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  • PVC-U Repair Saddle
  • PVC-U Repair Saddle

PVC-U Repair Saddle

Brand: 
Zhongjia

Material: 
PVC-U

Size: 
φ63mm-φ400mm

Technique: 
Injection moulded

Color: 
Light gray

Standard: 
DIN standard

Nominal Pressure: 
PN10

Origin: 
China

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  • Description

  • Additional info.

  • Size Guide

  • The Saddled Repaired Coupling is specifically designed to repair water mains pipes suffering from leakage due to corrosion or mechanical damage. These repaired couplings are engineered to offer a durable, long-lasting solution while ensuring ease of use, making them ideal for emergency repair situations.


    Product Features and Advantages:
    ● Sanitary. There is no heavy metal additives in PVC-U Solvent Weld Fittings and it would not be covered with dirt or contaminated by bacterium.
    ● High Flow Capacity. The smooth interior walls and low friction of PVC-U Solvent Weld Fittings result in low flow resistance and high volume.
    ● Corrosion Resistance. PVC-U Solvent Weld Fittings are non-conductors of electricity and unaffected by electrochemical reactions caused by acids, alkalis and salts that cause corrosion in metals.
    ● Low Installation Costs. PVC-U Solvent Weld Fittings are lightweight and are installed with solvent cement joint. Ease of installation reduces the installation costs.

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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 PVC-U Repaired Saddled Coupling Manufacturers and Custom PVC-U Repaired Saddled 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 Repair Saddle Industry knowledge

How Does a PVC-U Repair Saddle Provide a Reliable and Cost-Effective Solution for Damaged Water Mains?

A PVC-U Repair Saddle, also known as a PVC-U Repaired Saddle Coupling, is an essential fitting used for the maintenance and restoration of pressurized water pipelines. Manufactured from unplasticized polyvinyl chloride (PVC-U), this product offers superior mechanical strength, corrosion resistance, and an extended service life, making it one of the most dependable choices for repairing leaks or damage caused by corrosion, external pressure, or mechanical impact. The Zhongjia PVC-U Repair Saddle, conforming to DIN standards and designed for nominal pressure PN10, represents a reliable, sanitary, and economical solution for both temporary and permanent repairs of water distribution systems.

1. Product Overview

The Zhongjia PVC-U Repair Saddle is a specialized fitting designed for quick and effective repair of damaged or leaking water mains. Its primary purpose is to restore the pipeline’s integrity without needing to replace the entire section of pipe, minimizing downtime and repair costs.
The product is available in sizes ranging from φ63mm to φ400mm, suitable for a variety of pipe diameters, and is produced using injection molding technology, ensuring dimensional accuracy and consistent quality.

Its light gray color reflects the standard industrial aesthetic for water supply components, while the use of high-grade PVC-U material ensures resistance to environmental degradation and chemical attack.

2. Material Characteristics — Why PVC-U?

PVC-U (Unplasticized Polyvinyl Chloride) is one of the most widely used thermoplastics in the plumbing and waterworks industry due to its unique combination of strength, rigidity, and resistance to chemicals. Unlike traditional metallic fittings, PVC-U is non-corrosive and non-conductive, making it particularly suitable for potable water systems and environments with corrosive soils or fluids.

Key properties of PVC-U include:

  • High mechanical strength: Capable of withstanding internal pressure up to PN10 (10 bar), ensuring stable performance under demanding water flow conditions.
  • Excellent chemical resistance: Resistant to acids, alkalis, and salts, preventing deterioration over time.
  • Non-toxic and sanitary: Contains no heavy metal additives and does not leach harmful substances, maintaining water quality.
  • Smooth internal surface: Promotes efficient flow with minimal friction losses.
  • Lightweight and easy to handle: Simplifies installation and reduces labor intensity.

These material characteristics make PVC-U the preferred choice for municipal, industrial, and agricultural water supply systems.

3. Function and Application

The PVC-U Repair Saddle serves as a repair clamp or coupling that can be easily installed over a damaged section of a pipeline. Its function is to seal leaks or bypass damaged areas without removing the entire pipe. This is especially beneficial for emergency repair situations, where minimizing water loss and service interruption is crucial.

