Ace Glass 8192-209 Vacuum Stopcock with UHDPE Handle PTFE Plug, Easy Action, 0-8 mm Bore

Threaded vacuum stopcock comes with PTFE plug with hooded, bakeble handle. Needle valve version permits smooth valve adjustment down to 0.1 cc/min flow rate. Easy action version threads into heavy wall glass barrel also permitting smooth adjustment. Double PTFE ring seals prevent exposure of FETFE backup O-Ring to corrosive gases and liquids. Hooded handle can be removed from plug making plug bakeable.