Size range: dn40-dn600rnmaterial of inner core& bellows: sus304/316/321rnconnection: welded type, flanged typernflange drilling: en1092-1 pn10/pn16, ansi150, bs4504, as2129 table d/e.pressure: pn10, pn16, pn25rnapplication temperature-50 300rnapplications: for the chemical industry, metallurgy, electricity, shipbuilding, constructionrnfor more detail information kindly come to worgocn dot com or contact us sales at worgocn dot com freely.