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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DWK Life Sciences Kimble™ Kontes™ Straight Bore Stopcock with PTFE Plug
The more exaggerated taper of this stopcock permits easier use at higher-than-ambient temperatures.
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AVANTOR MASTERFLEX (VWR LLC) Masterflex Fitting, Polycarbonate, Three-Way, Stopcock with Male Luer Lock, Non-Sterile; 10/PK
Choose stopcocks with either a male luer lock or a male luer slip. Handle rotates 90° on one-way stopcocks, 180° on three-way stopcocks, and 360° on four-way stopcocks. All have PC body and HDPE stem.
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AVANTOR MASTERFLEX (VWR LLC) Masterflex Fitting, Polycarbonate, One-Way, Stopcock with Male Luer Lock, Non-Sterile; 10/PK
Choose stopcocks with either a male luer lock or a male luer slip. Handle rotates 90° on one-way stopcocks, 180° on three-way stopcocks, and 360° on four-way stopcocks. All have PC body and HDPE stem.
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