Stopcocks
Stopcocks
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.
Promotions are available
Thermo Scientific™ Nalgene™ Stopcocks
Develop in-house fluid transfer systems for accurate filling or dispensing. These stopcocks provide reliable, accurate liquid flow control.
Kartell™ Plastilab™ Straight-Bored Stopcocks
Designed for liquids and gases under low pressure or low vacuum.
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.
Thermo Scientific™ Nalgene Stopcock Assembly for Acrylic Burets
For use with 25 mL Acrylic Nalgene Break-Resistant Burets.
Fisherbrand™ PTFE Burette Stopckcock, Straight Through Type
Fisherbrand™ PTFE Burette Stopckcock, Straight Through Type supplied with 8mm diameter sidearm in borosilicate glass, bore is 2mm.
BRAND™ Stopcock For Aspirator Bottle
Fits all sizes
BRAND™ T-Bore Stopcock
T-Bore Stopcock is constructed of PTFE and includes a nozzle.
Pyrex™ Borosilicate Glass Aspirator Stopcock with Ground Cone
Inserts into the ground glass side-socket of an aspirator botte. Pyrex™ Borosilicate Glass Aspirator Stopcock with Ground Cone provides a leakproof seal.
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.
