Stopcocks
Ace Glass, Inc. 0-4mm 90 degree high vacuum stopcock
0-4mm 90 degree high vacuum stopcock that eliminates exposure to corrosive materials. Stopcock can be used to at least 13.6 Kg internal pressure. Ultimate vacuum of 10-7 can be realized with the standard three seals. The smooth acting valve permits fine adjustment of the opening. The front ring seal makes a positive closure against a precision-formed heavy glass seat. The PTFE plug is not bakeable, and the O-rings are not replaceable. Reference marks on the body aid in repetitive setting.
Ace Glass, Inc. 4mm stopcock straight bore PTFE plug
4mm straight bore stopcock with polished barrels and 1:5 PTFE plug.
Ace Glass, Inc. 0-10mm vacuum stopcock w/UHDPE handle PTFE plug
0-10mm threaded vacuum stopcock with PTFE plug with UHDPE handle. Needle valve permits smooth valve adjustment down to 0.1 cc/min flow rate. Double PTFE ring seals prevent exposure of FETFE backup O-ring to corrosive gases and liquids.
Ace Glass, Inc. Trap, dry ice condenser, glass hose connections, PTFE stopcock bottom
Trap, dry ice condenser, glass hose connections, PTFE stopcock bottom
Ace Glass, Inc. 0-3mm 3-way high vacuum stopcoc
0-3mm 3-way high vacuum stopcock that eliminates exposure to corrosive materials. Stopcock can be used to at least 13.6 Kg internal pressure. Ultimate vacuum of 10-7 can be realized with the standard three seals. The smooth acting valve permits fine adjustment of the opening. The front ring seal makes a positive closure against a precision-formed heavy glass seat. The PTFE plug is not bakeable, and the O-rings are not replaceable. Reference marks on the body aid in repetitive setting.