I-Line Fittings can be measured by different locations on the fitting in order to determine size. As you can see with the line drawing for a Male I-Line Ferrule below, you can measure the following locations to determine the size of your fitting.
  • Outside Diameter of Flange
  • Outside Diameter of Tube End
  • Inside Diameter of Tube End
Please consult the tables below for I-Line Fitting Dimensions
Male I-Line Ferrule Dimensions
Male I-Line Ferrule Dimensions

Male I-Line Ferrule Dimensions

Size Outside Diameter (OD) Inside Diameter (ID) BOSS Butt-Weld (BW)
1" 1.9975" 0.870" 1.2405" 1.010"
1.5" 1.9975" 1.370" 1.7405" 1.510"
2" 2.6425" 1.870" 2.2405" 2.010"
2.5"3.3095"2.370"2.7405"2.510"
3"3.8725"2.870"3.3005"3.010"
4"4.8725"3.834"4.2975"4.010"
6"7.4975"5.782"6.8305"6.010"
8"9.4900"7.782"8.8305"8.010"

Female I-Line Fitting Dimensions
Female I-Line Fitting Dimensions

Female I-Line Ferrule Dimensions

Size Overall Length (OAL) Outside Diameter (OD) Butt-Weld (BW) Bore
1".786" 1.9975" 1.010" .870"
1.5" .942" 1.9975" 1.510" 1.370"
2" 1.036" 2.6425" 2.010" 1.870"
2.5" 1.161" 3.3095" 2.510" 2.370"
3" 1.223" 3.8725" 3.010" 2.870"
4" 1.348" 4.8725" 4.010" 3.834"
6" 1.130" 7.4975" 6.010" 5.782"
8" 1.130" 9.4975" 8.010" 7.782"
View all I-Line Fittings Please contact us with any other questions.