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Stopcocks

435  results were found
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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Description:   Bore: 2mm; Plug Size: 17/40; Sidearm OD: 8mm; Clip Size: #1. Stopcock has three sidearms sealed 90[degree] apart. The solid glass plug has a 'T' shaped bore so that any two or all three sidearms can be connected at one time.
Catalog Number: 80074-088
Supplier: Chemglass


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Description:   10mm plug only. Large capacity funnels with choice of glass or fluoropolymer resin stopcocks. Stem length is approx. 130mm below stopcock on all sizes. For replacement stoppers see CG-3018 for #38, CG-3000 for 45/50.
Catalog Number: 80074-152
Supplier: Chemglass


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Description:   Replacement 2mm 'T'-Bore Glass Plug. Four port manifold with 2mm bore glass stopcocks on the ports. A 'T' -bore stopcock is located 100mm from the end of the manifold and 40mm from the first port.
Catalog Number: 80074-106
Supplier: Chemglass


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Description:   Bore: 4mm Plug Size: 17/40; Sidearm O.D; 10&12; Clip Size: #4. Similar to CG-400 but with one arm of the stopcock being of a larger diameter. Larger arm facilitates construction of stronger apparatus such as separatory funnels, burets etc.
Catalog Number: 80074-068
Supplier: Chemglass


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Catalog Number: 60005-108
Supplier: Kemtech America


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Catalog Number: 60005-112
Supplier: Kemtech America


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Catalog Number: 60005-130
Supplier: Kemtech America


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Catalog Number: MFLX06225-52
Supplier: ASAHI/AMERICA INC



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Description:   Material; body-polycarbonatevalve plug-polyethylene 1-way stopcockfemale luer to male luer The following tubing nuts and ferrules are required to make the initial tubing connections to the end fittings of Chromaflex AQ and Chromaflex OR Columns.
Catalog Number: KT420163-0001
Supplier: DWK Life Sciences (KIMBLE)



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Catalog Number: MFLX06225-54
Supplier: ASAHI/AMERICA INC



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Description:   Bore Size: 4; Plug Size: 15.2/30; Sidearm OD: 10mm. Straight bore stopcock having a 1:5 taper solid fluoropolymer resin plug.
Catalog Number: 80074-142
Supplier: Chemglass


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Description:   Replacement 4mm fluoropolymer resin Plug Only. General purpose gravity eluted column having fluoropolymer resin stopcock, reinforced beaded top. Column constructed of MEDIUM WALL TUBING. Glass wool (not supplied) used to support column packing.
Catalog Number: 80074-160
Supplier: Chemglass


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Description:   Bore Size: 2; Plug Size: 15.2/30; Sidearm OD: 7mm. Similar to CG-424, but with all three arms being made of capillary tubing having a bore of 2mm.
Catalog Number: 80074-222
Supplier: Chemglass


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Description:   Bore: 4mm; Plug Size: 17.35/50; Sidearm OD: 10mm. Hollow plug, oblique bore stopcock precision ground with corresponding numbers on barrel and plug. Lower vacuum chamber is evacuated via a separate hole in the plug which is not in the line of flow.
Catalog Number: 80074-316
Supplier: Chemglass


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Description:   Bore: 4mm; Plug Size: 17/40; Sidearm O.D; 10mm; Clip Size: #4. The 1mm through 6mm bore sizes are supplied complete with the listed size of CG-423 metal retaining clip.
Catalog Number: 80074-044
Supplier: Chemglass


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Description:   Bore Size: 6; Plug Size: 24/40; Sidearm OD: 12mm. A: 1:5 taper fluoropolymer resin stopcock with three stems sealed 90[degree] apart. fluoropolymer resin plug has a 'T' shaped bore to connect any two or all three stems.
Catalog Number: 80074-214
Supplier: Chemglass


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Description:   Green HDPE. 16mm O.D. The low friction properties of high density polyethylene allows for  easy turning of key which requires no lubricant, thus eliminating blockage of the bores with grease.  
Catalog Number: 71070-124
Supplier: Dynalon



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Description:   Bore: 6mm; Plug Size: 20/44; Sidearm O.D; 12mm; Clip Size: #5. The 1mm through 6mm bore sizes are supplied complete with the listed size of CG-423 metal retaining clip.
Catalog Number: 80074-046
Supplier: Chemglass


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Description:   Bore: 10mm; Plug Size: 35/56; Sidearm O.D; 19mm;. The 1mm through 6mm bore sizes are supplied complete with the listed size of CG-423 metal retaining clip.
Catalog Number: 80074-050
Supplier: Chemglass


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Description:   Bore Size: 6; Plug Size: 16/35; Sidearm OD: 12mm. Straight bore stopcock having a 1:5 taper solid fluoropolymer resin plug.
Catalog Number: 80074-146
Supplier: Chemglass


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Description:   Bore Size: 1; Plug Size: 11/25; Sidearm OD: 7mm. Straight bore stopcock having a 1:5 taper solid fluoropolymer resin plug.
Catalog Number: 80074-134
Supplier: Chemglass


