Incorrect selection of fillers, not resistant to medium corrosion, not resistant to valve high-pressure or vacuum, high or low temperature use;
Corrosion has always been one of the hazards of chemical equipment headaches, with slight carelessness ranging from damage to accidents and even disasters. According to relevant statistics, ...
1、 Grey cast iron: Grey cast iron is suitable for media such as water, steam, air, gas, and oil with a nominal pressure PN ≤ 1.0MPa and a temperature range of -10 ℃ to 200 ℃. The commonly used grad...