Stopcocks

Corning™ Rotaflo™ Stopcocks Available on GSA/VA Contract for Federal Government customers only.

Combined PTFE and borosilicate glass forms a leak- and freeze-resistant seal

Thermo Scientific™ Nalgene™ Three-way Stopcock Available on GSA/VA Contract for Federal Government customers only.

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.

Thermo Scientific™ Nalgene™ Stopcocks Available on GSA/VA Contract for Federal Government customers only.

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

Promega One-Way Luer Lok™ Stopcocks

Allows each port to be controlled individually

Bel-Art™ SP Scienceware™ Stopcocks Available on GSA/VA Contract for Federal Government customers only.

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

Bel-Art™ SP Scienceware™ Replacement Stopcocks

Polypropylene body has Teflon™ PTFE plug, washer and bright red handle

Bel-Art™ SP Scienceware™ Two-Piece Stopcocks

Two-piece design snaps together forming a tight seal, and the free-turning key needs no lubrication

DWK Life Sciences Kimble™ Stopcock Plugs

Parts: PTFE nut, rubber washer and PTFE washer

DWK Life Sciences Kimble™ Replacement Stopcock

Replacement for 17062F Series Burets

PYREX™ Straight Bore Stopcock with PTFE Product Standard Stopper Plug

plug stopcock taper PTFE plug fits into a microfinish barrel

Eisco™ Glass Stopcocks with Standard Ground Joints

Eisco™ Glass Stopcocks with Standard Ground Joints are designed for use with 5000 to 10000 mL aspirator bottles.

Eisco™ Glass Stopcock with Standard Ground Joint

Eisco™ Glass Stopcock with Standard Ground Joint is designed for use with 1000 to 2000 mL aspirator bottles.

Troemner™ Regular Hosecocks with Foot

Hosecock with foot offers easy one-hand operation. Convex bearing surfaces and rounded edges protect tubing.

Troemner™ Regular Hosecock, Stainless Steel

Deliver accurate regulation or interruption of fluid flow

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