This high velocity impinger passes 6L/min

(corrected to engineering standard gas conditions) when the pressure drop across the orifice is 41cm Hg. or greater. The tip of the capillary stem is 4mm from the flask bottom. Joint is [ST] 24/25. Center tube is 11mm O.D.; side tube is 8mm O.D. with bulge. Fabricated from borosilicate glass.