DIN 7631 is Compression couplings with spherical liner; straight compression couplings
This connection is frequently used in hydraulic systems.The male has a straight metric thread and a 60° (included angle) recessed cone. The female has a straight thread and a tapered nose eat. The seal takes place by contact between the cone of the male and the nose of the tapered nose/Globeseal flareless swivel. The threads hold the connection mechanically.
Metric Thread Size Male Thread O.D. mm Female Thread I.D. mm Tube O.D.mm
M12x1.5 12.0 10.5 6
M14x1.5 14.0 12.5 8
M16x1.5 16.0 14.5 10
M18x1.5 18.0 16.5 12
M20x1.5 20.0 18.5 14
M22x1.5 22.0 20.5 15
M24x1.5 24.0 22.5 -
M26x1.5 26.0 24.5 18
M30x2.0 30.0 28.0 22
←Previous: SAE J1926-1 vs ISO 11926-1 standard
Next: DIN 3863 60° Cone Dimensions→