... ). Body, Bonnet, material: Carbon Steel (WCB), Stainless Steel (SS304, SS316, SS301, 316L), Cast Iron 4). Seal: Rubber, PTFE, Stainless steel, Hard Alloy 5). Working temperature: Rubber ... water and slag.Materials of main parts Body,cover Gate Stem Seal surfacestainless steel,carbon steel,cast iron stainless steel stainless steel Rubber,TPFE,stainless steel,hard alloy ( function(){ var ...