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Ace Glass, Inc. 0-4mm high vacuum Easy Action stopcock

Supplier: Ace Glass, Inc. 818904
0-4mm high vacuum Easy Action stopcock with Tef-Cap O-ring seals eliminate exposure to corrosive materials. For use to at least 13.6 Kg internal pressure. An ultimate vacuum of 10-7 can be realized with the standard three seals. Smooth acting valve permits fine adjustment of the opening. Front ring seal makes a positive closure against a precision-formed heavy glass seal. NOT bakeable. O-Rings are NOT replaceable. Reference marks on the stopcock body aid in repetitive setting. Replacement plugs with O-Rings sold separately.
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