. Made from polyvinyl chloride (PVC), this product offers corrosion resistance and anti-aging properties, making it suitable for various indoor and outdoor drainage projects. Its unique flat design not only saves space but also provides flexibility to accommodate complex pipeline layouts.
This PVC Flat Independent Offset comes in multiple specifications, including 2.5mm, 5mm, 7.5mm, 10mm, and 12.5mm, catering to the diverse requirements of different construction projects. Each specification undergoes rigorous quality testing to ensure sealing performance and durability during use. Additionally, the packaging specifications are well-designed, with 48 pieces per box for both 2.5mm and 5mm sizes, 36 pieces for 7.5mm, and 30 pieces each for 10mm and 12.5mm, facilitating procurement and installation by construction workers based on actual needs.
The PVC Flat Independent Offset is widely used in residential, commercial buildings, industrial facilities, and municipal drainage systems. Its flat structure is particularly suitable for narrow spaces or situations requiring special angle connections, effectively reducing the space occupation issues caused by traditional round pipes. Furthermore, the product features flexibility and impact resistance, ensuring long-term stable operation in various harsh environments and guaranteeing the efficiency and reliability of drainage systems.

This PVC toilet drainage shifter is specifically engineered to address directional alignment challenges in bathroom drainage pipe installations, particularly useful in scenarios where space constraints or non-standard plumbing layouts require re-routing of the drain line. Constructed from high-grade PVC material, the product offers resistance to corrosion and aging, maintaining structural integrity even under prolonged exposure to wastewater and humid environments. The material is non-toxic, odorless, and complies with national environmental standards, making it safe for use in both residential and public sanitary systems.
The unit features a standard 110mm diameter, ensuring compatibility with conventional toilet drain pipes and facilitating seamless integration into existing plumbing setups. Each carton contains 30 units, ideal for bulk orders and large-scale renovation projects, enhancing logistical efficiency and reducing downtime during installation. The internal passage is hydraulically optimized with a smooth inner surface that minimizes flow resistance, reducing the risk of clogs and sediment buildup while promoting consistent and efficient drainage performance. The connection ends are precision-molded to exact dimensions, enabling tight, leak-free joints when bonded with PVC solvent cement or paired with rubber seals.
Its primary function is to enable flexible redirection of wastewater flow, supporting 90-degree or 180-degree angular adjustments during installation. This makes it particularly valuable for retrofitting wall-mounted or floor-mounted toilets where the existing drain outlet does not align with the fixture. By allowing plumbers or homeowners to redirect the drainage path without extensive structural modifications, the shifter significantly reduces the need for breaking tiles or reconstructing floors, thereby cutting down on labor and renovation costs. Installation is straightforward and does not require specialized tools—users simply clean the surfaces, apply adhesive, and connect the components securely.
In practical applications, this shifter is widely adopted in residential bathrooms, hotels, office buildings, and other commercial facilities undergoing renovation or new construction.

Our PVC Leak Repair Patch made from high-quality PVC material, this product offers corrosion resistance and anti-aging properties, effectively extending the lifespan of your pipes. It is suitable for various diameters of PVC pipes, including D75, D110, and D160, catering to different application scenarios.
The design of the PVC Leak Repair Patch is simple yet practical, making it easy to install and operate. Its unique arc-shaped structure ensures a tight fit against the pipe surface, providing reliable sealing performance to prevent water leakage. Each patch undergoes rigorous quality inspection to ensure waterproofing and durability. Whether used in household water systems, industrial drainage pipes, or agricultural irrigation systems, this repair patch offers a dependable solution.
Furthermore, our PVC Leak Repair Patch is packaged thoughtfully for convenient storage and transportation. The number of patches per box varies by size: 310 pieces for D75, 84 pieces for D110, and 70 pieces for D160, fully meeting the needs of users for projects of different scales. By choosing our PVC Leak Repair Patch, you will receive an economical and effective tool for pipe maintenance, effortlessly resolving various leakage issues.

PVC Siphonic Roof Drain ensuring long-term durability against harsh weather conditions and chemical exposure. With a diameter specification of 110 millimeters and each carton containing 12 units, it is ideal for various building projects requiring effective roof drainage solutions.
The key advantage of the siphonic roof drainage system lies in its highly efficient water discharge capability. By utilizing the unique siphon principle, this drain pipe can rapidly remove large volumes of rainwater in a short period, effectively preventing roof water accumulation and reducing the risk of structural damage and safety hazards. Additionally, the lightweight design of the PVC material simplifies installation, making it easier and more cost-effective to implement.
In terms of appearance, the drain pipe features a sleek and streamlined design with a smooth surface free of visible defects, enhancing overall aesthetics while also facilitating easy cleaning and maintenance. Its internal structure is meticulously engineered to ensure smooth water flow and minimize the risk of blockages.

