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  • PVC-U Reducer
  • PVC-U Reducer
  • PVC-U Reducer
  • PVC-U Reducer

PVC-U Reducer

Brand: 
Zhongjia

Material: 
PVC-U

Size: 
φ25x20mm-φ400x355mm

Technique: 
Injection moulded

Connector type: 
Socket

Color: 
Light gray, Dark gray, White

Standard: 
DIN standard

Nominal Pressure: 
PN10

Origin: 
China

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  • Description

  • Additional info.

  • Size Guide

  • Reducer couplings are used to join together two pieces of metric PVC pipe of different diameters. PVC solvent cement should be used along with cleaner to bond the pipes and fitting together.


    Product Features and Advantages:
    ● Non-toxic: no heavy metal additives, will not be covered by dirt or contaminated by bacteria.
    ● Corrosion resistance: resist chemical or electronic chemical corrosion.
    ● Reduce installation cost: light weight and easy to install, compared with metal piping system, installation cost can be reduced by up to 50%.
    ● Higher flow rate: Compared with metal pipes, the smooth inner wall can reduce pressure loss and volume.
    ● Lifespan: It can be used for more than 50 years under correct use conditions.
    ● Recycling and environmentally friendly.

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About Us
Changzhou Zhongjia Plastic Industry Co., Ltd.
Changzhou Zhongjia Plastic Industry Co., Ltd. was established in 2006. It is an enterprise specializing in the research, development, production and sales of UPVC, CPVC plastic pipe fittings and valve products. As China UPVC Reducer Coupling Manufacturers and Custom UPVC Reducer Coupling Suppliers.Our featured products are plastic products such as UPVC/CPVC pipes, pipe fittings and valves. At present, we mainly supply industrial and water supply series pipes, pipe fittings and valves that meet national standards, American standards. Our products are sold to Southeast Asia, the Middle East, Africa, North America, South America, and are widely used in industry, agriculture, construction and other fields.
Our company is located in the Xueshuxiang Industrial Concentration Zone, Yaoguan Town, Wujin District, Changzhou City, Jiangsu Province. The area is close to the Shanghai-Chengdu Expressway for 10 kilometers, the Yangtze River Expressway for 15 kilometers, the Changzhou High-speed Railway Station for 15 kilometers, and Shanghai for 160 kilometers. It has convenient transportation and environment.
The company covers an area of 50,000 square meters and has an annual production capacity of more than 30,000 tons. The company has passed ISO9001, ISO14001, and OHSAS18001 system certification. It has 4 raw material mixers, 60 plastic injection molding machines, 8 pipe extrusion production lines, 10 mechanical processing equipment, and more than 3,000 sets of molds. At present, we have 150 employees, including 10 technicians. With the continuous development and increasing internationalization of the company, we are committed to attracting talents and preparing for vigorous development.
The company adheres to the market-oriented, quality-oriented, service-oriented, introduces advanced production equipment and technology, makes products, creates brands, and has won the trust and recognition of customers. It has now become one of the green and vital pipeline production enterprises at home and abroad. We will always focus on customer satisfaction, follow the business principles of "modernization, youth, and knowledge", strive to catch up with the advanced level of the same industry at home and abroad, and strive to create a Chinese brand.
We sincerely welcome domestic and foreign customers to our company to discuss cooperation!
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PVC-U Fittings for Water Supply Industry knowledge

Why Proper Cleaning and Preparation Are Essential for Long-Lasting UPVC Connections
Proper cleaning and preparation are critical to ensuring the longevity and effectiveness of UPVC connections, including reducer couplings. These components are designed to create secure and leak-proof joints between pipes of varying diameters, and their performance depends significantly on the quality of installation. Cleaning the pipes and fittings thoroughly before bonding is essential to remove dust, grease, or debris that could compromise the adhesive's effectiveness. Using a specialized PVC cleaner ensures that the surfaces are primed for optimal adhesion, allowing the solvent cement to create a strong, durable bond.
At Changzhou Zhongjia Plastic Industry Co., Ltd., we emphasize the importance of meticulous preparation in all our products. Our UPVC reducer couplings, crafted from high-quality, non-toxic materials, feature smooth inner walls and corrosion-resistant surfaces, minimizing potential issues during installation. This design advantage, combined with proper cleaning and preparation, not only ensures a tight connection but also enhances flow efficiency by reducing pressure loss and preventing blockages. By following recommended installation practices, customers can achieve a reliable and long-lasting connection that meets the demands of modern plumbing systems.
Beyond installation, proper preparation also extends the lifespan of UPVC connections. Ensuring a clean, well-bonded joint helps prevent leaks, chemical corrosion, and wear over time. Our commitment to high-quality manufacturing, supported by certifications like ISO9001 and state-of-the-art equipment, guarantees that every reducer coupling we produce is engineered for durability and performance. Paired with rigorous installation techniques, these advantages translate into systems that are not only cost-effective but also environmentally friendly, as they are fully recyclable and maintain their integrity for decades under appropriate use.

Why Choose UPVC Over Traditional Metal Couplings for Plumbing Applications?
When choosing between UPVC and traditional metal couplings for plumbing applications, UPVC offers distinct advantages that make it the preferred option for modern systems. One of the most significant benefits of UPVC couplings, such as our reducer couplings, is their resistance to corrosion. Unlike metal fittings that are prone to rust and chemical degradation over time, UPVC products are designed to withstand exposure to a wide range of chemicals and environmental conditions, ensuring durability and consistent performance. This resistance translates into fewer maintenance needs and longer service life, making UPVC a cost-effective choice for both residential and industrial projects.
In addition to durability, UPVC couplings are lightweight and easy to install compared to their metal counterparts. This reduces the labor and transportation costs associated with installation, saving up to 50% on overall expenses. Our UPVC reducer couplings, manufactured using state-of-the-art equipment and certified to meet international quality standards, are designed with smooth inner walls that minimize pressure loss and enhance flow efficiency. These features not only improve the performance of the plumbing system but also simplify handling and assembly, making them ideal for a wide range of applications.
As a manufacturer and supplier with extensive experience, we understand the challenges faced by plumbing professionals and strive to provide products that deliver reliability and efficiency. The superior corrosion resistance, cost-effectiveness, and sustainability of UPVC couplings make them a clear choice over traditional metal options. By selecting UPVC for your plumbing needs, you invest in a solution that combines performance with practicality, offering long-term benefits for both users and the environment.