Longitudinal and circumferential welded seams shall not interfere with nozzle openings, reinforcement plates and saddle pads, as far as possible.
纵向及环形焊缝应尽可能不防碍设备口、加强板、支承垫等。
2
The nozzle bell has an integrally machined stiffening ring for structural reinforcement.
喷嘴钟一整体加工加劲环的结构加固。
3
There will be great stress concentration appearing nearby the junction of nozzle and shell of pressure vessels with big openings, so reinforcement is absolutely necessary.