Fa'atonuga fa'avae ole masini eletise valve
Fa'atonuga fa'avae ole masini eletise ole va'alele I tulaga ole va'a totonu ole atunu'u, o fa'ata'ita'iga ole valve nei e mafai ona fa'asino ile:1. Valve type code Z, J, L, Q, D, G, X, H, A, Y, S i le faasologa: valve gate, valve globe, valve throttle, valve polo, valve butterfly, ...
va'ai fa'amatalaga