... 2.corriosion resistant, heat preservation 3.customize for you butterfly handle gas ball valve1.Model No. : XLD-1119 2.Material:Body ... , Brass as aboveSealing : PTFE/TEFLON,VITON,O-RINGS. Handle : Iron handle,Stainless steel handle,Aluminium handle,Plastic handle.Nut : Brass nut,Steel nut,Iron nut,all ...