What material screws are used for American standard carbon steel gate valves?

According to the requirements, the American standard carbon steel gate valve flange eye size selects bolts and nuts.

Strictly according to ASTMA 193B7 bolt nut.

For example: M24 120

Correspondence: 193b7 194 2h 7 8"M24 *120 pressure is not high, optional ordinary hexagon bolts).

A screw is a tool that uses the physical and mathematical principles of the oblique circular rotation and friction of an object to tighten the mechanical parts of the object step by step. Screws are a generic term for fasteners, everyday colloquialism. Screws are an indispensable industrial necessity in daily life

Such as very small screws used in cameras, glasses, clocks, electronics, etc.; general screws for televisions, electrical products, musical instruments, furniture, etc.; As for engineering, construction, and bridges, large screws and nuts are used; Transportation equipment, airplanes, trains, automobiles, etc., are used with both large and small screws. Screws have an important role in industry, and as long as there is industry on the earth, the function of screws will always be important. The screw is a common invention in people's production and life for thousands of years, and it is the first major invention of mankind according to the application field.

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.

It is the same as the domestic valve of the same level of pressure, which is an ordinary hexagonal bolt.

Stainless steel American standard gate valve commonly used materials: CF8, CF9M, CF3, CF3M, 321, as well as low-temperature stainless steel, the most commonly used material is stainless steel 304 material.

To buy stainless steel American standard gate valves, you must choose high-quality manufacturers, there are many small manufacturers who cut corners and take secondary materials to act as good stainless steel materials, and finally the test is unqualified.