Glassware Stopcocks
Glass Stopcocks or valves are a part of laboratory glassware like Separating Funnels, Burettes, etc. These are glass shell valves with keys, used for regulating the flow of a gas or liquid. These stopcocks came in several forms and with various plugs/ keys like Glass Keys, PTFE Key, Rotaflow Type Keys etc. Glass stopcocks require greasing for their lubrication and sealing. PTFE (Teflon) Key Stopcocks are the most commonly used, as they do not require any additional greasing and are well suited for low vacuum applications. However, these PTFE key stopcocks are less effective for high vacuum.
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Showing 1–12 of 13 results
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Straight Bore PTFE Key Stopcock
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PTFE Key Stopcock, 3 way T-Bore
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PTFE Key Stopcock, for Burette
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Detachable PTFE Stopcock, for Burette
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Glass Key Stopcock
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Glass Key Stopcock, for Burette
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Rotaflow Stopcock
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Rotaflow Stopcock, for Burette
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Rotaflow Stopcock, for Automatic Burette
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Rotaflow Stopcock, Right Angle
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High Performance Rotaflow Stopcock
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Theil’s Melting Point Tube
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