COUPLINGS AND CAPS (As per ANSI/ASME B16.11) NOM. PIPE SIZE:- 1 ⁄8 1 ⁄4 3 ⁄8 1 ⁄2 3 ⁄4 1 11 ⁄4 11 ⁄2 2 21 ⁄2 3 4 W (End to End) COUPLING 3000 1.25 1.38 1.50 1.88 2.00 2.38 2.62 3.12 3.38 3.62 4.25 4.75 6000 P (End to End) CAP 3000 0.75 1.00 1.00 1.25 1.44 1.62 1.75 1.75 1.88 2.38 2.56 2.69 6000 1.06 1.06 1.31 1.50 1.69 1.81 1.88 2.00 2.50 2.69 2.94 D (Outside Diameter) 3000 0.62 0.75 0.88 1.12 1.38 1.75 2.25 2.50 3.00 3.62 4.25 5.50 6000 0.88 1.00 1.25 1.50 1.75 2.25 2.50 3.00 3.62 4.25 5.00 6.25 G (Min. End Wall Thickness) 3000 0.19 0.19 0.19 0.25 0.25 0.38 0.38 0.44 0.50 0.62 0.75 0.88 6000 0.25 0.25 0.31 0.31 0.44 0.44 0.50 0.62 0.75 0.88 1.12 B (Minimum Length of Internal Thread) 0.25 0.32 0.36 0.43 0.50 0.58 0.67 0.70 0.75 0.93 1.02 1.09 L2 (Effective Length of External Thread) 0.264 0.402 0.408 0.534 0.546 0.683 0.707 0.724 0.757 1.138 1.20 1.30 4 PAGE 36 7 THREADED FITTINGS, PLUGS & BUSHINGS *All dimensions are in inches PLUGS AND BUSHINGS (As per ANSI/ASME B16.11) NOM. PIPE SIZE:- 1 ⁄8 1 ⁄4 3 ⁄8 1 ⁄2 3 ⁄4 1 11 ⁄4 11 ⁄2 2 21 ⁄2 3 4 A (Length Minimum) 0.38 0.44 0.50 0.56 0.62 0.75 0.81 0.81 0.88 1.06 1.12 1.25 PLUGS (SQUARE HEAD) B (Height of Sq.)(Min) 0.25 0.25 0.31 0.38 0.44 0.50 0.56 0.62 0.69 0.75 0.81 1.00 C (Width Flats)(Min) 0.28 0.38 0.44 0.56 0.62 0.81 0.94 1.12 1.31 1.50 1.69 2.50 PLUGS (ROUND HEAD) E (Nominal Dia of Hand) 0.41 0.53 0.69 0.84 1.06 1.31 1.69 1.91 2.38 2.88 3.50 4.50 D (Length)(Min) 1.38 1.62 1.62 1.75 1.75 2.00 2.00 2.00 2.50 2.75 2.75 3.00 Hex Plugs & Bushings F (Width Flats, not shown) 0.44 0.62 0.69 0.88 1.06 1.38 1.75 2.00 2.50 3.00 3.50 4.60 G (Bushing) 0.12 0.16 0.19 0.22 0.25 0.28 0.31 0.34 0.38 0.41 0.50 H (Plug) 0.25 0.25 0.31 0.31 0.38 0.38 0.56 0.62 0.69 0.75 0.81 1.00 5 Coupling (Fig. 1) Coupling (Fig. 1) Half Coupling (Fig. 2) Cap (Fig. 3) Square Head Plug (Fig. 4) Hex Head Plug (Fig. 4) Round Head Plug (Fig. 6) Hex Head Bushing (Fig. 7) Flush Bushing (Fig. 8) W L2 B D D D W/2 L2 B G B L2 P A B C A H A D E A G A