High Vacuum Stopcock, with Tef-Cap O-Ring, Ace Glass

Supplier: Ace Glass
8189-50 8189-08 8189-03 8189-04 8189-10 8189-05 8189-43 8189-45
89062-398EA 301.9 USD
89062-398 89062-400 89062-402 89062-404 89062-390 89062-392 89062-394 89062-396
High Vacuum Stopcock, with Tef-Cap O-Ring, Ace Glass
Stopcocks
High vacuum stopcock with Tef-Cap O-Ring seals that eliminate exposure to corrosive materials

For use to 3.5 Kg/cm2 internal pressure. With variable openings from 0 - 3 mm to 0 – 10 mm. An ultimate vacuum of 10-7 can be realized with the standard three seals. Smooth acting valve permits fine adjustment of opening. Front ring seal makes a positive closure against a precision formed heavy glass seat. Hooded handle is permanently attached to PTFE plug and is therefore not bakeable. O-Rings are not replaceable. Reference marks on body aid in repetitive setting.
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