法蘭蝶閥適用於自來水系統、電廠和工業管道作為雙向啟閉和調節設備。 它的調節範圍是從O O 到90'全開。

Flange butterfly valve is applicable to tap water system, power plant and industrial pipeline as two-way opening,

closing and regulat­ing equipment. Its regulating range is from O O to 90' full opening.