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Characteristics of Pressure Vessel Standards

Characteristics of Pressure Vessel Standards

Characteristics of Pressure Vessel Standards


1.Various types

Due to the unshaped and multi-variety characteristics of pressure vessel products, the standards involved are incomparable to any product. According to statistics, there are more than 400 kinds of pressure vessel products.

2.Open type

Chinese standards adopt an open system and are difficult to collect.

3.Enclosed type

The American Society of Mechanical Engineers (ASME) boiler and pressure vessel code is an authoritative closed standard.

Basic framework of pressure vessel standard system in China


According to the information, the Chinese government attaches great importance to the safety issues in the design, manufacture, installation, use, inspection, repair and modification of pressure vessels. In 1977, the first edition of Design Requirements For Steel Pressure Vessels In Petrochemical Industry was promulgated. With continuous improvement, China's pressure vessel system has technical standards represented by GB150 Steel Pressure Vessels and safety supervision regulations represented by Pressure Vessel Safety Technology Supervision Regulations. The two complement each other and constitute a complete system of China's pressure vessel standards to ensure the safety of pressure vessel products.

China pressure vessel product standard Steel Pressure Vessel GB150-2011

Here, we focus on the Steel Pressure Vessel GB150-2011 in the pressure vessel product standard, which was implemented on March 1, 2012. Its scope of application is: design pressure: ≤ 35MPa, design temperature: by material; Applicable structure is the general structure of pressure vessel; the standard content: including general rules, materials, structure (welding, sealing), strength calculation, manufacturing, inspection, acceptance, overpressure relief, cryogenic vessels, etc.; Its reference standards: materials, test methods, welding, non-destructive testing, load specifications, etc.; its properties: mandatory. GB150 is one of the most important standards for pressure vessels. It is rich in content but cannot cover all of them. Also, it cannot solve the strength calculation of some special structures and components.
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