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With a ball valve, stopcocks control the flow of liquids and low pressure gases in delivery systems. Fitting into corresponding female joint parts, the plugs come in any number of bore hole arrangements. Often featuring tapered ends, a wider tube diameter range is accommodated for to increase working flexibility. The high quality, leak proof stopcocks meet vacuum applications and come in ground glass styles or plastic to eliminate the need of greasing. VWR offers a wide variety of stopcocks suited for use with liquids or gases under both low or high pressure.
Stopcocks, high vacuum
Supplier: SciLabware
Borosilicate glass stopcocks specially designed for high vacuum applications.
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Replacement stopcock for carboys
Supplier: SEMADENI
Replacement HDPE tap for carboys, with hose nozzle Ø 15 mm, thread 12.7 mm and O-ring
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Plug set for wide mouth jerricans
Supplier: hünersdorff GmbH
Wide-mouth plug set for wide-mouth jerrycans.
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Stopcocks for desiccators
Supplier: witeg Labortechnik
Stopcock, with FCH-V 24/29, flat-free high vacuum joint, made of borosilicate glass.
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Discharge stopcock
Supplier: B. Braun
These stopcocks are used for convenient and economical refilling of 5 l canisters.
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Stopcocks for carboys
Supplier: hünersdorff GmbH
Made of fracture-proof and food-safe polyethylene with sleeve connection for a hose.
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Stopcocks, one-way
Supplier: CADENCE SCIENCE
Theses stopcocks, made of nickel plated brass, are precision-machined, individually lapped, and carefully mated to maintain pressure characteristics. These stopcocks are easily integrated with other stopcocks, manifolds, adapters, tubing, needles, and glass syringes.
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Kranen ROTAFLO
Supplier: SciLabware
PYREX®, borosilicate glass with PTFE needle valve.
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Spigot with screw caps for jerricans
Supplier: hünersdorff GmbH
Spigots PROFI with red DIN 60/61 screw cap is ideal for controlled emptying of liquids from industrial jerrycans.
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Spare parts for stopcocks, Rotaflo®
Supplier: SciLabware
Key, Rotaflo®, Voor: General purpose Rotaflo® stopcocks, Replacement key, bore Ø 3 mm
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Torion stopcocks, SLV®
Supplier: SciLabware
Stopcocks are made of borosilicate glass.
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Supplier: EPPENDORF
Supplier: Integra
Supplier: OZ BIOSCIENCES
Supplier: VWR Collection
Supplier: Corning
Supplier: SenseAnywhere
Supplier: Integra
Supplier: NANOENTEK
Supplier: VWR Collection
Supplier: Integra
Supplier: TESTO
Supplier: Sartorius
Supplier: Quantabio