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PYREX 4mm Straight Bore Stopcock with Solid Glass

PYREX 4mm Straight Bore Stopcock with Solid Glass

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Corning This PYREX® straight bore stopcock has a No. 4 Standard Taper glass stopper plug with a 4mm diameter bore. Stopcock sidearms have a 10mm O. D. Closely controlled grinding techniques allow this general use stopcock to be used at pressures down to 10{-4} torr (mm Hg) when correctly greased. For additional strength, sidearm seals are heavy and uniform. For replacement stopcock plugs, see No. 7680-4; for replacement retaining clips, see No. 7280-4CO. - COG

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