Pre-treatment requirements for valve assembly: 1. According to the processing requirements, some parts need to be polished, and the surface must not have processing burrs; 2. All parts should be degreasing; Phosphorus; 4. Rinse with pure water after pickling and passivation, there should be no chemical residue, and carbon steel parts omit this step; 5. Wipe the parts with non-woven fabrics one by one. Or blow dry with clean nitrogen gas; 6. Use non-woven fabric or precision filter paper dipped in analytical pure alcohol to wipe the parts one by one until there is no dirty color. Technical requirements for valve assembly: 1. The installation workshop must be clean, or a temporary clean area should be built, such as using newly purchased color strips or plastic films, to prevent dust from entering during the installation process. 2. Assembly workers must wear clean cotton work clothes, cotton caps, no hair leakage, clean shoes, plastic gloves, and degreased hands. 3. Assembly tools must be degreased and cleaned before assembly to ensure cleanliness.
Liaoning valve manufacturers
Liaoning Yuanlu Machinery Equipment Manufacturing Co., Ltd. is a Taiwanese-invested enterprise that develops and manufactures water supply and drainage valves, industrial valves and their automatic control systems and environmental protection equipment. The main products are gate valve, globe valve, ball valve, butterfly valve, check valve, regulating valve, etc. 12 categories, more than 200 series, more than 4000 specifications, widely used in petroleum, petrochemical, chemical, electric power, metallurgy, water conservancy, medicine, Municipal construction, water supply and drainage and other fields of the national economy.
Tel: 133-3231-9780