Ace Glass Inc 8195-45 Stopcock High Vacuum, Easy Action Plug, 0-3mm

Ace Glass, 8195-45, Stopcock High Vacuum, Easy Action Plug, 90, Bakeable, Size 0-3mm

Completely bakeable high vacuum stopcock. Plug has solid PTFE stem and glass-filled PTFE threads and handle for dimensional stability and reduced expansion when heated. Barrel is borosilicate glass. Arms are at 90. An ultimate vacuum of 10(-7) can be realized with the standard O-Rings. An ultra high vacuum down to 10(-9) can be attained by baking out the system and O-Rings at 230C for two hours or more. Smooth acting semi-needle valve permits the adjustment of opening. Reference marks on the body aid in repetitive setting. Supplied with FETFE O-Rings.