The PVC Same-Floor Collector is a highly efficient drainage accessory specifically designed for modern building drainage systems. It is primarily used to address the centralized collection and discharge of wastewater in high-rise buildings. Made from premium-quality PVC material, this product offers corrosion resistance and anti-aging properties, ensuring long-term durability in various complex environments.
With a specification of D75x50mm, the collector is compact and robust, making it suitable for installation in confined spaces. Its unique three-way design allows water to flow smoothly from multiple directions into a single outlet, significantly enhancing drainage efficiency and minimizing the risk of blockages. Additionally, the surface of the product has been meticulously processed to be smooth and flat, facilitating easy cleaning and maintenance while reducing the accumulation of dirt and bacteria.
Installation of the PVC Same-Floor Collector is straightforward, requiring only standard pipe connection procedures. It is applicable to various types of drainage systems, including those in kitchens, bathrooms, balconies, and other areas with drainage requirements. Each carton contains 20 collectors, making it convenient for bulk purchasing and construction use.

Our product, the "15cm PVC Reinforced Water Stop Collar," is a high-quality waterproof sealing component specifically designed for underground engineering, construction projects, and water conservancy works. Made from PVC material and reinforced through special processes, this water stop collar boasts corrosion resistance and anti-aging properties, ensuring long-term stability in harsh environments. Its unique structural design effectively prevents the penetration of groundwater or other liquids, guaranteeing construction quality and safety.
This product is suitable for various pipe diameters or structural interfaces, with specifications including D50, D75, D110, and D160 millimeters, catering to diverse project requirements. Each specification undergoes rigorous quality inspection to ensure dimensional accuracy and sealing effectiveness. Additionally, the packaging design is optimized for easy transportation and storage, with specific quantities per box as follows: 180 pieces for D50, 112 pieces for D75, 60 pieces for D110, and 24 pieces for D160.
In practical applications, the 15cm PVC Reinforced Water Stop Collar is widely used in subway tunnels, underground garages, sewage pipelines, and water conservancy facilities. Its reliable sealing performance and durability significantly enhance the waterproofing effect of engineering projects and reduce maintenance costs in the long run.

The PVC Rotatable Straight-Elbow Connector is widely used in construction, industrial, and municipal engineering projects. Made from high-quality PVC material, this product offers corrosion resistance and anti-aging properties, ensuring long-term stable performance in various harsh environments. Its unique rotatable design provides flexibility in installation, allowing it to accommodate different angles of pipe connections, significantly improving construction efficiency.
The connector comes in three sizes: D50, D75, and D110, corresponding to different pipe diameters to meet the needs of various applications. The packaging quantities are 160 pieces per carton for D50, 90 pieces per carton for D75, and 40 pieces per carton for D110, making it convenient for users to purchase and store according to their requirements. The surface of the product has been finely processed, smooth and flat, ensuring a tight fit with pipes and effectively preventing leaks.
Furthermore, the PVC Rotatable Straight-Elbow Connector features flexibility and strength, capable of withstanding pressure while maintaining structural stability.

The 15cm PVC Reinforced Water Stop Collar is a high-performance sealing product designed specifically to prevent water leakage, commonly used in various construction projects, particularly in underground pipelines, tunnels, and hydraulic facilities that require watertight integrity. Made from high-quality PVC material, this collar offers resistance to corrosion and aging, ensuring stability and reliability over long-term use. Its design addresses the practical needs of construction, providing waterproof performance even in complex environments.
The collar features a reinforced structure that enhances its pressure resistance and sealing capability. The spiral design allows it to fit tightly with pipes, creating a strong seal that further improves its waterproof effect. The packaging quantity varies according to the specifications, making it easy to choose and transport based on specific requirements. The D50 specification comes with 180 pieces per carton, D75 with 112 pieces, D110 with 60 pieces, and D160 with 24 pieces.
During installation, the 15cm PVC Reinforced Water Stop Collar is easy to handle and highly adaptable, fitting a wide range of pipe systems. It is compatible with various pipe materials such as concrete, plastic, and other common pipe connections, providing long-lasting watertight protection. This makes it an essential accessory for construction and engineering projects.

This PVC rotatable straight elbow connector is made of high-quality PVC material, which has corrosion resistance and anti-aging properties, and can work continuously in various harsh environments for a long time. Its unique rotatable design makes the installation more flexible and can adapt to the pipe connection needs of different angles, greatly improving construction efficiency.
The specifications of this connector include three sizes: D75, D110 and D160, which are suitable for pipes of different diameters. The packaging quantity of products of each specification is 180 pieces/box, 90 pieces/box and 48 pieces/box respectively, which meets the usage needs of projects of different sizes. The surface of the product has been finely processed and smooth, ensuring a close fit with the pipe and effectively preventing water and air leakage.
In addition, the PVC rotatable straight elbow connector also has good flexibility and strength, and can maintain the structure stability while withstanding high pressure. Its lightweight and easy-to-operate characteristics make the installation process simpler and faster, reducing labor costs and time investment.

