Glass Stopcocks

Azlon™ Spare Stopcock for Narrow Neck HDPE Aspirator

Azlon™ Spare Stopcock for Narrow Neck HDPE Aspirator

For use with narrow neck HDPE aspirator

Rotaflo™ Borosilicate Glass Stopcocks for Aspirator

Rotaflo™ Borosilicate Glass Stopcocks for Aspirator

Stopcock for use with aspirator bottles 1565: series with Rotaflo™ PTFE key

Lenz Laborglasintrumente 3-Way Stopcock with PTFE Plug

Lenz Laborglasintrumente 3-Way Stopcock with PTFE Plug

Made of high quality materials. Each manufacturing step is tested through an extensive quality management system, based on DIN ISO 9001/EN 29001.

Thermo Scientific™ Nalgene™ Three-way Stopcock

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.

Fisherbrand™ PTFE Burette Stopckcock, Straight Through Type

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 Stopcock Assembly for Acrylic Burets

Thermo Scientific™ Nalgene Stopcock Assembly for Acrylic Burets

For use with 25 mL Acrylic Nalgene Break-Resistant Burets.

Cowie Technology™ PTFE T-Type Stopcocks

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.

Thermo Scientific™ Nalgene™ 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™ Borosilicate Glass High Vacuum Double Bore Stopcock

Pyrex™ Borosilicate Glass High Vacuum Double Bore Stopcock

Constructed of Borosilicate glass. Pyrex™ Borosilicate Glass High Vacuum Double Bore Stopcock keys and barrels are precision ground together in matched pairs for optimum performance. Each key and barrel are numbered to ensure they are always paired together. All side-arms are 100mm in length.

BRAND™ Straight-Bore PTFE Stopcocks

BRAND™ Straight-Bore PTFE Stopcocks

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

Pyrex™ Borosilicate Glass Stopcock with 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.

BRAND™ PTFE/ Polypropylene T-bore Stopcock

BRAND™ PTFE/ Polypropylene T-bore Stopcock

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

Pyrex™ Straight Bore Stopcock

Pyrex™ Straight Bore Stopcock

These stopcocks are specially designed and carefully manufactured for high vacuum applications

BRAND™ Lateral Burette Stopcock for Burette, Amber

BRAND™ Lateral Burette Stopcock for Burette, Amber

Lateral Burette Stopcock for Burette includes an interchangeable glass key.

BRAND™ T-Bore Stopcock

BRAND™ T-Bore Stopcock

T-Bore Stopcock is constructed of PTFE and includes a nozzle.

Pyrex™ Borosilicate Glass Aspirator Stopcock with Ground Cone

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™ SilberBrand™ Burette with Lateral Stopcock

BRAND™ SilberBrand™ Burette with Lateral Stopcock

Boro 3.3 glass class B burette with lateral stopcock

Pyrex™ Plain Arms, Straight Bore Stopcock

Pyrex™ Plain Arms, Straight Bore Stopcock

Externally operated valve to regulate the flow of a liquid.

BRAND™ Needle-Valve Stopcock and Burette Lateral Stopcock

BRAND™ Needle-Valve Stopcock and Burette Lateral Stopcock

Stopcock with interchangeable PTFE valve spindle, a cap, and a retention device.

BRAND™ Needle-Valve Stopcock and Spare Spindle

BRAND™ Needle-Valve Stopcock and Spare Spindle

Needle-Valve Stopcock and Spare Spindle constructed of PTFE with retention device.

BRAND™ Straight Needle-Valve Stopcock

BRAND™ Straight Needle-Valve Stopcock

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

BRAND™ Straight Burette Stopcock with PTFE Key

BRAND™ Straight Burette Stopcock with PTFE Key

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

BRAND™ PTFE Stopcock with Screwings and Sealings

BRAND™ PTFE Stopcock with Screwings and Sealings

PTFE Stopcock with screwings and sealings for use with compact and automatic burettes.

DWK Life Sciences DURAN™ 90° Valve, GU

DWK Life Sciences DURAN™ 90° Valve, GU

Angle valve as an inexpensive alternative.

Lenz Laborglasintrumente Vacuum Stopcocks, 1-Way, Straight

Lenz Laborglasintrumente Vacuum Stopcocks, 1-Way, Straight

Made of high quality materials. Each manufacturing step is tested through an extensive quality management system, based on DIN ISO 9001/EN 29001.

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