Regulations on Safety Inspection of Simple Pressure Vessels and Their Relationship with Such Vessels
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What is the relationship between TSG R0003-2007 Regulations on Safety Inspection of Simple Pressure Vessels and NBT 47052-2016 Simple Pressure Vessels?
One is a technical specification, and the other is a standard. Technical specifications are mandatory, while standards are recommended.
TSG R0003-2007 Safety Technical Inspection Regulations for Simple Pressure Vessels has been repealed
The specification requirements for simple pressure vessels have been incorporated into TSG21-2016; the ‘Regulations for Simple Pressure Vessels’ are now completely obsolete.
One is a technical specification, and the other is a standard. Technical specifications are mandatory, while standards are recommended.
TSG refers to special regulations, while NB/T are recommended performance standards; in general, both are standards, but the former are at a higher level and are mandatory, whereas recommended standards are not mandatory. The simplified standard was abolished in 2016 and replaced by the expanded standard.
Is it acceptable to batch 20 simple pressure vessels?
Sure, but the cost needs to be taken into account.
Simple pressure vessels with a design pressure of 1.6 MPa are also classified as Category I equipment!