Although most of the vehicles used today are the National Five Standards, these standards have all increased step by step. It is believed that anyone who bought a tanker knows that every standard increase will lead to an increase in the price of tank cars. Why is this? When the former National Standard Tanker was upgraded to a national standard tanker , its price rose by tens of thousands. Let us analyze why this happened. First, the national four chassis price is an important factor light from the chassis on the difference between the price of 40,000, whether it is Dongfeng or the liberation of any brand, the main factor is in the engine, exhaust gas treatment in the precious metal content price difference, plus the air filter There is also a urea tank next to the device, but the National IV model has 10% more fuel than the State III. Second, the top-loading configuration has changed because frequent domestic traffic accidents, so the vehicle safety on the country to limit the installation of disc brakes for each tanker, ABS, speed limiter device, wire tires, seabed valve (emergency shut-off valve ), European standard tanks and other safety equipment, tank thickness increased by 1mm than before, but these devices can greatly improve vehicle safety performance, but at the same time increase the cost of these configurations will increase by 1-2 million. Third, the tanker must do flaw detection Each factory tanker must now do flaw detection, otherwise it can not be out of the tank inspection report, because the flaw detection equipment is very expensive, so light a small inspection will increase the cost of 4-6 thousand However, this is also to ensure the safety and quality of each vehicle. What is a flaw detection? The flaw detection is non-destructive testing or non-destructive testing. What is non-destructive testing? As the name suggests, it uses the internal structural abnormalities or defects in the material to cause heat, sound, light, electricity, and magnetism without damaging the object being detected. Such changes in response to the detection of various engineering materials, component parts, internal and surface defects, and to determine and evaluate the type, nature, quantity, size, shape, and distribution of defects are NDT. Common non-destructive testing methods include UT ultrasonic testing, RT ray testing, MT magnetic particle testing, PT penetration testing, and ET eddy current testing. Give you some examples of image points, UT you can understand as medical ultrasound, RT understands the hospital X-ray perspective, the difference is that we detect the steel instead of the human body. PT/MT is the use of technology to detect flaws that are not easily visible to the naked eye. The above is why the four-country tanker will be more expensive than the Guosan tanker. Technology will improve, and the use of new technologies will certainly increase the price. However, one penny and one share of goods, because the working environment of the tanker truck is relatively unsafe, and the national four tanker truck will have a greater improvement in safety compared to the country three tanker truck. Polyken 980 (Inner Wrap)
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