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Major foreign production nuclear power valve company
1. Rockwell International Corp.
Rockwell International is headquartered in Pittsburgh, Pa., with more than 120,000 employees. The company has more than 200 factories and offices, and has more than 100 affiliates, joint companies and branches in more than 30 countries outside the United States.
The company consists of four major production departments: Aerospace, Automotive, Electronics and General Industry. A wide variety of products, widely provide equipment and components for high-precision engineering. Flow Control Equipment products in the General Industrial Division of Rockwell International, including valves for utilities, valves for the oil, gas and atomic industries. The company produced the first metal-sealed diaphragm valve for nuclear power plants in 1974.
2. Germany's Sulzer KSB
The company was founded in 1871, formerly known as the Frankenthal factory. In January 1972, Sulzer and KSB of Switzerland established Sulzer-KSB in the original site of the plant and invested 340,000 marks to specialize in nuclear power plants. Design and manufacture of pumps and valves. The factory covers an area of ​​57,400 square meters and employs more than 3,000 people.
The company's main products are shut-off valves for atomic reactors, stop check valves, gate valves, spring safety valves, and diaphragm valves. And chemical acid-resistant steel globe valves, gate valves, diaphragm valves, etc.
3. Canada's Wilan Engineering Company (VelenEngineeringco.ltd.)
Founded in 1950, Wilan Engineering has developed into a pioneer in the world valve industry. There are ten professional manufacturing plants and more than 2,000 employees. The company has representative offices in 60 countries. Wilan Engineering's valve manufacturing plants are in addition to the three, and the remaining seven are in the United Kingdom, the United States, France, Germany, Portugal and South Korea.
As a major supplier of nuclear power valves, Wilan Engineering has established a reputation for its excellent quality. The company holds an “N†license for the ASME nuclear power plant at three plants in North America. The company produces a large number of power station valves of various types and parameters, including nuclear power valves. The nuclear power valve is representative of the nuclear grade I gate valve DN350, the design pressure is 17.6Mpa, the maximum working temperature is 350 °C; the nuclear II main steam isolation valve DN800, 1500 pounds. There are 24 countries in the world that use the company's nuclear power valves.
4. United Kingdom Haatterley Heaton Company (Hartley Haitong)
HaatterleyHeaton has six decades of experience in the production of steel valves and is a major supplier of valves for nuclear power plants. For more than 40 years, the company's highly sophisticated multi-type bellows sealing valves have been widely used in nuclear power plants around the world and also in nuclear-powered submarines.
5. US Fisher Control Company
Fisher Control Company of the United States is known for its development and production of control valves. It is widely used in nuclear power plants in various countries to produce various types of control valves such as pilot control valves, cage control valves, ball regulating valves, pressure reducing valves, etc. The flow is smooth, the noise is small, and the actuator is sensitive.
Compared with domestic nuclear power valves, foreign nuclear power valves have complete types of foreign nuclear power valves, advanced technology, excellent performance and high reliability. The United States built the world's first experimental nuclear reactor in 1942, and the former Soviet Union built the world's first nuclear power plant in 1954. In the development process of nuclear power technology for more than 60 years, only nuclear power valves have formed a complete design, experiment, manufacturing and testing system, and accumulated a lot of experience, mature products and reliable technology. Western nuclear power valve companies such as Westinghouse in the United States, Wilan in Canada, and Famatong in France hold advanced nuclear power technologies. Wilan's nuclear power valves have a good track record of supply in almost 90% of the world's nuclear power plants. Many nuclear and non-nuclear-grade valves in nuclear islands and conventional islands in nuclear power plants around the world, such as pilot-operated safety valves, main steam isolation valves, regulating valves, and other nuclear power valve technologies and markets are well-known by nuclear power valve companies. Monopoly, and the price is very expensive.