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Chemglass

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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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Description:   Bore: 4mm; Plug Size: 17.35/50; Sidearm OD: 10mm. Solid plug, oblique bore stopcock precision ground with corresponding numbers on barrel and plug. Lower vacuum chamber is evacuated with a separate bore in the plug which is not in the line of flow.
Catalog Number: 80074-318
Supplier: Chemglass


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Description:   Complete with fluoropolymer resin Plug. Bore Size: 6; Plug Size: 16/35; Sidearm OD: 11&12mm. Similar to CG-424 but with one arm of the stopcock being of a larger diameter.
Catalog Number: 80074-186
Supplier: Chemglass


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Description:   Bore Size: 8; Plug Size: 24/40; Sidearm OD: 16mm. Straight bore stopcock having a 1:5 taper solid fluoropolymer resin plug.
Catalog Number: 80074-148
Supplier: Chemglass


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Description:   Bore: 2; Plug Size: 14.5/50; Sidearm OD: 8mm. Hollow plug, double oblique bore stopcock precision ground with corresponding numbers on barrel and plug.
Catalog Number: 80074-320
Supplier: Chemglass


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Description:   Bore Size: 8 & 10; Barrel Size: 24/40; Sidearm OD: 16mm. Glass portion only of CG-424. Accepts 1:5 taper fluoropolymer resin plugs.
Catalog Number: 80074-180
Supplier: Chemglass


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Description:   Bore: 4mm; Plug Size: 17/40; Sidearm OD: 10mm. Solid glass plug has a threaded glass snelling which accepts an assembly similar to the one supplied with standard fluoropolymer resin stopcocks. Consists of fluoropolymer resin washer and nut, and Viton O-ring.
Catalog Number: 80074-272
Supplier: Chemglass


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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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Description:   PLUG ONLY FOR CG-424 FLUOROPOLYMER RESIN STOPCOCKS. Bore Size: 3; Plug Size: 15.2/30. Straight bore stopcock having a 1:5 taper solid fluoropolymer resin plug.
Catalog Number: 80074-162
Supplier: Chemglass


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Description:   Bore: 2mm; Plug Size: 11/25; Sidearm OD: 7mm. Similar to CG-424, but with both arms being made of capillary tubing having a bore of 2mm.
Catalog Number: 80074-196
Supplier: Chemglass


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Description:   Bore: 4mm; Plug Size: 17.35/50; Sidearm OD: 10mm. Similar to CG-478, but with the addition of an extra horizontal sidearm. Precision ground, hand lapped, with corresponding numbers on barrel and plug.
Catalog Number: 80074-338
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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