High Vacuum Stopcock with Easy-Action Plug, Bakeable, Ace Glass Incorporated

Supplier: Ace Glass
8194-93 8194-90 8194-92 8194-97 8194-84 8194-91 8194-96 8194-95 8194-98 8194-83
89062-574EA 902.83 CAD
89062-574 89062-576 89062-568 89062-578 89062-556 89062-558 89062-580 89062-582 89062-570 89062-572
High Vacuum Stopcock with Easy-Action Plug, Bakeable, Ace Glass Incorporated
Stopcocks
High vacuum stopcocks are completely bakeable

Stopcocks 89062-568 and -576 use barrel 89062-620 and O-Rings 89062-560. Stopcock 89062-556 uses barrel 89062-512 and O-Rings 89062-560. Stopcock 89062-570 uses barrel 89062-480 and O-Rings 89062-562. Stopcocks 89062-558 and -578 use barrel 89062-494 and O-Rings 89062-562. Stopcocks 89062-572 and -580 use barrel 89062-482 and O-Rings 89062-564. Stopcocks 89062-574 and -582 use barrel 89062-488 and O-Rings 89062-566.

They feature a solid PTFE stem and glass filled PTFE threads and handle for dimensional stability and reduced expansion when heated. The barrel is borosilicate glass. An ultimate vacuum of 10-7 can be attained with the standard FETFE O-Rings. An ultra-high vacuum down to 10-9 can be attained by baking out the system and O-Rings at 230°C (446°F) for two hours or more. A smooth acting semi-needle valve permits adjustment of the opening. Reference marks on the body aid in repetitive setting.

Ordering information: Stopcocks are available complete with PTFE plug and glass barrel, or components may be purchased separately. Supplied complete with FETFE O-Rings.
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