Jacketed fractionation distilling head for use under vacuum. The 10/18 top outer joint is for a 1immersion thermometer while the 10/30 joints are for a 2immersion thermometer. The 24/40 and 29/42 sizes use 4mm glass or Teflon stopcocks, and are positioned to permit changing of receiver without interruption of the distillation process. The 14/20 size uses 2mm bore glass or Teflon stopcocks.

Item Number	Item Description	PQ
CG-1247-08	Distilling Head, Vigreux,Jacketed, 10/18 Thermometer Joint,14/20 Joint Size, 2mm Glass Stopcock, Approx. 255mm Height x 310mm Width	EACH
CG-1247-09	Distilling Head, Vigreux,Jacketed, 10/30 Thermometer Joint,24/40 Joint Size, 4mm Glass Stopcock, Approx. 550mm Height x 325mm Width	EACH
CG-1247-11	Distilling Head, Vigreux,Jacketed, 10/18 Thermometer Joint,14/20 Joint Size, 2mm PTFE Stopcock, Approx. 255mm Height x 310mm Width	EACH
CG-1247-12	Distilling Head, Vigreux,Jacketed, 10/30 Thermometer Joint,24/40 Joint Size, 4mm PTFE Stopcock, Approx. 550mm Height x 325mm Width	EACH