25 1 1/8 SMC SMC 3/4 19 25 1 oM (E) (E) oM oM L H W Class 2 to 5 Class 1 H Class 6 L JIS 10K flange W Note) Class 4, 5 3 (E) H (T) (oW) oJ (M) N H oM Class 6 1/4 Metric sizes 10 15 20 24 29 39.5 LQ1U11 LQ1U12 LQ1U21�ｭ�ｭ LQ1U22�ｭ�ｭ LQ1U2C�ｭ�ｭ LQ1U31�ｭ�ｭ LQ1U32�ｭ�ｭ LQ1U33�ｭ�ｭ LQ1U41�ｭ�ｭ LQ1U42�ｭ�ｭ LQ1U51�ｭ�ｭ LQ1U52�ｭ�ｭ LQ1U61�ｭ�ｭ LQ1U62�ｭ�ｭ Model Applicable tubing O.D. E . 14 17 21 26 36 H 29 41 54 63 77 102 L 11.5 16.5 23 28 39 49 M 10 14 19 23 32 46 W o4 o3 o6 o4 o3 o10 o8 o6 o12 o10 o19 o12 o25 o19 Metric sizes 28 32 39.5 LQ1F41 LQ1F42 LQ1F51 LQ1F52 LQ1F61 LQ1F62 Model Applicable tubing O.D. E 30 36 36 H 53 58 69 J 60 58 65.2 63.2 81.5 L 21 26 . N 33.1 40 49 M 34 41 51 W 12 14 14 (T) o12 o10 o19 o12 o25 o19 Inch sizes 10 15 20 24 29 39.5 LQ1U1A LQ1U2A�ｭ�ｭ LQ1U2B�ｭ�ｭ LQ1U2C�ｭ�ｭ LQ1U3A�ｭ�ｭ LQ1U3B�ｭ�ｭ LQ1U4A�ｭ�ｭ LQ1U4B�ｭ�ｭ LQ1U5A�ｭ�ｭ LQ1U5B�ｭ�ｭ LQ1U6A�ｭ�ｭ LQ1U6B�ｭ�ｭ Model Applicable tubing O.D. E . 14 17 21 26 36 H 29 41 54 63 77 102 L 11.5 16.5 23 28 39 49 M 10 14 19 23 32 46 W 1/8" 1/4" 3/16" 1/8" 3/8" 1/4" 1/2" 3/8" 3/4" 1/2" 1" 3/4" Union Flange: LQ1F (E) shows the approximate dimension of the inserted tubing from the end of the nut. “W” is width across flats dimension. (E) shows the approximate dimension of the inserted tubing from the end of the nut. (W) is the bore size of the JIS flange required for mounting. This flange is sold separately. When ordering nuts as spare parts, size 4 and 5 are as shown below. LQ1F4�ｭ: LQ-4N�ｭ�ｭ LQ1F5�ｭ: LQ-5N�ｭ�ｭ Inch sizes 28 32 39.5 LQ1F4A LQ1F4B LQ1F5A LQ1F5B LQ1F6A LQ1F6B Model Applicable tubing O.D. E 30 36 36 H 53 58 69 J 60 58 65.2 63.2 81.5 L 21 26 . N 33.1 40 49 M 34 41 51 W 12 14 14 (T) 1/2" 3/8" 3/4" 1/2" 1" 3/4" Dimensions Union: LQ1U Series LQ1 766