PVC Check Hole Nut is a high-quality product specifically designed for the construction and engineering industries, widely used in pipe connections and waterproof sealing applications. Made from premium PVC material, it offers corrosion resistance and anti-aging properties, ensuring long-term stability even in harsh environments.
In terms of appearance, the PVC Check Hole Nut has a cylindrical shape with a smooth surface and a compact structure, making it easy to install. Its unique design ensures a tight fit with pipe interfaces, effectively preventing water leakage and guaranteeing construction quality and safety. The product comes in various specifications, including D50, D75, D110, D160, and D200, catering to different pipe diameters and meeting the needs of various engineering projects.
Furthermore, the packaging design is scientifically reasonable, with each box containing different quantities of products: 540 pieces for D50, 196 pieces for D75, 135 pieces for D110, 50 pieces for D160, and 40 pieces for D200. This flexible packaging not only facilitates transportation and storage but also allows precise procurement based on actual requirements, reducing inventory costs.

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