Metal & Oil & Gas News –

In the fluid pipeline system, the valve is the control element, whose main functions are opening and closing, throttling, regulating flow, isolating equipment and pipeline system, preventing medium backflow, regulating and discharging pressure, etc. There are many kinds of valves with complex varieties. ...

There are many types of valves, each with its own advantages and disadvantages. The following small series lists the advantages and disadvantages of the five major valves, including gate valves, butterfly valves, ball valves, globe valves and plug valves, I ...

Valve corrosion protection The corrosion of metals is mainly caused by chemical corrosion and electrochemical corrosion. The corrosion of non-metallic materials is generally caused by direct chemical and physical damage. 1. Chemical corrosion The surrounding medium directly reacts with the ...

Corrosion is one of the important elements that cause valve damage. Therefore, valve protection is an important issue to consider in valve protection. PetroChina and Sinopec talk about anti-corrosion: What is the corrosion of the valve? How to carry out ...