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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Eisco™ Glass Stopcock with Standard Ground Joint
Glass stopcock with standard ground joint is designed for use with 1000 to 2000 mL aspirator bottles.
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Eisco™ Rotaflow Stopcock Adapter
Made of Borosilicate 3.3 glass with a cone size of 14/23, this adapter has a low temperature gradient to withstand high temperatures and thermal shocks.
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Qosina Corp 3-WAY STOPCOCK, 2 FEMALE LUER
3-Way Stopcock, 2 Female Luer Locks, Swivel Male Luer Lock
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World Precision Instrument 1-Way Stopcock - Luer Lock, Polyacetal & Polycarbonate
- 1-Way Stopcock, Polyacetal & Polycarbonate
- Female Luer Lock-Swivel Male Luer Lock
- Package of 10
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US Plastic Corporation 3/8" HOSE BARB POLYPROPYLENE T
3/8" Hose Barb Polypropylene Three-way Ball Valve with EPDM seals & Red Handle
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Zymo Research Corporation One-Way Luer-Lock Clear Stopcock, 20 pack
One-way Luer-Lock Stopcock to be used with the EZ-Vac™ Vacuum Manifold. For use with Zymo Research purification columns.
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Chemglass Life Sciences 16.2/56 Hi-vac plug only, glass, double oblique
16.2/56 Hi-vac plug only, glass, double oblique. Replacement plug for CG47402.
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Utah Medical Products Inc 3 WAY LUER LOCK STOPCOCK 50/PK
Stopcock, 3-way luer lock, Blue tint, Sterile, 50/BX