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Changzhou Zhongjia Plastic Industry Co., Ltd.
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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 True Union Ball Valve Manufacturers and Custom UPVC True Union Ball Valve 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 Valves Industry knowledge

How Low Torque Operation Benefits PVC-U True Union Ball Valves
PVC-U True Union Ball Valves are widely recognized for their reliability, versatility, and efficiency in various applications, ranging from chemical processing to water treatment. Among their many advantages, the low torque operation stands out as a critical feature, offering practical and economic benefits to users. This characteristic makes these valves easy to operate, reducing the physical effort or mechanical assistance needed to open and close the valve, even under high-pressure conditions. For operators and systems requiring frequent adjustments, this feature significantly enhances user experience and operational efficiency.
The benefits of low torque operation extend beyond ease of use. It reduces wear and tear on the valve's internal components, such as seals and the rotating ball, ensuring a longer service life and consistent performance. Additionally, low torque requirements minimize the strain on actuators or automation systems, which is particularly advantageous in industrial settings. By demanding less energy and reducing maintenance needs, these valves contribute to overall system reliability and lower operational costs, making them an ideal choice for professionals seeking cost-effective solutions.
At Zhongjia, we integrate advanced production techniques and rigorous testing to ensure our PVC-U True Union Ball Valves deliver uncompromising quality. The ergonomic design of our valve levers not only enhances ease of operation but also aligns with our commitment to providing user-friendly and durable products. With a compact construction that simplifies installation, removal, and maintenance, our valves are engineered for practicality without sacrificing performance.

Impact of Temperature and Pressure on PVC-U True Union Ball Valves

PVC-U True Union Ball Valves are designed to perform reliably under a range of temperature and pressure conditions, making them ideal for diverse applications such as chemical processing, water treatment, and microelectronics. These valves are inherently resistant to corrosion and chemical reactions, but their performance can still be influenced by environmental factors. High temperatures can soften the material, potentially affecting the seal integrity and structural rigidity, while extremely low temperatures might make the material more brittle. Similarly, excessive pressure beyond the valve's rating could strain its components, leading to wear or failure over time.

To mitigate these challenges, it is crucial to select a valve that is appropriately rated for the specific temperature and pressure conditions of the intended application. At Zhongjia, we manufacture PVC-U True Union Ball Valves with high-quality materials and precise engineering to ensure their durability and reliability. Our valves are rigorously tested to withstand standard industrial pressures and a range of temperatures, offering consistent performance in demanding environments. This commitment to quality ensures that our products maintain their structural integrity and operational efficiency, even when subjected to variable conditions.
One of the key advantages of PVC-U as a material is its excellent chemical resistance, which remains stable within the operational temperature range. However, when operating near the upper or lower temperature limits, users must account for potential changes in pressure tolerance. Zhongjia’s valves are designed with this in mind, offering enhanced resistance to thermal expansion and contraction. Additionally, their compact design and tight sealing mechanisms ensure that fluctuations in pressure do not compromise the valve's functionality or the overall system's efficiency.