Sanitary stainless steel pipe is a new type of steel pipe. Sanitary stainless steel pipe is closely related to us in daily life. The following is a brief summary of the scope of application of sanitary stainless steel pipe.
Sanitary stainless steel pipes are mainly used in food, beverage, wine, biological engineering and other production equipment and production lines. It is mainly for the surface finish, oil resistance and passivation layer of the stainless steel pipe;
1. Surface finish: Polish the inner and outer surfaces of the steel pipe to make the surface of the steel pipe bright; that is, the mirror surface we often say. The main purpose is to prevent the fluid material in the pipe from forming a hanging wall in the pipe, which is easy to contaminate and cause blockage in the pipe after a long time.
2. Passivation layer: After polishing, the steel pipe needs to be put into the passivation tank for immersion, and the surface of the steel pipe is oxidized with an acidic passivation solution to form a passivation layer to achieve the anti-corrosion effect of the steel pipe.
3. Oil-free degree: After passivation is completed, oil-free cleaning is performed to remove oil stains on the surface of the steel pipe. After completion, it needs to be checked with a grease analyzer. It is mainly to prevent the oil pollution of the pipe wall itself from contaminating the fluid substances in the pipe.
Sanitary Stainless Steel:
The Ministry of Health approves the technical requirements and uses of stainless steel for medical equipment:
1. No metal precipitation that is harmful to humans;
2. Implantable stainless steel;
3. Stainless steel for medical equipment. This belongs to the category of sanitary stainless steel;
Food Grade Stainless Steel:
The Ministry of Health approves stainless steel related to food products, requiring:
1. There should be no metal precipitation that is harmful to food;
2. There can be no precipitation phase, so the final solution treatment must be carried out;
3. Stainless steel that is in contact with ingestible substances belongs to the category of food-grade stainless steel.
Sanitary pipe fittings have good corrosion resistance, heat resistance, low temperature strength and mechanical properties. Corrosion resistance in the atmosphere, if it is an industrial atmosphere or heavily polluted area, it needs to be cleaned in time to avoid corrosion. Suitable for food processing, storage and transportation. Has good processability and weldability.
Sanitary pipe fittings are parts that connect pipes into pipelines and are made of stainless steel. According to the connection method, it can be divided into welding type, clamp type and screw type connection.
In piping systems, elbows are pipe fittings that change the direction of piping. According to the angle, there are three commonly used ones: 45° and 90° and 180°. In addition, according to the needs of the project, it also includes other abnormal angle elbows such as 60°. The materials of elbows are cast iron, stainless steel, alloy steel, malleable cast iron, carbon steel, non-ferrous metals and plastics. The ways to connect with the pipe are: direct welding (commonly used) flange connection, hot melt connection, electrofusion connection, threaded connection and socket connection, etc. According to the production process, it can be divided into: welding elbow, stamping elbow, push elbow, casting elbow, butt welding elbow, etc. Other names: 90-degree elbow, right-angle bend, love and bend, etc.
Products are produced according to GB12459, SHJ, HGJ, ANST, JIS, DIN, ISO and other standards.
Materials are: stainless steel 304, 316L, 201 and other materials:
1. Packing method (plastic protective pocket + carton, export plastic packaging method + wooden box)
2. Specifications: DIN standard (DN15-DN159) (3/4"-4") ISO standard (Ф19.1-Ф159)
3. Connection method: (quick installation, butt welding)
4. Pipe fitting standards: ISO, DIN, IDF, 3A, etc.
5. Pipe fitting material: stainless steel 304, 316, 316L
6. Quality and use: The product is treated with high-grade polishing equipment inside and outside to meet the surface precision requirements; quick installation and spot welding with imported welding equipment. This product is suitable for beer, pharmaceutical, dairy, food, beverage, machinery manufacturers and large-scale sanitary projects.
7. Advantages of pipe fittings: It can not only meet the requirements of sanitary quality in the appeal industry, but also replace imports. It has the advantages of simple structure, beautiful appearance, quick assembly and disassembly, quick switch, flexible operation, small fluid resistance, safe and reliable use, etc.
8. Material: The steel parts are made of acid-resistant stainless steel, and the seals are made of food silicone rubber, which conforms to food hygiene standards.
9. External processing: Non-standard products can be processed according to user requirements with drawings and samples.