ʻO ka Wafer Butterfly Valve a me Flange Butterfly Valve ʻelua mau pilina. Ma ke ʻano o ke kumukūʻai, ʻoi aku ka liʻiliʻi o ke ʻano Wafer, ʻoi aku ke kumukūʻai ma kahi o 2 / 3 o ka Flange. Inā makemakeʻoe e koho i ka valve i laweʻia mai, e like me ka hiki me keʻano Wafer, ke kumu kūʻai liʻiliʻi, ke kaumaha māmā. ʻO ka lōʻihi o ...
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