The advantages of weld connection:
  • No need to drill on the steel, timesaving, no need to damage section of the material, to make full use of the material.
  • Any shapes of components can be connected directly, don't need auxiliary parts generally, connection is simple, short stress transmission line, widespread applicability.
  • Weld connection has good gas tightness, water tightness and rigidity. LF weld technique is approved by BV and SGS.
But weld connection also has problems during site operation: delivery inconvenience, high transportation cost, difficult site welding, long construction period etc.
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