srijeda, 16.11.2016.
Sanitary fittings do not produce corrosion
Sanitary fittings do not produce corrosion, pitting, corrosion or wear. The corrosion resistance of sanitary pipe fittings with the carbon content of stainless steel decreased, therefore, most health-grade pipe fittings are low carbon content, its main alloying element is Cr, only when the Cr content reaches a certain value, health Grade pipe fittings have corrosion resistance.
The Role of Chromium in Sanitary Pipe Fittings
Chromium is the health-grade pipe to obtain the basic elements of corrosion resistance, when the health-grade pipe fittings containing chromium content of about 12%, chromium and corrosive media in the role of oxygen in the elbow surface to form a thin layer of oxidation Membrane, and prevent the further corrosion of the elbow. In addition to chromium, the commonly used alloying elements are nickel, molybdenum, titanium, niobium, copper, nitrogen, etc., to meet the various pipe environments on the stainless steel structure and performance requirements.
304 sanitary fittings and 316 health-grade pipe fittings
304 sanitary fittings is the most widely used health-grade pipe fittings, heat-resistant steel elbow. For food production equipment, general chemical equipment, nuclear energy. 304 stainless steel is a versatile stainless steel, rust-proof performance than the 200 series of stainless steel materials to be stronger. High temperature is also better, can be high to 1000-1200 degrees. 304 stainless steel with excellent corrosion resistance and good corrosion resistance to intergranular corrosion.
316 sanitary fittings are mainly used in the food industry, the pharmaceutical industry and surgical equipment, add molybdenum elements to obtain a special structure of corrosion resistance. Its corrosion resistance is better than the 304 sanitary pipe fittings, in the pulp and paper production process has good corrosion resistance performance. And 316 sanitary valves pipe fittings are also resistant to erosion of marine and erosive industrial atmosphere. In addition, 316 elbows have better resistance to chloride corrosion than 304 elbows.
Oznake: pipe fittings, sanitary fittings
- 06:40 -
How does sanitary pipe fittings operate?
How does sanitary pipe fittings operate?
Pipeline installation of the sanitary fittings used in the degreasing operation process:
Some media in the production, transportation or storage, use, exposure to a small amount of grease will be immediately burning and causing an explosion, causing serious accidents. Other media exposure to oil will affect the quality and quantity of the product. Therefore, pipes, sanitary fittings, sanitary valves, gauges, sealing materials, tools and gauges used for installation of these pipes must be strictly degreased before installation and installation. Degreasing the operation process, in fact, is a chemical cleaning process.
(1)Before degreasing according to the working medium, sanitary pipe fittings, pipe diameter, dirty and other preparation of degreasing program. Where degreasing the pipeline should be installed before the pipeline or put into operation to complete the degreasing work.
(2)Equipment, pipes and sanitary fittings, etc. must meet the following conditions degreasing: transportation or storage of materials such as grease and other organic matter may change the characteristics of the use of materials, causing combustion or explosion; to ensure the activity of catalyst or product purity ; Design requirements must be degreasing or control of oil and other organic content of the equipment, pipes and sanitary pipe fittings, such as direct method of production of concentrated nitric acid plant, air separation plant, chemical, oil refinery engineering equipment, pipes, sanitary fittings .
The double-pressure card and single card pressure difference of Sanitary pipe fittings
The use of metal materials, the effective stiffness and elasticity of the sealing material of the principle of compression, while taking full advantage of the length of the socket, sanitary fittings in the mouth of the U-groove on both sides of the connection with the jaw crimping way called double.
Dual-pressure-type advantages: dual-pressure-type pipe fittings inherited all the advantages of compression-type pipe fittings, and make up a single-pressure pipe fittings in the use of the existing shortcomings.
It is widely used in the fields of direct drinking water, tap water, hot and cold water, heating, gas, fire sprinkling and many other system fields. It is the most reliable and reliable connection way in domestic thin-walled metal pipe connection.
Oznake: sanitary fittings
- 06:28 -
Sanitary pipe fittings is security assured products
Sanitary pipe fittings is security assured products
Dairy processing industry began extensive use of nickel-containing austenitic stainless steel in the 1940s, but its application history can be traced back to 1913. By improving milk production efficiency, safe handling and handling processes, stainless steel has reduced the baseline cost of the product from 100 in the 1920s to 55 in 2000.
Sanitary pipe fittings In Europe, more than 20 million cows dairy enterprises, stainless steel is everywhere, the visit to the Tallun farm is such a teaching experience: 8% nickel S30400 stainless steel, milk equipment for milking, milk Piping to the giant milk tank, and the 18,000-liter giant milk tank itself. Moreover, the scrubbing vessel is also stainless steel, the plate cooler is also made of stainless steel, it makes the milk temperature decreased by 15 ° C, after milk into the milk tank to further cooling. Even carts that collect milk are also made of stainless steel, not to mention milk packaging equipment.
Sanitary pipe fittings In addition to the rubber pad, all parts of the contact with milk are all stainless steel. Stainless steel must be able to resist corrosion, which not only take into account the milk itself, but also taking into account the cleaning chemicals and local water quality and other factors, the water quality varies, each produce 1000 liters of milk consumption of 750-3000 liters of water.
Sanitary Pipe Fittings Tetra Pak, a company that provides production and packaging solutions for food products, uses S31600 stainless steel for all equipment except milk tanks and frozen liquid milk process plants because of its better corrosion resistance. S31600 stainless steel is also suitable for hot milk and cleaning equipment with hot cleaning agent and disinfectant medium; dairy farmers will milk heated to blood temperature, the use of cold cleaning agent, such media conditions S30400 stainless steel that has sufficient corrosion resistance.
Stainless Steel Sanitary valves deliver milk from the tanker to the cooler, which cools the milk below 4 ° C and then into a storage capacity of
The cream returned to the milk is homogenized and prevented from being separated after mixing. The milk is pasteurized at a temperature of 72-75 ° C, and the remaining cream is treated as such, and then cooled to 2-4 ° C. And a finished milk silo with a capacity of 15,000-60,000 liters. From where the milk passes through the entire stainless steel piping system and is packaged in glass bottles or plastic bottles or cardboard boxes for consumer use.
Stainless steel sanitary fittings have many of the characteristics of today's dairy farmers can not do without the use of stainless steel, the main one is clean: "We wash the equipment once a day with hot water, stainless steel is a very good material."
Nickel in stainless steel Crystal structure is a combination of metallurgy, a microscope to see the thin surface oxide layer of chromium can prevent the occurrence of corrosion. In fact, in the production, storage or distribution of milk, the nickel in stainless steel is not transferred to the milk; it is safe and secure use.
Oznake: sanitary fittings
- 06:06 -
