The check valve designed, manufactured, produced and tested according to the American standard is called the American standard check valve, so what is the standard size of the American standard che...
Introduction
From facilitating smooth flow control in various industries to applications in residential plumbing systems, butterfly valves have become an essential part of a variety of processes. T...
Gate valve is a kind of valve to control the fluid, it is widely used in the industry. The gate valve controls the flow of fluid by controlling the opening and closing of the valve. Gate valve acco...
Valves in the various industries in a wide range of applications, mainly in the petroleum, petrochemical, chemical, metallurgy, electric power, water conservancy, urban construction, fire, machiner...
1. The stomata
This is a small cavity formed by the gas that the metal solidification process does not escape inside the metal. Its inner wall is smooth and contains gas, which has a high reflectiv...