... valve: 1)AWWA ,BS,DIN 2)Body:Ductile cast iron,PN10/16/25 3)Stem:Stainless steel 4)Size: ... valve 1)AWWA ,BS,DIN 2)Body:Ductile cast iron,PN10/16/25 3)Stem:Stainless steel 4)Size ... Metal seated gate valve1)AWWA ,BS,DIN2)Body:Ductile cast iron,PN10/16/253)Stem:Stainless steel4)Size:DN40-DN1000mmNon ... pollution to drinking water. 3.The disc is ductile cast iron with brass sealing rings. 4.The body material ...