metal seated gate valves Body/bonnet:GG25 seat: Brass, Bronze Stem :SS420 ... stem, size 1-1/2" - 24" 2) BS5163/5150 gate valve, PN10-16, rising stem or non-rising stem, size 1 ... -1/2" - 48" 3) DIN F4 / F5 gate valve, PN10-16, rising stem or non-rising stem, size 1 ...