Introduction to degreasing and cleaning methods for sanitary diaphragm valves
Sanitary diaphragm valve degreasing and cleaning method introduction The valve parts must go through the following processes before assembly: 1. All parts of the sanitary diaphragm valve need to be polished, and the surface must not have processing burrs, etc.; 2. Sanitary diaphragm valve valve All parts of the body undergo degreasing treatment; 3. After the degreasing of the sanitary diaphragm valve is completed, pickling passivation is carried out, and the cleaning agent does not contain phosphorus; This step is omitted for steel parts; dry the parts with non-woven fabric one by one, and do not leave the surface of the parts such as lint, or dry it with clean nitrogen; 4. Sanitary diaphragm valve is stained with non-woven fabric or precision filter paper. Pure alcohol wipes the parts one by one until there is no dirty color.