It is indispensable to install a suitable pipe union in the pipeline, in proximity to the burner, to allow for easy disassembly of the burner and opening of the boiler door.
英
美
- 为了便于燃烧器拆卸和打开锅炉门,在接近燃烧器的管子的地方装上合适的活接是必不可少的。