用途Purpose本蝶閥適用于食品.醫(yī)藥.石油化工.電廠.鋼廠.工業(yè)環(huán)保水處理及高層建筑.供排水管道上作調(diào)節(jié)流量和截?cái)嗔黧w優(yōu)良裝置。Thiskingofbuttervalveissuitableforfoodstuff,Pharmacy,petroleumchemicalindustry,el