E pili ana i ka hana ʻole a me ka mālama ʻana o kaʻO ka Waena Puka Laina Waena ma ka Hoʻohui Flange Pākē
Ma nā kaʻina hana hana ʻoihana,kiwikā lele lele waena he mea hana maʻamau no ka hoʻomalu ʻana i ke kahe a me ke kaomi o ka media wai. Ke hoʻopili ʻia ka valve butterfly centerline i ka flange malfunctions, pono ka mālama ʻana. E hōʻike ana kēia ʻatikala i nā ʻano hana no ka mālama ʻana i nā hewa a me ka mālama ʻana i nā valve butterfly ma ka laina waena o nā pilina flange ma Kina.