Specification •Flange dimensions :DIN2533 •Face to face : DIN3202-F1 •Testing confirm to DIN3230 Materials Part Name Materials Body ASTM A126A(B) GG20 GG25 Seat Ring ASTM B36/B62,SS410 Brass,Bronze Disc ASTM A126A(B) GG20 GG25 Hinge Pin A216 WCB GS-C25 Hinge ASTM A126A(B) GG20 GG25 Nut A216 WCB GS-C25 Bonnet ASTM A126A(B) GG20 GG25 Split Pin A216 WCB GS-C25 Bonnet Gasket Graphite Graphite Bolt A216 WCB GS-C25 Washer A216 WCB GS-C25 Nut A216 WCB GS-C25