b'TUBE TO TUBE UNIONU N I O N T E EDIMENSIONSTubeA Ax D E FD F D O.D. InchesE 1/8 1.76 0.88 0.50 0.09 3/81/4 2.12 1.06 0.60 0.19 1/25/16 2.34 1.17 0.64 0.25 5/8Ax 3/8 2.40 1.20 0.66 0.28 5/81/2 2.84 1.42 0.90 0.41 13/16Ax 5/8 3.03 1.53 0.96 0.50 1A 3/4 3.14 1.57 0.96 0.62 1-1/167/8 3.52 1.76 1.02 0.72 1-3/81 3.86 1.93 1.23 0.88 1-3/8Millimetres Inches6 53.90 27.00 15.30 4.80 1/28 59.70 29.90 16.20 6.40 5/810 63.00 31.50 17.20 7.90 11/1612 72.00 36.00 22.80 9.50 13/1615 77.60 38.80 24.40 11.90 116 77.60 38.80 24.40 12.70 118 79.60 39.80 24.40 15.10 1-1/1620 89.30 44.60 26.00 15.90 1-3/822 89.30 44.60 26.00 18.30 1-3/825 98.30 49.10 31.30 21.80 1-3/8U N I O N DIMENSIONSTubeA D E FO.D. D D InchesF 1/8 1.40 0.50 0.09 7/161/4 1.61 0.60 0.19 1/25/16 1.69 0.64 0.25 9/163/8 1.77 0.66 0.28 5/81/2 2.02 0.90 0.41 13/16E 5/8 2.05 0.96 0.50 16/15A 3/4 2.11 0.96 0.62 1-1/167/8 2.17 1.02 0.72 1-3/161 2.55 1.23 0.88 1-3/8Millimetres6 41.00 15.30 4.80 148 43.20 16.20 6.40 1510 46.20 17.20 7.90 1812 51.20 22.80 9.50 2214 52.00 24.40 11.10 2415 52.00 24.40 11.90 2416 52.00 24.40 12.70 2418 53.50 24.40 15.10 2720 55.00 26.00 15.90 3022 55.00 26.00 18.30 3025 65.00 31.30 21.80 35Dimensionsforreferenceonly,subjecttochange.12 TWINLOK - Tube Compression Fittings'