DESIGN DESCRIPTION:  Design: AWWAC509-94;  Manufacture: Factory STD;  Face To Face: ANSI B16.10  Flange: ANSI B16.1;  Bolt Bonnet;  Soft Seal;  Material and Working Temp.:  Cast Iron and Ductile Iron: 0℃-200℃(32°F -392°F)  Buna-N: 0℃-71℃(160°F) Maximum  EPDM: 0℃-80℃(176°F) Maximum PARTS AND MATERIAL: NO. PART NAME MATETIAL 1 Body ASTM A126-B/A536,DIN GG25/GGG40 2 Disc Ductile iron with NBR/EPDM 3 Bonnet ASTM A126-B/A536,DIN GG25/GGG40 4 Stem packing NBR OR Graphit 5 Gland ASTM A126-B/A536,DIN GG25/GGG40 6 Stem Stainless steel 7 Stem nut Brass 8 Handwheel Cast iron or Ductile iron 9 Nut holder Cast iron or Ductile iron 10 H.w.nut Carbon steel OTHER MATERIALS ARE AVAILABLE UPON REQUEST