Common sense of sanitary valves (food grade valves)

As the name implies, sanitary valves refer to valves that meet sanitary standards (medical standards or food standards). The valve body must meet the sanitary standards of stainless steel. All parts in contact with the medium are mirror polished. The polishing and cleanliness must meet the sanitary standards. The hygienic standards of valve components are …

The difference and selection of fireproof and antistatic ball valve and ordinary ball valve

Fire-proof and anti-static ball valve is a kind of pipelines that can be used for natural gas, artificial coal gas, liquefied gas, city gas and non-corrosive gas. It has anti-static and fire protection devices, that is, it is installed between the ball and the valve stem, the valve stem and the valve body. The conductive …

The difference and selection of cryogenic valve and ordinary temperature

Cryogenic valves, as the name implies, are valves that can work in cryogenic and cryogenic conditions. The operating temperature is demarcated. Valves with operating temperatures below -40°C are usually called cryogenic valves, which are mainly used for gas liquefaction, For separation, transportation and storage equipment, the operating temperature can reach below -270℃. Currently, there are …

What are the main factors affecting valve sealing?

Valve leakage is very common in life and industrial production, and the impact is very large. In the light, it will cause waste or bring danger to life. For example, the leakage of tap water valve will lead to serious consequences, such as the chemical industry. Toxic, harmful, flammable, explosive and corrosive media leakage, etc., …

The most beautiful environmentalists | COVNA 14th Environmental Engineering Salon

On September 26, the 14th Greater Bay Area Environmental Engineering Salon and Environmental Industry Forum was held and organized by COVNA Automation Co., Ltd and other 13 companies in Dongguan Yuelai Garden Hotel. In this regard, more than 10 media reported on the forum. As the largest environmental protection industry salon in South China, it …