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Company News About Clean Nitrogen Pipeline Air Supply Introduction

Clean Nitrogen Pipeline Air Supply Introduction

2022-03-04
Clean Nitrogen Pipeline Air Supply Introduction

 

All high purity, high purity in the clean nitrogen pipe is required to be delivered to the instrument (POU) through the pipeline. In order to achieve the quality requirements of the instrument, in the case of gas outlet indicators, it is necessary to pay more attention to the pipe system, material selection and construction quality. In addition to the accuracy of the gas or purification equipment, it is largely affected by many factors of the pipeline system. Therefore, the selection of pipes should abide by the relevant industry principles, and indicate the pipeline material.

 

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The material of the clean nitrogen pipeline is selected according to the needs of the use, and the 316L BA is commonly used in contact with the chip but does not participate in the process reactive. The surface roughness in the tube is a standard for measuring the quality of pipe. The lower the roughness, the particle carrying possibilities are greatly reduced.


Clean nitrogen pipelines can absorb about 200 g of gas per ton during the stainless steel smelting material. The stainless steel is processed, not only the surface is adhesive, but also a certain amount of gas is also affected in its metal lattice. When there is air flow in the pipeline, this part of the gas resides in the metal will re-enter the airflow, and pollute the pure gas. When the intractive flow of the tube is not continuous flow.


When the pipe is adsorbed under pressure, the gas is adsorbed, the gas is stopped, and the gas adsorbed by the pipe has formed a step-down analysis, and the parsed gas is also used as impurities into the pure gas in the pipe. At the same time, adsorption, analyze, so that the surface of the pipe also produces a certain powder, which is also a purified gas in the tube. This feature of clean gas pipeline is critical, in order to ensure the purity of the gas delivered, not only require a very high smoothness of the inner surface, but also high wear resistant characteristics.

 

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When the gas is strong in corrosion, it is necessary to use the corrosion-resistant stainless steel pipe. Otherwise, the pipe of clean gas pipeline will generate corrosion spots due to corrosion, and there will be large metal stripping or even perforation, and thereby pollution Pure gas with a pure gas.