Alumina Ceramic Valve Sleeve is a precision industrial component designed for high wear, strong corrosion and high temperature conditions. Its core advantage comes from the properties of 95%-99.7% pure alumina ceramic materials. Compared with traditional metal valve sleeves, its Mohs hardness is as high as 9 (second only to diamond), and its wear resistance is more than 20 times that of stainless steel. It can effectively resist long-term erosion by slurry, ash and other particle-containing media. In terms of chemical stability, the valve sleeve can withstand corrosion from most acid and alkali solutions (such as 32% sodium hydroxide and 95% sulfuric acid), while metal valve sleeves are prone to electrochemical corrosion in such environments. Its maximum operating temperature can reach 1760℃ (99.7% purity), which far exceeds the temperature resistance limit of metal materials. It is particularly suitable for high-temperature scenes such as oil drilling and chemical reactors. In addition, the low friction coefficient (surface roughness Ra≤0.4μm after precision grinding) and zero leakage sealing performance of alumina ceramics significantly improve the opening and closing efficiency and long-term reliability of the valve, and are widely used in key equipment such as ball valves, check valves, and mud valves.
中文简体
русский
Español
عربى
Português
日本語
한국어