Stopcocks
Stopcocks
Thermo Scientific™ Nalgene™ Stopcocks
Develop in-house fluid transfer systems for accurate filling or dispensing. These stopcocks provide reliable, accurate liquid flow control.
Pyrex Pyrex™ Straight Bore Stopcock
These stopcocks are specially designed and carefully manufactured for high vacuum applications
Bel-Art™ Stopcocks
With a removable, leak-proof plug made of chemical-resistant, non-stick PTFE with barbed tubulations that accept 0.25 in. 0.375 in. I.D. tubing
Thermo Scientific™ Nalgene™ Three-way Stopcock
Experience in-house fluid transfer system flexibility with this three-way stopcock, arranged in a T-shape to simply any two — or all three — arms of the stopcock with ease.
BRAND™ Straight-Bore PTFE Stopcocks
PTFE construction with polypropylene valve lever. Provides outstanding chemical resistance. Includes integrated hose nozzles.
Buerkle™ Hose Tubing Stop-Cock
Hose tubing stop-cock – Simple reflux nozzle with two-sided hose nozzle.
Masterflex™ 4-way Stopcock
Use these stopcocks for a variety of applications. Cole-Parmer™ 4-way Stopcocks feature a PC body and an HDPE stem.
Kartell™ Plastilab™ Straight-Bored Stopcocks
Designed for liquids and gases under low pressure or low vacuum.
Thermo Scientific™ Nalgene Stopcock Assembly for Acrylic Burets
For use with 25 mL Acrylic Nalgene Break-Resistant Burets.
BRAND™ PTFE/ Polypropylene T-bore Stopcock
PTFE construction with polypropylene valve lever. Provides outstanding chemical resistance. Includes integrated hose nozzles.
Masterflex™ Stopcocks with Luer Connections
Regulate flow without any leaking using these fittings. Cole-Parmer™ Stopcocks with Luer Connections are available with either a male luer lock or a male luer slip.
Pyrex Pyrex™ Borosilicate Glass Stopcock with Key
Manufactured from Pyrex™ borosilicate glass with PTFE key, for superior chemical resistance. Pyrex™ Borosilicate Glass Stopcock with Key are made to a taper of 1:10 giving a combination of performance and ease of operation.
DWK Life Sciences DURAN™ Single way Stopcock, complete with PTFE key
Shut-off with PTFE plug for grease free operation.
