DESIGN DESCRIPTION: Design: DIN3352; Manufacture: Factory STD; Face To Face: DIN3202-F4 Flange: DIN2531/2532/2533; Bolt Bonnet; Metal Seal; Material and Working Temp.: Cast Iron and Ductile Iron: 0℃-80℃(32°F -176°F) Brass/bronze Seal: 80℃(176°F) Maximum Stainless Steel Seal: 80℃(176°F) Maximum PARTS AND MATERIAL: NO. PARTS NAME MATERIALS 1 BODY ASTM A126-B/A536,DIN GG25/GGG40 2 SEAT BRONZE/BRONZE/STAINLESS STEEL 3 DISC FACE BRONZE/BRONZE/STAINLESS STEEL 4 BONNET BOLT CAST STEEL 5 BONNET ASTM A126-B/A536,DIN GG25/GGG40 6 BONNET BOLT NUT CAST STEEL 7 O-RING EPDM 8 PACKING BOX ASTM A126-B/A536,DIN GG25/GGG40 9 STEM PACKING SOFT IRON 10 GLAND ASTM A126-B/A536,DIN GG25/GGG40 11 STEM 2CR13/BRASS 12 HAND WHEEL CAST IRON OR DUCTILE IRON 13 NAME PLATE ALUMINUM 14 WHEEL NUT CAST STEEL 15 GASKET EPDM OTHER MATERIALS ARE AVAILABLE UPON REQUEST.