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Changzhou Zhongjia Plastic Industry Co., Ltd.
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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 4 Way Equal PVC-U Cross Tee Manufacturers and Custom 4 Way Equal PVC-U Cross Tee 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 Cross Industry knowledge

In complex piping networks, efficient fluid distribution and reliable branching are essential for ensuring smooth operations. A cross fitting, also known as a 4 Way Equal Cross Tee, plays a critical role in splitting or combining fluid flows in four directions. To meet the demands of diverse industries and modern construction projects, Zhongjia proudly presents its UPVC Cross, a precision-engineered pipe fitting designed for strength, durability, and ease of installation.

Product Overview
The Zhongjia UPVC Cross is manufactured from high-quality PVC-U (Unplasticized Polyvinyl Chloride), a material well-known for its superior resistance to corrosion, lightweight properties, and long service life. Produced using advanced injection molding technology, the cross fitting offers precise dimensions, smooth surfaces, and consistent performance across all sizes.

Available in a wide range of specifications from DN15 to DN200, the fitting is designed with socket-type connectors, enabling quick and secure installation with solvent cement. With pressure ratings of PN10 and PN16, it ensures reliable performance in both standard and high-pressure environments. The product comes in a dark gray finish, presenting a clean, professional look that blends seamlessly into industrial and civil pipeline systems.

Compliant with DIN standards, Zhongjia’s UPVC Cross guarantees compatibility with international piping systems, providing users with confidence in quality and reliability.

Key Features and Benefits
Durable PVC-U Construction
Made from unplasticized polyvinyl chloride, the fitting offers excellent mechanical strength and durability. Unlike metal fittings, it will not rust, corrode, or scale, ensuring long-term reliability in diverse environments.

Corrosion and Chemical Resistance
The UPVC Cross withstands exposure to acids, alkalis, salts, and various chemical solutions, making it ideal for chemical processing plants, wastewater systems, and water treatment facilities.

Precise Injection Molding
Manufactured using advanced injection techniques, the fitting ensures uniform wall thickness, accurate dimensions, and a tight, leak-proof fit in all installations.

Wide Size Range
Available in DN15 to DN200, the cross fitting accommodates both small and large pipeline systems, offering versatility across multiple industries.

High Pressure Rating
With nominal pressures of PN10 and PN16, the product performs reliably under demanding conditions, ensuring system safety and stability.

Smooth Inner Surface
The polished internal walls reduce fluid friction, minimize pressure loss, and enhance overall flow efficiency within the pipeline network.

Lightweight and Easy Installation
Lighter than metal alternatives, the fitting is easy to handle and transport. Its socket connection system simplifies installation, reducing labor costs and project timelines.

Aesthetic and Functional Design
The dark gray color provides a modern industrial look while also being practical for both exposed and concealed installations.

Applications
The Zhongjia UPVC Cross is a versatile solution widely used in different piping systems, including:

Civil and Industrial Water Supply: Suitable for distributing cold and hot water in residential, commercial, and industrial buildings.
Drinking Water Systems: Manufactured from safe, non-toxic PVC-U, it can be used in potable water supply lines.
Chemical Industry: Resistant to aggressive chemicals, it is widely applied in laboratories, chemical factories, and wastewater treatment plants.
Agricultural Irrigation: Ideal for branching irrigation pipelines in gardens, farms, and greenhouses.
HVAC and Central Cooling Systems: Provides reliable flow distribution in air-conditioning and chilled water systems.
Public Facilities: Used in swimming pools, stadiums, and other large-scale water distribution systems.
Rainwater Harvesting: Suitable for rainwater collection and recycling pipelines, ensuring efficient flow management.
Installation Guidelines
The Zhongjia UPVC Cross uses a socket connection method with solvent cement. For best results:

Ensure the pipe ends are cut square and cleaned thoroughly.
Apply UPVC solvent cement evenly on both the pipe and fitting socket.
Insert the pipe into the socket within one minute and hold in position.
Initial bonding occurs within 15 minutes, with full curing after 24 hours.
This simple process guarantees a secure, leak-proof, and long-lasting joint.

Why Choose Zhongjia UPVC Cross?
Global Standard Compliance: Manufactured in strict accordance with DIN standards.
Quality Assurance: Each fitting undergoes rigorous quality checks to ensure consistent performance.
Cost-Effective: Lightweight, easy to install, and requiring minimal maintenance, it reduces overall project costs.
Environmental and Health Safety: Non-toxic, odorless, and safe for potable water systems.
Trusted Brand: Zhongjia is recognized for delivering reliable pipeline solutions across global markets.
Conclusion
The Zhongjia UPVC Cross represents the perfect combination of durability, efficiency, and adaptability. Whether used in residential buildings, industrial plants, chemical facilities, or irrigation networks, this four-way connector provides a reliable and long-lasting solution for distributing fluids across pipeline systems.

Engineered with precision and manufactured from premium PVC-U material, the Zhongjia UPVC Cross ensures corrosion resistance, easy installation, and international standard compliance. By choosing Zhongjia, customers are investing in a product that delivers superior performance, long-term reliability, and outstanding value for all pipeline applications.