The cleaning process of stainless steel elbows includes the following contents:

　　1Rinse and clean with water: Put the specially purified water in, turn on the dedicated water pump, and at the same time open the drain valve to discharge the water outward. Continue until the resistivity of the water at each outlet is the same as that of the water in the tank. The best discharge time is to achieve this30More than minutes.

　　2Passivationa.Use purified water and chemically pure nitric acid for professional matching8%The acid solution is49～52℃Cycle under the working temperature conditions60It will be discharged in minutes.b.In other words, use3%Hydrofluoric acid(Volume size),20%Nitric acid(Volume fraction),77%Purified water is matched with solutions by professionals, and the temperature maintained by the solution is controlled at25～35℃Between them, the processing is repeated in a loop10～20About a minute. Then it is sorted out.

　　3Initial rinsing: Rinse with purified water at normal temperature for no less than a certain period of time5Minutes.

　　4At the final step of rinsing: Then rinse until the resistivity of the purified water at the inlet and outlet remains as thin as a newspaper.

　　5Stainless steel elbow pure steam professional disinfection: Pour very clean steam into this stainless steel pipe control center, allowing any component and point surface to be cleaned15More than minutes.

　　Foshan Weilihuang Trading Co., Ltd. is a leading manufacturer specializing in the production and sales of international and domestic stainless steel hardware accessories and its own brands. The company is located at Tianjinli Hardware Accessories Center, Lanshi 2nd Road, Chancheng District, Foshan City, Guangdong Province8seat10-12The number (i.e., the main entrance of the market) has an abundant supply of goods, a complete range of varieties, wide coverage, favorable prices, and stable and superior quality!

　　The company uses high-quality stainless steel and exquisite craftsmanship to ensure there are no weld marks at the interfaces. Its products feature novel designs, elegant craftsmanship, and long-lasting durability. The company has always adhered to the principle of quality first and reputation first. It is equipped with mature production facilities and has strong technical strength, thus ensuring the quality of its products. The company is willing to make unremitting efforts to join hands with our customers to create a win-win situation and provide high-quality products for our partners.