Typical applications include:

  • Municipal water distribution systems
  • Irrigation pipelines in agricultural areas
  • Industrial water supply systems
  • Cooling water pipelines
  • General plumbing networks where corrosion or external damage occurs

The saddle is secured around the pipe using a mechanical fastening system or solvent weld joint, depending on the installation design. Once fitted, it creates a tight, watertight seal that prevents further leakage and restores full operational efficiency to the system.

4. Key Features and Advantages

The Zhongjia PVC-U Repair Saddle integrates several design and performance benefits that make it stand out among other repair fittings.

a. Sanitary and Safe for Potable Water

The PVC-U material contains no heavy metals or toxic additives. It is hygienic and resistant to bacterial growth, ensuring that the water remains clean and uncontaminated during and after repair. This makes it ideal for drinking water pipelines and sanitary water systems.

b. High Flow Capacity

The smooth inner surface of PVC-U minimizes friction losses, enabling efficient water flow through the repaired section. The low friction coefficient results in lower energy consumption for pumping, making it a cost-effective choice for long-term operation.

c. Excellent Corrosion Resistance

Unlike steel or iron pipes that are susceptible to rust, pitting, and electrochemical corrosion, PVC-U is chemically inert. It withstands exposure to various chemicals, including acids, alkalis, and salts, without degrading. This property ensures the long-term durability of both the fitting and the pipeline it supports.

d. Lightweight and Easy Installation

One of the major advantages of PVC-U is its lightweight nature, which simplifies handling and installation. The Zhongjia Repair Saddle can be installed quickly using solvent cement joints, which form a strong and leak-proof connection without the need for complex tools or heavy lifting equipment. This reduces installation time and labor costs significantly.

e. Cost-Effective Maintenance Solution

Replacing an entire section of pipeline is often expensive and time-consuming. The PVC-U Repair Saddle offers a low-cost alternative by allowing targeted repairs to be made efficiently. Its durable design ensures long service life, reducing the need for frequent maintenance.

f. Environmentally Friendly

PVC-U fittings are energy-efficient to produce, recyclable, and chemically stable, contributing to sustainable water management practices. Their long lifespan reduces material waste and resource consumption.

5. Technical and Design Aspects

  • Size Range: φ63mm–φ400mm
  • Standard: DIN
  • Nominal Pressure: PN10 (10 bar)
  • Color: Light Gray
  • Manufacturing Technique: Injection Moulded
  • Origin: China

The injection molding process ensures uniform wall thickness and structural integrity, while adherence to DIN standards guarantees compatibility with global pipeline systems. The PN10 pressure rating confirms suitability for medium-pressure water supply and distribution networks.

6. Installation and Maintenance

Installing a PVC-U Repair Saddle is straightforward:

  1. Clean the damaged pipe area to remove debris, moisture, and oil.
  2. Position the saddle over the damaged section, ensuring correct alignment.
  3. Apply solvent cement to the joint area (if solvent-welded design) or tighten the fastening system evenly.
  4. Allow curing time for the cement to fully bond.
  5. Test the repaired section by gradually restoring water pressure.

Because PVC-U is a stable material, no additional coating or corrosion protection is required, and the fitting requires minimal maintenance after installation.

7. Long-Term Benefits

Choosing the Zhongjia PVC-U Repair Saddle provides users with:

  • Extended pipeline lifespan due to non-corrosive material.
  • Reduced downtime from quick installation during emergencies.
  • Lower operational and maintenance costs.
  • Enhanced reliability for both potable and industrial water systems.

Its adaptability and compatibility with various pipe diameters make it a universal repair solution for both new and aging infrastructure.

8. Conclusion

The Zhongjia PVC-U Repair Saddle stands out as an efficient, durable, and hygienic solution for repairing damaged water mains and distribution pipelines. Engineered with high-quality PVC-U and manufactured to international standards, it provides excellent corrosion resistance, ease of installation, and long-term reliability. Whether used for emergency repairs or planned maintenance, it ensures water systems remain safe, efficient, and cost-effective.

With its combination of technical precision, environmental compatibility, and economic advantages, the PVC-U Repair Saddle has become an indispensable component in modern water infrastructure maintenance and repair operations.