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. 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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Chemrus Inc ADAPTER FIT 29/42 OUTER JOINT
Chemrus glass vacuum adapter, glass taper outer joint on the top to connect disposable filter funnels, PTFE stopcock to control the vacuum source, fit 29/42 outer joint
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Ace Glass, Inc. Stopcock, 3-way, 4mm bore, 20/44 T-bore plug, 10mm OD, sidearms
4mm bore 3-way stopcock with sidearms and a 20/44 T-bore solid glass plug. 10mm O.D.
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Ace Glass, Inc. 2MM STOPCOCK GB 2MM STOPCOCK GB
Glass 2mm 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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