Our PVC ventilation valves have chemical resistance and UV resistance, ensuring that they remain structurally complete and functionally stable during long-term exposure to moisture, acid and alkali or outdoor environments. The product is formed through precision injection molding. The overall structure is dense and sealed. It can effectively prevent air backflow and external pollutants from invading. It is suitable for various installation scenarios such as building roofs, walls, pipeline systems, and industrial exhaust equipment. Its lightweight but sturdy nature makes the installation process extremely convenient, without complex tools or additional support structures, and can be embedded directly into PVC pipes or vents for quick connection and secure fixation.
The product is available in a variety of standard caliber specifications, including D75, D110, D160, D200 and D250 mm, to meet the different flow requirements from small residential ventilation to large factory exhaust systems. Each specification undergoes rigorous stress testing and airtightness testing to ensure stable operation under continuous airflow shock. For example, the D75 model packs 140 pieces per box, which is suitable for high-density procurement and batch construction projects; the D110 model packs 60 pieces per box, taking into account transportation efficiency and flexibility of use; while the larger diameter D160, D200 and D250 models pack 30, 18 and 18 pieces per box, which facilitates orderly management and on-site distribution in heavy-duty projects. All products are packaged in anti-pressure damage cartons, and internal compartments are added to protect them to avoid deformation or scratches caused by collision during transportation.
In practical applications, the ventilation valve exhibits natural ventilation and regulation capabilities, relying on the air pressure difference to automatically turn on and close the valve plate, without electric power driving, and is energy-saving and environmentally friendly. The valve plate design adopts a one-way flip structure, with a reasonable opening angle and low airflow resistance, which can significantly improve ventilation efficiency and effectively prevent rainwater, dust and small animals from entering the pipeline system. The smooth surface of PVC material is not only easy to clean and maintain, but also has good flame retardant performance and meets the requirements of building safety regulations.

The PVC N Pipe Fitting is a versatile connection accessory widely used in drainage, water supply, and industrial piping systems. Its distinctive "N" shape design features two straight-through ports at the ends and one vertical branch port in the middle, making it ideal for applications requiring three-way分流 or convergence in pipe layouts. The product is manufactured from high-quality polyvinyl chloride (PVC) material, offering corrosion resistance and anti-aging properties, ensuring long-term stability even in harsh environments.
The specifications are D110x75x110 millimeters, indicating that the main port diameter is 110 millimeters, the vertical branch port diameter is 75 millimeters, and the overall length is 110 millimeters. This size is suitable for medium to small-scale piping systems, ensuring smooth water flow and preventing leaks. Each carton contains 18 fittings, facilitating bulk purchasing and construction use.
The manufacturing process of the PVC N Pipe Fitting strictly adheres to industry standards, resulting in a smooth and flawless surface free of bubbles and impurities, guaranteeing high quality and reliability. Installation is simple, requiring only specialized glue or hot melt welding for quick connections, significantly improving construction efficiency. Additionally, the product has pressure-bearing capacity, capable of withstanding high water pressure, making it suitable for drainage and water supply systems in residential, commercial buildings, and industrial facilities.

PVC M-type pipe fittings are widely used pipe connection fittings in building, industrial, and municipal engineering. Made of high-quality polyvinyl chloride (PVC) material, they possess excellent corrosion resistance, aging resistance, and good mechanical properties. This product is suitable for conveying water, gas, and other non-corrosive media, and is particularly suitable for use in drainage systems, water supply systems, and industrial pipelines.
This PVC M-type pipe fitting is designed according to international standards, with dimensions of D110×110×110 mm, and each box contains 10 fittings. Its unique M-type structure allows for tee connections, facilitating branching or junctioning of pipeline systems. The product surface is smooth, free of bubbles and impurities, ensuring sealing and reliability during installation. Furthermore, the lightweight nature of PVC material makes installation easier, reducing construction difficulty and costs.
During the production process, we strictly control product quality, employing advanced production processes and precision mold manufacturing technology to ensure that the dimensional accuracy and appearance quality of each fitting meet high standards. Simultaneously, the products undergo rigorous testing, including pressure testing and durability testing, to ensure their stability and durability under various environmental conditions.
Suban PVC Drainage Piping System
Our PVC drainage system delivers:
• Superior Impact Resistance – Withstands physical stress during installation and use
• Enhanced Durability – Excellent chemical resistance and high tensile strength
• Optimized Flow Performance – Smooth inner walls and seamless adhesive connections prevent clogging
• Reinforced Structural Stability – fittings feature integrated stiffeners for added rigidity
Suban Low-Noise Helix Drainage Series
• Featuring innovative spiral design for acoustic and hydraulic performance:
• Ultra-Quiet Operation – Noise levels below 45 dB, ideal for residential applications
• High-Speed Drainage – DN110 flow rate of 6L/S (2x conventional PVC pipes)
• Advanced Water Seal – Balanced air pressure prevents odor backflow
• Helical Flow Technology – Interior spiral structure creates rotational flow for faster, quieter drainage
• Key Advantages:
✔ Polar-Grade Reliability – Tested in conditions
✔ Easy Installation – Lightweight yet durable construction
✔ Eco-Friendly – recyclable materials
Applications:
• High-rise residential buildings
• Commercial complexes
• Hospital and laboratory drainage systems
• Industrial wastewater management
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

