Glass Stopcocks

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.

Bel-Art™ SP Scienceware™ Stopcocks

With a removable, leak-proof plug made of chemical-resistant, non-stick PTFE with barbed tubulations that accept 1/4 to 3/8 in. I.D. tubing

Masterflex™ Stopcocks with Luer Connection, male lock, 1-way

Use these stopcocks for a variety of applications. Masterflex™ Stopcocks with Luer Connections feature a PC body and an HDPE stem.

Kartell™ Plastilab™ Straight-Bored Stopcocks

Designed for liquids and gases under low pressure or low vacuum.

BRAND™ Straight-Bore PTFE Stopcocks

PTFE construction with polypropylene valve lever. Provides outstanding chemical resistance. Includes integrated hose nozzles.

BRAND™ Straight Burette Stopcock with PTFE Key

Straight Burette Stopcock for Burette Cap includes an interchangeable PTFE key.

Masterflex™ 3-way Stopcock

Regulate flow without any leaking with these stopcocks. Cole-Parmer™ Three-Way Stopcocks feature a male luer lock, PC body and an HDPE stem. Handle rotates 180 degrees.

Masterflex™ 3-Way Large Bore Stopcock

Perfect for handling higher flow volumes in process while using connections similar to luer systems. Cole-Parmer™ 3-Way Large Bore Stopcock is non-sterile and not approved or intended for medical, clinical, surgical or other patient oriented applications.

DWK Life Sciences DURAN™ Straight Valve, PRODURAN™

The perfect solution for dosing and controlling gases and liquids as a through put variant.

Buerkle™ Hose tubing stop-cock

Hose tubing stop-cock – Simple reflux nozzle with two-sided hose nozzle.

Thermo Scientific™ Nalgene™ Stopcocks

Develop in-house fluid transfer systems for accurate filling or dispensing. These stopcocks provide reliable, accurate liquid flow control.

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.

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.

Cowie Technology™ PTFE T-Type Stopcocks

Cowie Technology™ PTFE T-Type Stopcocks feature a pure PTFE body and plug and combine all the desirable properties of the Ultimate Laboratory Stopcock.

Cole-Parmer™ PVC Stopcocks with Flow Indication

Eliminate guess work with these stopcocks with flow indication. Cole Parmer™ PVC Stopcocks with Flow Indication feature PVC bodies, EPDM seals and seats. Flow indicator on handle.

Pyrex™ Plain Arms, Straight Bore Stopcock

Externally operated valve to regulate the flow of a liquid.

Kimberly-Clark™ Z-Folded Hand Towels

Perfect for high traffic areas, consistent quality at an affordable price. Kimberly-Clark™ Z-Folded Hand Towels have a clever Z-Fold design to prevent ripping and reduce waste.

BRAND™ Straight Needle-Valve Stopcock

Straight Needle-Valve Stopcock is constructed of glass and includes a polypropylene cap.

BRAND™ Lateral Burette Stopcock for Burette, Amber

Lateral Burette Stopcock for Burette includes an interchangeable glass key.

BRAND™ Straight Burette Stopcock for Burette, Amber

Straight Burette Stopcock for Burette includes an interchangeable glass key.

BRAND™ Lateral Burette Stopcock for Burette

Lateral Burette Stopcock for Burette includes an interchangeable glass key.

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.

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