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Description:   Bore: 2mm; Plug Size: 12.6/40; Sidearm OD: 8mm. Hollow plug, oblique bore stopcock precision ground with corresponding numbers on barrel and plug. Lower vacuum chamber is evacuated via a separate hole in the plug which is not in the line of flow.
Catalog Number: 80074-314
Supplier: Chemglass


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Description:   GLASS, HIGH VACUUM, STRAIGHT BORE. Bore: 6mm; Plug Size: 20/44; Sidearm OD: 12mm. Solid glass high vacuum stopcock having the NEW Chemglass improved constant pressure retention device.
Catalog Number: 80074-284
Supplier: Chemglass


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Description:   Bore Size: 4; Plug Size: 16.2/56; Sidearm OD: 10mm. Solid glass high vacuum stopcock having the NEW Chemglass improved constant pressure retention device.
Catalog Number: 80074-296
Supplier: Chemglass


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Catalog Number: 60005-210
Supplier: Kemtech America


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Catalog Number: 60005-184
Supplier: Kemtech America


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Catalog Number: 60005-218
Supplier: Kemtech America


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Catalog Number: 60005-136
Supplier: Kemtech America


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Catalog Number: 60005-126
Supplier: Kemtech America


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Catalog Number: MFLX06222-20
Supplier: THERMO FISHER SCI ROCHESTER



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Catalog Number: MFLX06225-20
Supplier: THERMO FISHER SCI ROCHESTER



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Description:   Plug Style: Plain Snelling; Plug Size: 12/30; Bore: 2mm. This stopcock is especially designed for the repair of the sidearm on Schlenk vessels.
Catalog Number: 80074-082
Supplier: Chemglass


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Catalog Number: 60005-150
Supplier: Kemtech America


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Description:   Bore Size: 2; Plug Size: 15.2/30; Sidearm OD: 8mm. A: 1:5 taper fluoropolymer resin stopcock with three stems sealed 90[degree] apart. fluoropolymer resin plug has a 'T' shaped bore to connect any two or all three stems.
Catalog Number: 80074-210
Supplier: Chemglass


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Catalog Number: 76253-224
Supplier: VALUE PLASTICS TE



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Description:   GLASS, HIGH VACUUM, STRAIGHT BORE. Bore: 2mm; Plug Size: 12/30; Sidearm OD: 8mm. Solid glass high vacuum stopcock having the NEW Chemglass improved constant pressure retention device.
Catalog Number: 80074-280
Supplier: Chemglass


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Description:   Bore: 2mm; Plug Size: 12/30; Sidearm O.D; 8mm; Clip Size: #1. The 1mm through 6mm bore sizes are supplied complete with the listed size of CG-423 metal retaining clip.
Catalog Number: 80074-040
Supplier: Chemglass


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Description:   Bore Size: 4; Plug Size: 14.4/44; Sidearm OD: 10mm. A 1:5 taper fluoropolymer resin stopcock having two parallel diagonal bores.
Catalog Number: 80074-246
Supplier: Chemglass


Small Business Enterprise

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Description:   8mm O.D. The low friction properties of high density polyethylene allows for  easy turning of key which requires no lubricant, thus eliminating blockage of the bores with grease.  
Catalog Number: 71070-130
Supplier: Dynalon



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Description:   Complete with fluoropolymer resin Plug. Bore Size: 2; Plug Size: 11/25; Sidearm OD: 8&9mm. Similar to CG-424 but with one arm of stopcock being a larger diameter to facilitate construction of stronger apparatus like separatory funnels, etc.
Catalog Number: 80074-182
Supplier: Chemglass


Small Business Enterprise

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Description:   Bore: 2mm; Plug Size: 17/40; Sidearm OD: 8mm. Similar to CG-458, but with three stems sealed 90[degree] apart. Solid glass plug has a 'T' shaped bore so that any two or all three arms can be connected at one time.
Catalog Number: 80074-274
Supplier: Chemglass


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Catalog Number: 470344-718
Supplier: Wards



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Description:   Bore Size: 2; Plug Size: 11/25; Sidearm OD: 8mm. Straight bore stopcock having a 1:5 taper solid fluoropolymer resin plug.
Catalog Number: 80074-138
Supplier: Chemglass


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Catalog Number: 60005-208
Supplier: Kemtech America


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Catalog Number: 60005-110
Supplier: Kemtech America


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Catalog Number: 60005-202
Supplier: Kemtech America


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Catalog Number: 60005-156
Supplier: Kemtech America


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Description:   Complete with fluoropolymer resin Plug. Bore Size: 4; Plug Size: 15.2/30; Sidearm OD: 10&12mm. Similar to CG-424 but with one arm of the stopcock being of a larger diameter.
Catalog Number: 80074-184
Supplier: Chemglass


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Description:   Manual 3-Way Luer Valve
Catalog Number: 100133-888
Supplier: Ala Scientific Instruments



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Catalog Number: MSPP-FCFMR001
Supplier: VALUE PLASTICS INC MS



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Catalog Number: MSPP-120721-00
Supplier: AD INSTRUMENTS MS



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