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.

Three Way Valves are used for transfer of liquids or gases in order to release the flow, to block it or to change its direction.

For use with narrow neck HDPE aspirator

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.

Two Way Valves are used for transfer of liquids or gases in order to release the flow, to block it or to change its direction.

Heavy-duty nylon

Use these stopcocks for a variety of applications. Cole-Parmer™ 4-way Stopcocks feature a PC body and an HDPE stem.

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.

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

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

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

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

GPE Scientific™ J Young O-Ring Tap Needle Valve incorporates a PTFE piston sealed as the O-ring with a PTFE needle shut-off point.

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

Fisherbrand™ PTFE Burette Stopckcock, Straight Through Type supplied with 8mm diameter sidearm in borosilicate glass, bore is 2mm.

Controls release of liquid. Azpack™ Aerotap Tube for ASP-620 Series Aspirator Bottle is air-vented for continuous bottle aspiration.

Fits all sizes

Inserts into the ground glass side-socket of an aspirator botte. Pyrex™ Borosilicate Glass Aspirator Stopcock with Ground Cone provides a leakproof seal.

Use this tap with HDPE aspirators. HDPE Spare Taps are leak proof and designed for use with 25mL aspirators and jerrycans (PN: P025/01 and P025/03).

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

GPE Scientific™ J Young T Shape Taps, Fine Thread Type are made in various stopcock sizes and with different side arm diameters.

GPE Scientific™ J Young In Line Taps, Fast Thread are made in various stopcock sizes and with various side arm diameters.

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.

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

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