E fetaui lelei le valve faitotoa naifi mo le palapala ma le vaeluaga o le paipa o loʻo i ai alava, ma o lona ipu alatoto e mafai ona tipi ese le alava mea i totonu;e fa'aaogaina lautele i le fa'auluina o le koale slurry, mineral pulp ma papermaking slag slurry pipeline.Naifi faitotoa valve o le derivative o le faitotoa valve, ma ei ai ona tulaga lelei tulaga ese ma disadvantages.1, O le oloa valve sili ona lelei mo slurry, slurry ma pulp pipeline.2. Faiga faigofie, laʻititi laʻititi, mama mama ma faʻapipiʻi faigofie.Le lelei o le naifi faitotoa valve: e mafai ona faʻaaogaina i le paipa maualalo maualalo.O le valve faitotoa naifi e masani lava ona faʻaaogaina i slurry pipeline, lea e mafai ona taʻua o se valve faʻapitoa mo slurry pipeline.