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129 results for Stopcocks

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Stopcocks

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.

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Thermo Scientific™ Nalgene™ Two- and Three-Way Stopcocks with Hose Barb Connections
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Stopcocks with GL thread connection, BOLA
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Burette stopcocks, lateral or straight

Burette stopcocks, lateral or straight

Supplier: Brand

Borosilicate glass 3.3.

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Masterflex® Stopcocks with Tube Compression and NPT Connections, PTFE, Avantor®

Masterflex® Stopcocks with Tube Compression and NPT Connections, PTFE, Avantor®

Supplier: Avantor Fluid Handling

Use with caustic and high-purity liquids in many applications.

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Stopcocks, three way

Stopcocks, three way

Supplier: Lenz Laborglas GmbH & CO.KG

DURAN®, borosilicate glass, with solid glass or PTFE key.

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Tri-camp GL-stopcocks, BOLA

Tri-camp GL-stopcocks, BOLA

Supplier: Bohlender

Made of PTFE/PP.

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Dynalon Two-Way Stopcocks with Hose Barb Connections

Dynalon Two-Way Stopcocks with Hose Barb Connections

Supplier: Avantor Fluid Handling

Easily adjust flow.

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Stopcocks for burettes, PTFE

Stopcocks for burettes, PTFE

Supplier: HIRSCHMANN

PTFE stopcock, with PP tips, replaceable.

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Eco stopcock plugs, with bore and taper 1:10

Eco stopcock plugs, with bore and taper 1:10

Supplier: Bohlender

PTFE, white.

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Vacuum stopcocks, BOLA

Vacuum stopcocks, BOLA

Supplier: Bohlender

Made of PTFE.

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Stopcock, b.safe

Stopcock, b.safe

Supplier: Bohlender

The grip position indicates if the passage is open or closed.

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Elbow stopcock, b.safe

Elbow stopcock, b.safe

Supplier: Bohlender

90° Elbow fitting. To connect b.safe Waste Tubes to b.safe Waste Caps without bending. Integrated stopcock with plug made of PTFE-EX to stop the flow through b.safe Waste Tubes when canisters are to be exchanged or emptied.

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Stopcocks for burettes, lateral

Stopcocks for burettes, lateral

Supplier: HIRSCHMANN

Lateral burette stopcock, made of borosilicate glass, with glass key, clear glass.

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Stopcocks, Nalgene®

Stopcocks, Nalgene®

Supplier: Thermo Fisher Scientific

Polypropylene with PTFE plug.

   Sustainable Options Available
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Stopcocks, straight through, with tip

Stopcocks, straight through, with tip

Supplier: COWIE

Made of PTFE.

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Replacement stopcock for aspirator bottles

Replacement stopcock for aspirator bottles

Supplier: Brand

Spare stopcock, 19.05 mm, for aspirator bottles, with PP adapter and 2 FKM seals

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Stopcocks for burettes, straight

Stopcocks for burettes, straight

Supplier: HIRSCHMANN

Straight burette stopcock, made of borosilicate glass, with glass key for burettes, clear glass.

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Stopcocks, for storage tanks, Nalgene®

Stopcocks, for storage tanks, Nalgene®

Supplier: Thermo Fisher Scientific

LDPE, white.

   Sustainable Options Available
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Stopcocks for burettes, lateral-valve

Stopcocks for burettes, lateral-valve

Supplier: HIRSCHMANN

Lateral burette stopcock with PTFE spindle, made of DURAN®, borosilicate glass 3.3, for burettes, clear glass.

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Three-way stopcock, Nalgene®

Three-way stopcock, Nalgene®

Supplier: Thermo Fisher Scientific

PP, translucent with PTFE tap, white.

   Sustainable Options Available
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Spare parts for stopcock-plugs, BOLA

Spare parts for stopcock-plugs, BOLA

Supplier: Bohlender

Washer, BOLA, PTFE, For: NS 10,0, Washers, PTFE, taper 1:10, M 7 thread

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Spigots

Spigots

Supplier: BURKLE

Media-contacting parts PP, PE and PTFE.

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Eco stopcock plugs, with taper 1:5

Eco stopcock plugs, with taper 1:5

Supplier: Bohlender

Made of PFTE, white, with grip and nut of PP, red.

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Burette stopcocks, straight, with PTFE spindle

Burette stopcocks, straight, with PTFE spindle

Supplier: HIRSCHMANN

DURAN®, borosilicate glass, clear, with PTFE spindle.

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Stopcocks for desiccators

Stopcocks for desiccators

Supplier: Brand

Stopcocks made of borosilicate glass 3.3 are suitable for Novus desiccators with lid socket.

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Spigot, brass

Spigot, brass

Supplier: BURKLE

Barrel tap for petrochemical liquids.

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Stopcocks, needle, Nalgene®

Supplier: Thermo Fisher Scientific

Spigot is installed on a threaded HDPE boss which is welded onto the tank at the factory.

   Sustainable Options Available
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Ball valves with thread

Ball valves with thread

Supplier: BURKLE

Ball valve made of PP with outer/inner thread.

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Replacement stopcocks

Replacement stopcocks

Supplier: LAMAPLAST

Stopcock for carboys/ bottles, screw fitting 19.05 mm and opening Ø 19 mm

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Tube pinch valves

Tube pinch valves

Supplier: KARTELL

HDPE with PP tap.

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