Ana amfani da ƙofar baƙin ƙarfe mai zagaye da murabba'in fitarwa na ruwa mai tafiya guda ɗaya, tsari mai tsanani, aiki mai aminci, babu buƙatar buɗewa da rufewa daga matsin lamba na ruwa, lokacin da matsin lamba na ruwa a cikin ƙofar baƙin ƙarfe ya fi matsin lamba na waje ya buɗe, akasin haka ya rufe.
Bolt ko fadada waya na baƙin ƙarfe da aka yi amfani da bakin karfe ko carbon karfe da aka yi amfani da shi don hana lalacewa, da hatimi ta roba ko roba gasket. Amfani da matsin lamba na ƙofar baƙin ƙarfe shine 0.1MPa-1.0MPa, zafin jiki mai amfani ≤ 50 ℃. Cibiyar ƙofar baƙin ƙarfe da cibiyar runway ba ya kamata ya fi 3.0 mm ba; ya kamata a bar sararin shigarwa na 400 mm a kewaye da shi, an yi kwanciyar 1: 5 a ƙarƙashin fitarwar ƙofar. Gidan baƙin ƙarfe ƙofar shigarwa za a iya zuba ta amfani da flange haɗi da kankare. Gidan baƙin ƙarfe ƙofar dace da ruwa tsarin, municipal sharshara ruwa, birni rigakafi ambaliyar ruwa, shara ruwa tsaftacewa masana'antu, famfo ruwa masana'antu da sauransu.