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Changzhou Zhongjia Plastic Industry Co., Ltd.
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  • PVC-U End Cap
  • PVC-U End Cap
  • PVC-U End Cap
  • PVC-U End Cap

PVC-U End Cap

Brand: 
Zhongjia

Material: 
PVC-U

Size: 
φ20mm-φ400mm

Technique: 
Injection moulded

Connection:
Socket

Color: 
Light gray, Dark gray, White

Standard: 
DIN standard

Nominal Pressure: 
PN10

Origin: 
China

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  • Description

  • Additional info.

  • Size Guide

  • Our PVC-U solvent cap size is 20mm to 400mm and is part of our carefully selected series of PVC plastic pipe fittings. PVC-U has chemical resistance and can resist more acids, alkalis, salts and solvent solutions that can be mixed with water.


    Product Features and Advantages:
    ● PVC is a hard, unplasticized material with good surface rigidity and tensile strength, as well as a high compression level and pipeline safety factor.
    ● Good chemical resistance, including acid, alkali and salt resistance, suitable for water supply.
    ● PVC is a flame retardant material with high oxygen value and can be automatically extinguished.
    ● PVC has good anti-aging properties, and its normal life span can reach 50 years.
    ● Solvent glue joints can be used, which is easy to operate and install.
    ● PVC fittings are suitable for a wide range of applications, including: Water supply, Circulating water, Irrigation, Sewage treatment, Drain, Rainwater pipeline.

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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 PVC-U Solvent End Cap Manufacturers and Custom PVC-U Solvent End Cap 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 End Cap Industry knowledge

In modern piping systems, end caps are essential components designed to seal the end of a pipe, preventing leakage, contamination, or exposure of the pipeline system. Among various materials and designs, UPVC (Unplasticized Polyvinyl Chloride) end caps have gained widespread popularity due to their durability, chemical resistance, and ease of installation. Zhongjia UPVC Solvent End Cap exemplifies these advantages, offering a reliable solution for residential, commercial, and industrial piping applications.

1. Material Advantages of UPVC
UPVC is a rigid, unplasticized form of PVC, known for its excellent mechanical and chemical properties. Unlike flexible PVC, UPVC does not contain plasticizers, which gives it superior strength, durability, and environmental compatibility. The material advantages include:

Excellent Chemical Resistance
UPVC end caps resist a wide range of chemicals including acids, alkalis, salts, and many solvents. This makes them suitable for chemical processing, wastewater treatment, and irrigation systems, where metal alternatives might corrode over time.

Lightweight Design
Compared to metal fittings, UPVC components are significantly lighter, reducing shipping and handling costs. The lightweight nature of the material also facilitates easier installation, especially for large-diameter pipelines.

Durability and Longevity
UPVC is resistant to wear, corrosion, and UV degradation, ensuring long-term performance even in outdoor or harsh environments. Unlike metals, UPVC end caps do not rust or pit, maintaining pipeline integrity for years.

Environmental and Safety Benefits
UPVC is recyclable and non-toxic, supporting sustainable infrastructure development. Moreover, it is non-conductive, providing added safety in applications where electrical insulation is critical.

2. Product Specifications and Design
Zhongjia UPVC Solvent End Caps are manufactured using injection molding techniques, ensuring consistent dimensions, smooth surfaces, and uniform wall thickness. Key specifications and features include:

Connection Type: Socket connection, designed for easy installation using solvent cement or adhesive, creating a secure and leak-proof seal.
Size Range: φ20mm to φ400mm, covering small residential pipelines to large-scale industrial systems.
Color Options: Light gray, dark gray, and white, allowing flexibility for visual management or aesthetic requirements.
Standard Compliance: DIN standard, ensuring dimensional accuracy, performance reliability, and international compatibility.
Nominal Pressure: PN10, suitable for common water supply, drainage, and chemical piping systems.
The socket design allows for solvent welding, a process where the end cap is joined to the pipe using UPVC solvent cement. This creates a monolithic structure, eliminating mechanical joints and potential leak paths.

3. Functional Advantages and Applications
Zhongjia UPVC End Caps serve multiple functional purposes within piping systems:

Pipe Termination and Sealing
End caps effectively close off pipe ends, preventing leakage, dirt ingress, or contamination. They are essential in temporary or permanent closures in pipelines during construction or maintenance.

Protection of System Components
By sealing unused pipe ends, UPVC end caps protect the pipeline from exposure to environmental elements, debris, or insects, ensuring system hygiene and operational reliability.

Maintenance and Testing
During pipeline pressure testing or system flushing, end caps provide a secure seal, allowing engineers to test sections of the system without leaks. This is particularly important in large-scale industrial or municipal projects.

Versatile Applications
Zhongjia UPVC End Caps are widely used in:

Water supply networks – municipal pipelines, residential plumbing, and irrigation systems.
Wastewater and sewage systems – resistance to chemical attack and durability ensure longevity.
Chemical industries – handling non-corrosive to moderately aggressive chemical liquids.
Swimming pools and aquaculture systems – resistant to chlorine and other disinfectants.
4. Installation Advantages
Zhongjia UPVC Solvent End Caps are designed for user-friendly installation:

Solvent Cement Connection
The socket design allows for a simple solvent welding process. When applied properly, the solvent melts and fuses the surfaces, creating a strong, permanent joint without the need for mechanical fasteners.

Reduced Maintenance Needs
Once installed, UPVC end caps require minimal maintenance, resisting corrosion, scaling, and biofilm formation compared to metal alternatives.

Time and Cost Efficiency
The lightweight nature and ease of solvent welding reduce labor time, installation complexity, and overall project costs.

Noise and Vibration Reduction
UPVC inherently absorbs vibrations better than rigid metals, which reduces operational noise in water and wastewater systems.

5. Comparison with Other Materials
Piping end caps can be made from various materials such as steel, cast iron, brass, or glass. Compared to these materials, Zhongjia UPVC End Caps offer distinct advantages:

Versus Steel or Cast Iron: Lighter, easier to install, no risk of corrosion, and lower cost.
Versus Brass: Less expensive, chemically resistant for a wider range of liquids.
Versus Glass: More impact-resistant, easier to handle and install.
While metals may offer higher pressure ratings or temperature resistance, UPVC balances economic efficiency, chemical resistance, and ease of use, making it ideal for most standard piping applications.

6. Zhongjia Brand Value
Zhongjia has established itself as a trusted manufacturer of high-quality UPVC fittings. The brand emphasizes:

Strict Quality Control: Ensuring dimensional accuracy, pressure compliance, and material consistency.
Extensive Product Range: Complementary fittings such as elbows, tees, reducers, and valves provide complete system solutions.
Global Compliance: Products meet DIN standards, making them suitable for international markets.
Customer-Centric Support: Technical guidance and post-sales service ensure smooth installation and operational efficiency.
Zhongjia’s commitment to innovation and quality allows their UPVC end caps to serve diverse markets worldwide, including residential, commercial, and industrial sectors.

Conclusion
The Zhongjia UPVC Solvent End Cap is a high-performance pipe accessory designed to seal, protect, and maintain piping systems. Its lightweight, corrosion-resistant, durable, and environmentally friendly properties make it an ideal solution for water supply, wastewater management, chemical processing, irrigation, and aquaculture systems. With a wide range of sizes, color options, and a user-friendly socket connection for solvent welding, Zhongjia UPVC End Caps provide a reliable, cost-effective, and long-lasting solution for modern piping networks.

As UPVC piping continues to grow in global infrastructure projects, Zhongjia’s dedication to quality, precision manufacturing, and customer support ensures their products remain a trusted choice for engineers, contractors, and facility managers worldwide.