ductile cast iron flanged gate valve
1.Flanges: EN1092-2 PN16,
2.soft seal

ductile cast iron gate valve
Material
1   Body   Cast iron/Ductile iron
2   Bonnet   Cast iron/Ductile iron
3   Wedge   Cast iron/Ductile iron with SBR/EPDM  
4   Stem   Stainless steel
5   Bolt Nut   Stainless steel/Steel with zinc

1   Working pressure PN10 PN16
2   Shell pressure PN15 PN24
3   Seat pressure PN11 PN17.6