Stopcocks
Stopcocks work as valves, serving to regulate, interrupt or completely stop the flow of a gas or liquid through piping, tubing or a faucet, with tubes attached to the stopcock’s female joint easily separated or connected by a turn of the stopcock. Stopcocks may be held in place by vacuum, rubber rings or clips. Glass stopcocks need stopcock grease for lubricating and sealing the plug and shell. Glass stopcocks with plastic plugs are sealed without grease but are less effective for high vacuum. Plastic plug glass stopcocks, however, work well for low vacuum applications.
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Ace Glass, Inc. 1MM STOPCOCK GB 1MM STOPCOCK GB
Glass 1mm straight bore stopcock with a solid glass plug and a tapered flange, which insures maximum strength at the seal. The bore of the side arms is equal to or slightly larger than the bore of the plug.
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Ace Glass, Inc. 2mm hi vacuum stopcock HLW double oblique
2mm precision-grade, hi vacuum stopcock, with double oblique bore hollow plug. Plug has a hole to permit evacuation of the lower chamber, and prevents leakage through the bottom.
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Ace Glass, Inc. Stopcock, 0-5mm, 90° arms, high vacuum, glass plug with knurled nylon handle
Stopcock, 0-5mm, 90° arms, high vacuum, glass plug with knurled nylon handle
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Ace Glass, Inc. 2mm hi vacuum stopcock SLD double oblique
2mm precision-grade, hi vacuum stopcock, with double oblique bore solid plug. Plug has a hole to permit evacuation of the lower chamber, and prevents leakage through the bottom.