What does API mean in API cast steel gate valve

API is the abbreviation of American Petroleum Institute. Founded in 1919, API was the first national business association in the United States and one of the first and most successful standard-setting chambers in the world. （**：

API cast steel gate valve is a cast steel gate valve manufactured in accordance with the standards of the American Petroleum Institute.

Here are some of the well-known brands recognized in the valve industry, which are widely recognized and have a high reputation. While rankings may vary depending on time and market conditions, the following brands are generally considered to be among the top brands in the valve industry:

The following influential first-line brands of water system valves and industrial valves can be used as a reference, but for reference only: Suzhou Neway Valve, Shanghai Guanlong Valve, Shanghai Qizhong Valve, Sanhua, Su Yan, Shentong, Su Valve, Nanfang, Jiang.

First, the word Yao. The above manufacturers are only estimates and references, and the specific situation may vary or fluctuate at any time due to changes in a series of factors such as changes in the market, the size of the competition pattern, and the stability of product quality. As an indispensable key device in industrial production and civil facilities, the quality and reputation of the valve brand directly affect the satisfaction and trust of users.

These brands are known in the valve industry for their innovative technology, high-quality products and reliability. It is important to note that the market and industry are evolving rapidly, and different rankings may vary depending on time and region. For the most up-to-date ranking information, it is recommended to refer to industry reports, professional organizations or market research data for more detailed and accurate information.

What does gate valve (API+8) mean.

api #8"Refers to the standard number of the manufacturing hole for gate valves in the American Petroleum Institute (API) standard. API is a global professional organization with a history of more than 100 years, developing technical specifications and standards for the oil, gas and related industries. 8 refers to the standard number of the gate valve formulated by API.

The gate valve is a diaphragm control valve with jacket as the main body, which is characterized by simple structure, fast opening and closing, and wide flow adjustment range. It is commonly used in pipelines with water, steam, oil hand and other media, and is widely used in pipeline control in petroleum, chemical, electric power, metallurgy, light industry, medicine, food and other industries. In the standards formulated by API, 8 is the manufacturing standard number of gate valves, which is used to standardize the requirements for the manufacturing, performance and testing of gate valves.