1. FISHER Fisher, USA

Fisher Control Equipment International Co., Ltd. was founded in 1880. At that time, in Marshalltown, Iowa, the United States, William Fisher, the founder of Fisher Company, invented the first pump regulator. Fisher Controls International, Inc. is a division of Emerson Electric Company, a Fortune 500 company headquartered in the United States. Emerson purchased Fisher in 1992 and merged with Rosemount, another world leader in process instrumentation, to form Fisher-Rosemount to better meet user requirements for a complete range of applications. and the need for process control.

In April 2001, Fisher-Rosemount changed its name to Emerson Process Management. Product and service range Control valves and actuators, linear control valves, some ball and butterfly valves, steam regulating valves, digital valve controllers, digital level controllers, AMSValveLink?***, field-installed instruments, quick replacement Service, voltage regulator.

2. American Masoneilan Masoneilan

American Masoneilan Masoneilan valves are one of the industry leaders in designing, manufacturing, and supporting final process control factors and solutions. It is a major part of the Dresser Group and provides a wide range of valve products for different stages of the energy industry.

Masonline has been a pioneer in the valve and process control industry for more than a century. It was originally founded in 1882 by a young inventor named William Mason. Masoneilan offers a diverse range of products including control valves, actuators, pressure regulators and professional-use instruments for both general and demanding service requirements.

3. Japanese Kitz Kitazawa Valve

Since its establishment in 1951, Japanese KITZ Valve Company has always provided customers with fluid control machinery with valves as the main body. The products involve everything from home furnishings to Industrial production and other broad fields. Over the past few days, we have grown into a world-leading pipe manufacturer. Today, the KITZ trademark enjoys a high reputation in Japan and even around the world due to its excellent quality. ?

4. Germany HANK Hanke Valve

Germany HANK Hanke Valve was founded in 1852 in Monchengladbach, a city located in North Rhine, Germany. -A city west of Düsseldorf, the capital of the state of Westphalia. In the early 1850s, the German economy was developing rapidly. Due to Germany's energy shortage, the government increased its efforts in energy conservation, so the HANK (TroubleLess Valve) company was established. Hanke Valve is a globally renowned multinational manufacturer of high-quality, advanced valves, measurement and control systems, with subsidiaries and branches in dozens of countries around the world.

5. French OTTO valve?

The French OTTO Valve Company was established in Paris, France in 1805 and has a history of more than 100 years. At the beginning of its establishment, French OTTO Otto Valve was just a stainless steel valve manufacturer. However, now French Otto Company is one of the top 500 companies in central and western France, with 15 production and manufacturing centers in the United States, Germany, the United Kingdom and Italy. Among them, 10 production and manufacturing centers have passed ISO9001 quality certification, and their products cover various fields in the fluid control industry. ?

6. German KSB valves

German KSB is a world-famous modern company manufacturing pumps and valves. It is one of the three largest pump and valve manufacturing companies in the world. Founded in 1871, it is an international company with six factories in Germany and France directly managed by its headquarters. The main products of Germany's KSB include: globe valves, filters, ball valves, gate valves, traps, butterfly valves and other general valves.

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7. Germany's LIK LIK valve

Germany's LIK Group is the world's leading supplier of fluid control products and services. The products it designs and manufactures are used in various industries and general applications. Commercial use. Since its establishment nearly a century ago, more than 300 dedicated engineers have continuously developed high-quality valves and accessories to meet different market needs. All products are completed under the supervision of a strict quality system that complies with ISO9001 international standards. LIK products and distributors are located in 43 countries around the world. The main products are: ball valves, gate valves, flat gate valves, globe valves, butterfly valves, etc.

Extended information:

Valve is a pipeline accessory used to open and close pipelines, control flow direction, adjust and control the parameters (temperature, pressure and flow) of the conveyed medium. According to their functions, they can be divided into shut-off valves, check valves, regulating valves, etc.

Valve is a control component in the fluid transportation system. It has the functions of cutting off, regulating, diversion, preventing reverse flow, stabilizing pressure, diverting flow or overflow pressure relief. Valves used in fluid control systems range from the simplest stop valves to various valves used in extremely complex automatic control systems, with a wide range of varieties and specifications.

Valves can be used to control the flow of various types of fluids such as air, water, steam, various corrosive media, mud, oil, liquid metal and radioactive media. According to the material, valves are also divided into cast iron valves, cast steel valves, stainless steel valves (201, 304, 316, etc.), chromium molybdenum steel valves, chromium molybdenum vanadium steel valves, duplex steel valves, plastic valves, non-standard customized valves, etc.

Reference: Baidu Encyclopedia Valve