Plain top, general purpose column for analytical chromatographic separations. Glass stopcock and bottom stem are replaced by a PTFE valve and PTFE stem assembly which virtually eliminates the possibility of stem breakage. The unique valve only requires a quarter turn from fully open to closed.

Replacement valve
#4451-42
#4451-44

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Valve Size

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N/A Chromatography, Column, with PTFE Valve N/A 10 mL N/A 11 mm N/A 150 mm N/A 2 mm N/A 1 $153.68 Add To Cart
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N/A Chromatography, Column, with PTFE Valve N/A 15 mL N/A 11 mm N/A 200 mm N/A 2 mm N/A 1 $153.68 Add To Cart
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N/A Chromatography, Column, with PTFE Valve N/A 20 mL N/A 11 mm N/A 250 mm N/A 2 mm N/A 1 $143.78 Add To Cart
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N/A Chromatography, Column, with PTFE Valve N/A 25 mL N/A 15 mm N/A 250 mm N/A 2 mm N/A 1 $164.76 Add To Cart
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N/A Chromatography, Column, with PTFE Valve N/A 30 mL N/A 11 mm N/A 300 mm N/A 2 mm N/A 1 $160.48 Add To Cart
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N/A Chromatography, Column, with PTFE Valve N/A 40 mL N/A 15 mm N/A 200 mm N/A 2 mm N/A 1 $164.76 Add To Cart
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N/A Chromatography, Column, with PTFE Valve N/A 80 mL N/A 15 mm N/A 500 mm N/A 2 mm N/A 1 $189.73 Add To Cart
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N/A Chromatography, Column, with PTFE Valve N/A 80 mL N/A 19 mm N/A 300 mm N/A 2 mm N/A 1 $178.58 Add To Cart
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N/A Chromatography, Column, with PTFE Valve N/A 110 mL N/A 22 mm N/A 300 mm N/A 2 mm N/A 1 $191.07 Add To Cart
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N/A Chromatography, Column, with PTFE Valve N/A 113 mL N/A 19 mm N/A 400 mm N/A 2 mm N/A 1 $191.07 Add To Cart
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N/A Chromatography, Column, with PTFE Valve N/A 130 mL N/A 22 mm N/A 350 mm N/A 2 mm N/A 1 $196.60 Add To Cart
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N/A Chromatography, Column, with PTFE Valve N/A 140 mL N/A 19 mm N/A 500 mm N/A 2 mm N/A 1 $200.72 Add To Cart
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N/A Chromatography, Column, with PTFE Valve N/A 190 mL N/A 22 mm N/A 500 mm N/A 4 mm N/A 1 $213.95 Add To Cart
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N/A Chromatography, Column, with PTFE Valve N/A 220 mL N/A 30 mm N/A 350 mm N/A 4 mm N/A 1 $209.69 Add To Cart
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N/A Chromatography, Column, with PTFE Valve N/A 250 mL N/A 30 mm N/A 400 mm N/A 4 mm N/A 1 $218.82 Add To Cart
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N/A Chromatography, Column, with PTFE Valve N/A 300 mL N/A 30 mm N/A 500 mm N/A 4 mm N/A 1 $234.73 Add To Cart
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N/A Chromatography, Column, with PTFE Valve N/A 440 mL N/A 30 mm N/A 700 mm N/A 4 mm N/A 1 $290.16 Add To Cart
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N/A Chromatography, Column, with PTFE Valve N/A 630 mL N/A 34 mm N/A 700 mm N/A 4 mm N/A 1 $331.93 Add To Cart
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N/A Chromatography, Column, with PTFE Valve N/A 650 mL N/A 41 mm N/A 500 mm N/A 4 mm N/A 1 $268.04 Add To Cart
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N/A Chromatography, Column, with PTFE Valve N/A 900 mL N/A 41 mm N/A 700 mm N/A 4 mm N/A 1 $390.27 Add To Cart
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N/A Chromatography, Column, with PTFE Valve N/A 1100 mL N/A 49 mm N/A 600 mm N/A 4 mm N/A 1 $406.79 Add To Cart
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N/A Chromatography, Column, with PTFE Valve N/A 1300 mL N/A 49 mm N/A 700 mm N/A 4 mm N/A 1 $406.79 Add To Cart
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