Ole mea'ai-grade welded diaphragm valve o lo'o pulea mamao e le masini aveta'avale po'o le fa'aogaina ma le lima e le au.O le masini aveta'avale e tolu tulaga: ituaiga tapuni masani, ituaiga tatala masani ma le kesi.O loʻo i ai le lelei o le fausaga faigofie, foliga matagofie, vave faʻamavaeina ma faʻapotopotoga, faʻaogaina faʻaogaina, faʻafefe vai laiti, faʻaoga saogalemu ma faʻatuatuaina, ma isi E talafeagai mo le puleaina o le vai, kesi, suauu ma faʻasalalauga faʻasalalau i vailaʻau kemisi, suauu. , metallurgy, faʻavevela vai, meaʻai, vailaʻau ma isi pisinisi.