Stainless steel is recognized as a healthy material that can be implanted in the body. It has been widely used in China and the developed countries in the world. It is the "ultimate product" to replace iron and plastic parts. Stainless steel pipe fittings are recognized as the most environmentally friendly, most advanced and most Scientific product.
First, the advantages of stainless steel water pipes
1, health and wellness
Stainless steel is a healthy material that can be implanted into the human body, so the choice of stainless steel tubing is the most beneficial for the water supply pipe. The soaking water test, all the indicators are in line with the national requirements for drinking water standards. The inner wall of the stainless steel pipe is smooth, it will not be fouled for a long time, and it is not easy to be stained by bacteria. It is not necessary to worry about the water quality being affected, and it can prevent the secondary pollution of water.
2, select materials pay attention to
All raw materials are graded 304, 304L, 316, 316L, all in accordance with JIS4305 requirements. The above grades have the characteristics of stable performance, high strength and low thermal expansion coefficient.
3, durable
The thin and dense chromium-rich oxide film on the stainless steel surface makes the stainless steel water pipe have good corrosion resistance in all water quality including soft water, and has excellent corrosion resistance even when buried. The field corrosion test data indicates that the stainless steel water pipe The service life can reach 100 years, almost no maintenance is required in the life cycle, the cost and trouble of pipeline replacement are avoided, and the comprehensive use cost is low.
4, high temperature, high pressure
Stainless steel can work safely for a long time at -270°C-400°C. No matter whether it is high temperature or low temperature, no harmful substances will be precipitated, and the material performance is quite stable. The tensile strength of stainless steel water pipe is more than 530 N/mm, and it has good extension. Sex and resilience. The high strength of the stainless steel water pipe greatly reduces the possibility of water leakage caused by external forces, significantly reduces the water leakage rate, and enables the water resources to be effectively protected and utilized.
5, energy saving and environmental protection
The inner wall of the stainless steel pipe is smooth and the water resistance is very small, which reduces the pressure loss and reduces the transportation cost. Due to the low coefficient of thermal expansion of stainless steel, the heat energy loss is effectively reduced in the hot water pipe. Stainless steel is a 100% renewable material that does not cause environmental hazards.
6, a wide range of uses
Stainless steel pipe can be widely used in cold water, hot water, drinking water, air, gas, medical gas, petroleum, chemical, water treatment and other pipeline systems.
7, economical and practical
Since humans invented stainless steel in the 20th century, stainless steel is now a common material. At present, in the performance price ratio of various material water pipes, the best is stainless steel water pipes. This is related to the superior performance of stainless steel materials such as corrosion resistance, high strength and strong impact resistance. Its service life can be said to be the same as the life of the building. One investment, a lifetime benefit, can be described as "one time and for all."
Second, the characteristics of stainless steel water pipes:
1. Recognized as the most healthy and environmentally friendly material, no causative carcinogenic factors.
2. High material strength, superior corrosion resistance and good thermal insulation performance.
3, the connection is safe and reliable, high strength, anti-vibration, the connection part will be "dead" at one time, effectively avoiding the looseness of the pipe caused by house vibration, water hammer vibration, pipeline resonance, slight earthquake.
4. The construction is convenient and fast, avoiding complicated and dangerous ferrule operation and welding operation on the construction site. The installation time is only 1/3 of the ferrule pipe fittings or welded pipe fittings.
5. Meet the requirements for embedded installation in concealed projects.
6. What is even better is that there is almost no need to maintain and update stainless steel pipes during the life of the building.
Third, the connection method and advantages and disadvantages of stainless steel water pipes
Stainless steel water pipe nominal diameter connection method using pressure material advantages and disadvantages connection method advantages and disadvantages
DN ≤ 100 card pressure connection 1.6Mpa up to 2.5Mpa advantages:
Excellent anti-corrosion performance, long service life, more economical; protect water quality, meet sanitary standards; high strength, can withstand the general destructive force; is a substitute for PPR pipe, steel-plastic composite pipe, aluminum-plastic composite pipe
Disadvantages:
The first investment is slightly higher: the most reliable and safe mature connection method in foreign countries, anti-vibration, thermal expansion and contraction, high pressure resistance, avoiding water leakage hazards, convenient and quick construction, suitable for embedded installation, maintenance-free, free of updates Excellent economic performance
Disadvantages: special tools are required, which cannot be removed after pressing
DN125～300 groove connection 1.6Mpa up to 2.5Mpa Advantage: one of the most common connections in China, easy to operate, good for construction safety, high pressure resistance, good system stability, convenient maintenance, wide application range
Disadvantages: relatively bulky, not suitable for small diameter pipes
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