不銹鋼球閥 銅製球閥 EAL100-TFE EAL100-TLE EAL100-TNE EAL200-TE EAL200-TFE EAL200-TLE EAL200-TNE EA100-UTFE EA100-UTGE EA100-UTNE EA200-UTE EA200-UTFE EA200-UTGE EA200-UTNE EAB200-UTE EAB100-UTE EAB200-UTE EAB200-UTFE EAB100-UTFE EAB200-UTFE EAB200-UTGE EAB100-UTGE 1 2 3 4 5