DESIGN DESCRIPTION:  Design: MSS SP-70;  Manufacture: Factory STD;  End To End: ANSI B16.10  Thread: NPT,BSP&BSPT,DIN;  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.