What are the welds on the skirt?
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When doing design, the requirements are stated in the "Uniform Regulations on Design Technology" given by the owner.: Other pressure-bearing welds on vessel barrel sections that undergo 100% non-destructive testing of butt joints, as well as weld testing between accessories and pressure-bearing components, shall meet the following requirements: 1. The welds of the skirt should be ultrasonic tested using longitudinal or transverse waves. ； Does the "skirt weld" mentioned here refer to the connection weld between the skirt and the head, or does it also include the longitudinal and circumferential welds on the skirt?
Mainly refers to the weld between the skirt and the head
It should refer to the connection weld between the skirt and the head. Because the weld here is on a curved surface, longitudinal or transverse waves must be used for ultrasonic testing.
I think it mainly refers to the welding with the head.
"The "skirt weld" refers to the connection weld between the skirt and the head, and also includes the longitudinal and circumferential welds on the skirt.