Advancing Industrial Valve Reliability Through Innovation and Precisio

In the demanding world of industrial engineering, reliability and safety define the success of every operation. Zhejiang Haoqiu continues to strengthen this foundation through continuous innovation, precise manufacturing, and proven performance under extreme working conditions. From ultra-high-pressure sealing to long-term high-temperature resistance, the company’s achievements represent its commitment to dependable, practical solutions for global industries. As one of the recognized developers of Hard Seal Ball and Custom Ball Valve Ball technologies, Zhejiang Haoqiu focuses on creating components that perform consistently where precision truly matters.

Proving Strength Under Extreme Pressure

When dealing with large-scale and high-pressure environments such as DN700 and Class1500 applications, even the slightest leakage can cause serious operational challenges. To address this, Zhejiang Haoqiu conducted a nitrogen pressure test exceeding 28.6MPa, achieving a consistent zero-leakage result. This success is more than a test report; it is a direct reflection of the company’s advanced production capability and strict quality control.

The valves developed from this technology have been successfully used in China’s 300-megawatt-class compressed air energy storage demonstration project. By supporting the first successful trial operation and smooth grid connection of the core compressor units, Haoqiu provided a solid technical foundation for stable energy conversion and long-term system performance. It demonstrates how reliable sealing performance translates into real operational security — a core benefit derived from precision-engineered Hard Seal Ball components.

Innovative Coating Technology for Harsh Environments

Long-term high-pressure gas sealing and ultra-high-temperature operation have always been major challenges in the valve industry. Zhejiang Haoqiu’s answer lies in independent innovation. The company has developed a high-density hard-seal coating with a porosity of less than one percent. Since its large-scale application began in 2008, this coating has become a practical solution to long-standing sealing difficulties in many industrial fields.

In the coal chemical sector, especially for oxygen valves operating in environments reaching 700°C, this coating technology has effectively prevented high-risk leakages and ensured the stable operation of the entire system. The value of such innovation lies not only in extending service life but also in creating safer, more reliable industrial operations. Each improvement represents Haoqiu’s commitment to achieving zero leakage and consistent reliability in the harshest applications. Here, the Custom Ball Valve Ball design ensures that every piece adapts seamlessly to unique engineering needs without requiring changes to existing equipment layouts.

Reliable Performance in High-Frequency Operations

Valve wear under high-frequency switching has long been an industry pain point. In working conditions requiring up to 65 opening and closing cycles per minute, conventional designs often fail to maintain stability. To solve this, Zhejiang Haoqiu developed a high-frequency Hard Seal Ball valve (16"-1500Lb) capable of operating continuously under such demanding conditions.

In 2023, the valve underwent a rigorous 30-day continuous operation test. After completion, inspection revealed that both the valve ball and the seat maintained their coating integrity, showing no visible signs of wear. This achievement confirms the product’s capability to deliver durable, low-maintenance performance in high-cycle applications. For users, this means fewer interruptions, reduced downtime, and improved system continuity across extended production periods.

Supporting National Research and Engineering Projects

Zhejiang Haoqiu has also contributed significantly to advanced research and testing initiatives. During the establishment of China’s first high-temperature floating ball valve test platform by a leading aerospace valve institute, the company provided essential technical expertise and materials support.

For the project’s core components—the valve ball and seat—Haoqiu designed an innovative titanium combined with thermal-sprayed titanium coating solution. This new approach solved a key challenge in applying titanium materials under extreme conditions. Even when tested under 450°C and 60MPa, the valve demonstrated stable sealing performance and structural integrity. This achievement helped fill a domestic gap in high-temperature valve testing capability and showcased Haoqiu’s dedication to supporting national engineering progress.

From Technology to Real-World Value

Every innovation at Zhejiang Haoqiu is developed with the user in mind. The company’s valve solutions are designed to integrate smoothly into existing systems, minimizing the need for operational changes or additional equipment adjustments. Users can continue their standard processes while benefiting from improved sealing performance, reduced maintenance frequency, and enhanced reliability. This adaptability highlights the true advantage of Custom Ball Valve Ball designs — practical, precision-fitted solutions that bring measurable improvements without complicating the workflow.

Looking ahead, Zhejiang Haoqiu will continue focusing on material science, precision machining, and coating technology to meet the growing demands of new energy, chemical, and aerospace industries. Each advancement reinforces the same mission — to deliver safety, durability, and long-term stability where they matter most.

Through years of consistent innovation and field validation, Zhejiang Haoqiu has evolved into a trusted technical partner in the valve manufacturing field. Its achievements in high-pressure sealing, high-frequency operation, and extreme-temperature resistance mark an ongoing journey toward more reliable and sustainable industrial solutions — powered by precision-engineered Hard Seal Ball and Custom Ball Valve Ball technology.