Stopcocks

PYREX™ PTFE Product Standard Straight Bore Stopcock Plug Assembly Available on GSA/VA Contract for Federal Government customers only.

Replacement PTFE stopcock plug assemblies for straight bore PTFE stopcocks

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™ Two-Piece Stopcocks

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

Bel-Art™ SP Scienceware™ Replacement Stopcocks

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

PYREX™ Straight Bore Stopcock Replacement Plugs Available on GSA/VA Contract for Federal Government customers only.

For No. 7280 PYREX straight bore glass stopcocks

Cadence Science™ One-way Stopcocks

Precision-machined, individually lapped, and carefully mated to maintain pressure characteristics

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

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