Application1、face To Face Is According To Din32022、flange Drilled Is According To Bs4504/en1091-23、nominal Pressure Pn10/pn16testdiameter:dn40-dn600connection:flangeworking ...
Double Flange Concentric Type Butterfly Valveface To Face Din 3202 F16flange Din Pn10/16body Di Ggg40, Ss304/ssdisc Di /ss304/ss316stem Ss420seat Epdm ...