Pneumatic valve is a kind of valve controlled by air pressure, which is widely used in industrial automation control system. Its main applications include the following aspects:
1. Fluid control: pneumatic valve can be used to control the flow and direction of liquid or gas, such as controlling the flow in the pipeline, exhaust gas emission, etc.
2. Pressure control: pneumatic valve can be used to control the pressure of fluid, such as controlling the pressure of compressed air, regulating the pressure in the hydraulic system, etc.
3. Temperature control: pneumatic valve can be used to control the temperature of fluid, such as the temperature of heating or cooling system.
4. Automatic control: pneumatic valve can be linked with sensors, PLC and other equipment to realize automatic control, such as automatic production lines, robots, etc.
5. Safety control: pneumatic valve can be used for safety control, such as controlling emergency stop, preventing overload, etc.
In general, pneumatic valve plays an important role in industrial automation control system, which can improve production efficiency, reduce costs, and ensure safety.
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Abstract Hardware tools encompass a wide range of equipment, including manual, electric, and pneumatic tools, cutting instruments, automotive maintenance devices, agricultural machinery, lifting equipment, measuring instruments, tool machines, jigs, molds, grinding wheels, drill bits, polishing machines, tool accessories, abrasives, and more. These tools play a crucial role in various industries, from manufacturing to construction and beyond.
In 2013, the global hardware market saw a significant shift as developed nations in Europe and the U.S. began outsourcing standard products to developing countries due to rapid technological advancements and rising labor costs. They focused instead on high-value-added items. China, with its vast market potential, became a key player in the export of hardware tools. The industry is mainly concentrated in Zhejiang, Jiangsu, Shanghai, Guangdong, and Shandong, with Zhejiang and Guangdong standing out as major hubs. Despite the widespread use of Chinese-made hardware tools across multiple sectors and their considerable economic impact, there remains a technological gap compared to foreign counterparts. To address this, efforts are being made to promote innovation, develop new products, and enhance overall technical capabilities within the industry.
Currently, the leadership role of the hardware tool industry is still limited. Leading enterprises lack strong international visibility and face challenges in terms of technological innovation and market diversification. Most hardware tool companies rely heavily on foreign trade orders, making them vulnerable to global economic fluctuations. The recent financial crisis significantly reduced export markets, threatening the survival and growth of many firms. Additionally, brand development lags behind, with most tools produced through OEM models, lacking brand recognition and competitive edge.
To overcome these challenges, China's hardware and tool industry must invest more in research and development, focus on new technologies, and expand the application of advanced materials like diamond. By improving product quality, increasing variety, and enhancing efficiency, the industry can strengthen its global position. It is essential to drive progress through scientific and technological innovation to ensure sustainable development and competitiveness.
In response to growing domestic and international demand for specialized hardware tools—especially in fields such as machinery, gemstone processing, medical equipment, woodworking, fiberglass, stone crafts, ceramics, and composite non-metallic hard materials—China must accelerate the development of high-quality, locally produced alternatives to reduce reliance on imports. This will not only meet market needs but also support long-term industrial growth and self-sufficiency.