In recent years, we have seen the rapid development of science and technology in our great motherland. This made me feel extremely proud for me as a Chinese. With the advancement of technology and the progress of people, we will join the Chinese cutting machine trading network to make progress together. Join the hotline, we look forward to your call. Details:/
In recent years, the independent R&D level of laser cutting machines in China has been continuously improved, and the localization capability of core technologies and major equipment has been continuously strengthened. Since its establishment, Dahan Laser has always adhered to the principle of "technology-based, independent innovation" and increased its technological innovation capabilities. In the early days, Dahan Lasers introduced advanced German technology combined with its actual production experience to develop a highly efficient and energy-saving self-guided laser cutting equipment. Dahan Laser's technological innovation and management innovation capabilities quickly captured the entire Chinese market and continued to march into overseas markets. Innovation is more scientific and rigorous in design, and it is simple and practical to operate.
The enterprise is the main body of technological innovation, but to fully enhance the ability of independent innovation, we must give full play to the role of science and technology in colleges, research institutes and enterprises in China, effectively mobilize domestic technological resources, improve and perfect the enterprise as the main body, and the market as The national innovation system that combines orientation, production, study, and research forms the basic institutional framework of independent innovation with Chinese characteristics. At the same time, it needs to improve the market environment for technological innovation. Over the years, some laser cutting machine companies have failed to properly handle the relationship between technology introduction, digestion and absorption and innovation, and have severely insufficient input in the digestion and absorption of imported technology and innovation, resulting in the endless introduction, introduction, and re-introduction. Some of them even fell into the vicious circle of "introduction, outdated, re-introduction, and more backwardness." History and reality have repeatedly proved that the real core technology cannot be bought. Only by vigorously improving original innovation capacity, key technological innovation capability, and system integration capability, and possessing a large number of proprietary technologies and a large number of independent intellectual property rights, can it occupy a strategic commanding height in the international industrial division of labor and global economic structure in the competition among science and technology among countries. , firmly grasp the initiative of economic development, grasp the economic restructuring and growth mode of change initiative. Only based on independent innovation can we make full use of global scientific and technological resources to accelerate our own development and catch up with the world's advanced level. Therefore, in the key areas related to the national economy, people's livelihood and national security, and some frontiers in the development of science and technology, we must vigorously strengthen our capacity for independent innovation. Continuously improve the effective mechanism for the introduction, cultivation, and use of talents, formulate and implement policies that have a strong appeal to all types of talents, attract talents with good mechanisms, policies, and environment, gather talents, and lay solid talents for technological innovation and economic development. basis.
In short, we must proceed from the strategic heights of economic development, national defense construction, and social progress and master more key technologies and independent intellectual property rights in all major economic and social fields in order to maintain long-term competitive advantages and ensure national economic security. To this end, it is necessary to fully understand the importance and urgency of improving the capacity for independent innovation, persist in taking the scientific concept of development as a guide, and put the emphasis on strengthening technological innovation, developing high technologies, and realizing industrialization, and putting it in a comprehensive and coordinated economic and social environment. The important position of sustainable development is to make unremitting efforts to create a new situation that will rapidly improve the independent innovation capability of laser cutting machines.
Editing: kunshanwl
Butterfly Valve is from a family of quarter-turn valves. Butterfly valve is typically used to regulate a fluid flowing through a section of pipe. A flat circular plate is positioned in the center of the pipe. The plate has a shaft through it connected to an actuator on the outside of the valve. Rotating the actuator turns the plate either parallel or perpendicular to the flow. Unlike a Ball Valve, the plate is always present within the flow, therefore a pressure drop is always induced in the flow regardless of valve position.
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| Wafer Butterfly Valve | High Performance Butterfly Valve | Pneumatic Butterfly Valve |
There are different kinds of butterfly valves, each adapted for different pressures and different usage.
The resilient butterfly valve, which uses the flexibility of rubber, has the lowest pressure rating.
The high performance butterfly valve, used in slightly higher-pressure systems, features a slight offset in the way the disc is positioned, which increases the valve's sealing ability and decreases its tendency to wear.
The valve best suited for high-pressure systems is the Triple Eccentric Butterfly Valve, which makes use of a metal seat, and is therefore able to withstand a greater amount of pressure.
Butterfly valves are relatively easy to maintain. The resilient seat is held in place by mechanical means, and neither bonding nor cementing is necessary, Because the seat is replaceable, the valve seat does not require lapping, grinding, or machine work.
Butterfly valve is also a type of flow control device, used to make regulating fluid flowing through a section of pipe.
Butterfly Valve
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Wenzhou Kolink Valve Co., Ltd. , http://www.kolinkvalves.com