PVC Decentered Reducing Coupling is a high-quality accessory specifically designed for pipe connections, particularly suitable for scenarios where pipes of different diameters need to be joined. This product features an advanced eccentric design that effectively reduces flow resistance, ensuring smooth fluid movement within the pipes while minimizing noise and vibration, thereby enhancing the overall system efficiency.
The product comes in various specifications, including D75×50, D110×50, D110×75, and more, catering to diverse engineering requirements. Its unique eccentric structure allows smaller diameter pipes to seamlessly connect to larger diameter pipes without the need for additional transition pieces, simplifying the installation process and saving time and costs. Additionally, the surface of the coupling has been meticulously treated to ensure smoothness and flatness, enhancing its corrosion resistance and extending its service life.
In practical applications, this PVC Decentered Reducing Coupling is widely used in building water supply and drainage systems, industrial piping projects, and agricultural irrigation fields. Its reliable sealing performance and durability make it a preferred choice among engineers and construction personnel. Whether for new pipe installations or upgrades to existing systems, this product offers exceptional solutions.

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