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  • Pressure Vessel Maintain

      Pressure vessels used in large quantities in the chemical industry, due to the corrosiveness of the medium, the hot and cold reaction conditions, transportation, use, and man-made problems, there will always be such and other damage to the enamel layer, resulting in unnecessary production ...
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  • Pressure Vessel Material Subsitution

    Material substitution Note the following :Material substitution regulations   In the process of equipment design and manufacturing, it is often difficult to purchase and select materials or due to insufficient economic consideration and analysis. Material substitution is widely used in the d...
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  • How to test Pressure Vessel

    Pressure Vessel Test External inspection Also known as inspection during operation, the main contents of the inspection include: whether there are any abnormal phenomena such as cracks, deformation, leakage, and local overheating on the outer surface of the pressure vessel; whether the safety acc...
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  • Pressure Vessel Other introduction

    Other introduction Pressure vessel A sealed container that bears gas or liquid pressure inside or outside and has high requirements for safety. In the early chemical industry, the reaction pressure was mostly below 10 MPa. However, after the emergence of high-pressure production processes such as...
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  • Pressure Vessel Relevant regulations

    Relevant regulations Relationship with other technical standards and other management regulations: This regulation is the guarantee of the basic safety performance of fixed pressure vessels, and also the safety requirements that must be met and reached. Other standards shall not be lower than the...
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  • Pressure Vessel Special case classification

    Special case classification (1) When the coordinate point is located on the classification line of Figure A-1 or Figure A-2, the category is classified according to the higher category. (2) For media that are not clearly specified in the two standards GB 5044 and HG 20660, the chemical nature, ha...
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  • Multi-chamber pressure classification

    Multi-chamber pressure classification Multi-cavity pressure vessels (such as the tube side and shell side of heat exchangers, jacketed vessels, etc.) are classified as the type of the vessel according to the high-class pressure cavity and used and managed according to this category. However, the ...
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  • Pressure Vessel Basic classification method

    Basic classification method   The classification of pressure vessels should be based on the characteristics of the medium, and the classification diagram should be selected according to the following requirements, and then the coordinate points should be marked according to the design pressu...
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