Flat flange with flat ground bottom to allow the head to sit flatly on a reaction kettle or flask. Fourth joint is a 10/30 outer joint to permit a thermometer to be inserted vertically to the bottom of the vessel.
Unit of Measure
Items
qra-7

QRA-7 Reaction Head, Four-Neck
List Price $330.80

qra-7

QRA-7 Reaction Head, Four-Neck
List Price $332.40

qra-7

QRA-7 Reaction Head, Four-Neck
List Price $346.50

qra-7

QRA-7 Reaction Head, Four-Neck
List Price $478.40

qra-7

QRA-7 Reaction Head, Four-Neck
List Price $488.50
Flange N/A 100 mm N/A 100 mm N/A 100 mm N/A 150 mm N/A 150 mm
Center Neck N/A 24/40 N/A 29/42 N/A 35/25 N/A 24/40 N/A 29/42
Side Necks N/A 24/40 N/A 24/40 N/A 35/25 N/A 24/40 N/A 24/40