What are the common brands of pneumatic valves (nuclear island and conventional island), solenoid valves, limit switches and other accessories in nuclear power plants?

1. Rockwell International Company

The company consists of four major production departments: aerospace, automobile, electronics and general industry. There are many kinds of products, which provide equipment and components for high-precision projects. Rockwell international's flow control equipment products in the general industrial field, including imported valves for public utilities, valves for oil, natural gas and atomic energy industries. The company produced the first metal-sealed diaphragm valve for nuclear power plant in 1974.

2. Germany Sulzer KSB Company

The company's main products are imported valves: stop valves, stop check valves, gate valves, spring safety valves and diaphragm valves for atomic energy reactors. And chemical corrosion-resistant steel globe valves, gate valves, diaphragm valves, etc. )

3. Canada Villainen Engineering Co., Ltd..

As the main supplier of nuclear power valves, Wei Lan Engineering Company has established its reputation with its excellent quality. The company holds "N" licenses for ASME nuclear power plants in three factories in North America. The company imports various types and parameters of power station valves, including nuclear power station valves. The design pressure of DN350, a representative nuclear first-class gate valve in nuclear power valves, is 17.6Mpa, and the highest working temperature is 350℃. Nuclear secondary main steam isolation valve DN800, 1500 lbs. The company's nuclear valves are used in 24 countries around the world.

4. British company HaatterleyHeaton (Hartley Haitong)

HaatterleyHeaton Company has 60 years' experience in producing steel valves and is also the main supplier of imported valves for nuclear power plants. For more than 40 years, the company's highly perfect bellows sealing valve has been widely used in nuclear power plants and nuclear-powered submarines around the world.

5. Fisher Control Company, USA

American Fisher Control Company is famous for its research and production of control valves. Its pilot control valves, cage control valves, ball valves, pressure reducing valves and other control valves are widely used in the import valves of nuclear power plants in various countries, with stable pressure or flow adjustment, low noise and sensitive actuator action.