PFA/PTFE Valves – PTFE Manual Stop Cock Valves, PTFE 1/2 Turn Ball Valves, PTFE Sampling Valves, 1/4", 1/2", 3/4" & 1" PFA Diaphragm Valves, PTFE Slurry Valves, PFA Stop Cock Valves, PFA Needle Valves, Miniature PTFE Daiphragm Valves, PTFE Check Valves, PFA Relief Valves