Reducing coupling

PVC-U Reducing coupling is a type of pipe fitting used to change the size of the pipe. It is made from Polyvinyl Chloride (PVC), which is a hard and durable plastic. PVC-U Reducing couplings come in various sizes and pressure ratings, suitable for residential and commercial plumbing, agricultural irrigation, industrial applications, and sewer systems. Our PVC Reducing couplings are easy to install, requiring no complex tools or techniques, which significantly saves on installation time and costs. Their reliable connection performance also reduces the likelihood of failures and repair costs due to pipe connection issues, providing a strong guarantee for your engineering projects.

  • Reducing coupling
  • Reducing coupling
  • Reducing coupling
  • Reducing coupling

Product Name: PVC-U Reducing coupling
Material: PVC-U
Pressure Ratings: 1.0MPa, 1.6Mpa
Connection Methods: Socket and Spigot, Solvent Cement, Flange Connection
Colors: White, Grey, Green, etc. Custom Colors Available
Production Standard: GB/T 10002.2-2003
Density: 1.35~1.46 g/cm³
Working Temperature: -20°C to 110°C
Vicat Softening Point: ≥80°C
Longitudinal Shrinkage Rate: ≤5%
Drop Hammer Impact Test: 0°C TIP ≤5%
Hydrostatic Pressure Test: No Burst, No Leakage
Seal Test: No Burst, No Leakage
Sunlight Resistance Test: UV Resistant
Vinyl Chloride Monomer Content: ≤1 mg/kg
Flexural Strength: ≥36 MPa

Product parameter introduction
Reducing coupling
Reducing Coupling
Specification
mm
Specification
mm
25-20 160-75
32-20 160-90
32-25 160-110
40-20 160-125
40-25 160-140
40-32 180-160
50-20 200-110
50-25 200-125
50-32 200-160
50-40 200-180
63-20 225-110
63-25 225-125
63-32 225-160
63-40 225-200
63-50 250-110
75-32 250-160
75-40 250-200
75-50 280-110
75-63 280-160
90-50 280-200
90-63 280-250
90-75 315-110
110-50 315-160
110-63 315-200
110-75 315-250
110-90 355-200
125-63 355-250
125-75 355-315
125-90 400-200
125-110 400-250
140-90 400-315
140-110 400-355
Product advantages

1. PVC reducing coupling are specifically designed for connecting PVC pipes of different diameters, ensuring a smooth, seamless connection at the joint. This seamless connection is not only aesthetically pleasing but also effectively prevents fluid leakage at the connection point, thus ensuring the stable operation of the pipeline system.
2. Using PVC reducing coupling allows for easy, smooth connections between pipes of different diameters, optimizing the overall layout of the pipeline system and the efficiency of fluid transmission.
3. Our PVC reducing coupling are made from high-quality PVC material, featuring wonderful corrosion resistance, wear resistance, and pressure resistance.
4. The design of the PVC reducer is simple, and the installation process does not require complex tools or techniques. Users can easily complete the pipe connection, greatly saving on installation time and costs.
5. We offer a variety of customization services and can produce PVC reducing the coupling of various specifications and models according to different customer needs. No matter what special requirements your pipeline system has, we can provide a suitable solution for you.

Applications
01 / 03
  • Water Supply
  • Irrigation
  • Drainage
Water Supply
In the tap water supply system, PVC-reducing couplings can seamlessly connect tap water pipes of different diameters, ensuring unobstructed water flow and providing stable and reliable water supply services for homes and commercial premises. Whether it's the layout of water supply pipes in newly built residential buildings or the complex water supply networks within commercial buildings, PVC-reducing couplings can easily cope with the connection needs of different pipe diameters, making the water supply system more efficient and safe.
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Irrigation
PVC-reducing couplings seamlessly connect irrigation pipes of different diameters, ensuring uninterrupted water flow for efficient irrigation. They facilitate the connection of both main and branch pipes, creating a complete irrigation system. With wonderful corrosion resistance and aging resistance, PVC-reducing couplings operate reliably in harsh farmland environments for extended periods. This enhances the reliability of the irrigation system, minimizing leaks, blockages, and other issues associated with pipe connections, thereby improving irrigation efficiency. The high-pressure resistance of PVC-reducing couplings allows them to withstand pressure changes during irrigation system operation. This ensures a stable water supply for irrigation and enhances crop growth quality.
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Drainage
In drainage systems, drainage pipes in different areas often have different diameters, which requires connectors that can efficiently and stably connect pipes of varying sizes. PVC-reducing couplings are well-suited to meet this need, enabling seamless connections between drainage pipes of different diameters, thus ensuring the smooth operation of the drainage system. The high-pressure resistance of PVC-reducing couplings allows them to withstand the pressure changes that occur during the operation of the drainage pipes, avoiding the risk of pipe rupture or leakage.
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Color your world with excellence and innovation—Jiangyin Huada, your trusted source for premium color masterbatch, high-quality plastic pipes, and fittings.

It is because of our unwavering commitment to the pipe and pipeline industry, our emphasis on product diversity, the importance we place on product quality, and our dedication to green environmental practices and sustainable development that our brand has gradually gained recognition. Our products have earned the trust and praise of numerous customers, and our brand has become a symbol of reliability and trustworthiness.

As a professional China OEM PVC Reducing Coupling Supplier and PVC Reducing Coupling company, Our brand story is one of continuous progress and innovation. We will continue to create more value for more customers and contribute to the development of the industry. We believe that through sustained efforts and adherence to our principles, our brand will continue to shine brightly and make a mark internationally.

Jiangyin Huada Polyester Plastic Co., Ltd.
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Our products are of quality and performance, ensuring a lifespan of 50 years or more. Additionally, our wholesale and inventory partners can enjoy great value and discounts. Simply fill out an application form and contact us to avail of these discounts.

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