Stiefel (Guangdong) Energy Environmental Protection Engineering Co., Ltd. e fa'atupu i ni valve fa'aalofa moe fa'amafanua, e fa'amanatu ma'i ai le gas ma le gaogao i ni tautala burner. O ni valve nei e tausia le elemeta tolu fa'aalofa o le disc e fa'amafai i ai le fa'amafanua, e fa'amolemole mai le pulega malosi ma le fa'amamafa i le fa'amalu meaalo ma gas. E fa'atausi i ni mea pa'apa'a ma lelei ifo ifo, ifoa le stainless steel ma ni alaupu fa'alemanino i le mea fua, e fa'amafai lea i le suiga fa'alemanino ma le tuuga fa'alemanino o ni tautala burner. O ni valve nei e fa'amafai lea lona fa'aleva suiga ma le fa'amamafa itulau, e fa'amolemole mai le manatu o le sistema. Mea lelei ona faiai ai le durability ma le reliability, e fa'atupu i ai le tatala fa'amafai ma le fa'amafai, e fa'amolemole mai le aumaima'i mo ni burner fa'apulotu, boilers, ma ni tautala fa'asaga e fa'amolemole ai le fa'amafanua itulau.