THREADED ELBOWS, TEES & CROSSES (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 (Centre to End) (Elbows, Tees & Crosses) 2000 0.81 0.81 0.97 1.12 1.31 1.50 1.75 2 2.38 3.00 3.38 4.19 3000 0.81 0.97 1.12 1.31 1.50 1.75 2.00 2.38 2.50 3.25 3.75 4.50 6000 0.97 1.12 1.31 1.50 1.75 2.00 2.38 2.50 3.25 3.75 4.19 4.50 C (Centre to End) (45° Elbow) 2000 0.69 0.69 0.75 0.88 1.00 1.12 1.31 1.38 1.69 2.06 2.50 3.12 3000 0.69 0.75 0.88 1.00 1.12 1.31 1.38 1.69 1.72 2.06 2.50 3.12 6000 0.75 0.88 1.00 1.12 1.31 1.38 1.69 1.72 2.06 2.50 3.12 3.12 H (O.D.) 2000 0.88 0.88 1.00 1.31 1.50 1.81 2.19 2.44 2.97 3.62 4.31 5.75 3000 0.88 1.00 1.31 1.50 1.81 2.19 2.44 2.97 3.31 4.00 4.75 6.00 6000 1.00 1.31 1.50 1.81 2.19 2.44 2.97 3.31 4.00 4.75 5.75 6.00 G (Min. Wall Thickness) 2000 0.125 0.125 0.125 0.125 0.125 0.145 0.153 0.158 0.168 0.221 0.236 0.258 3000 0.125 0.130 0.138 0.161 0.170 0.196 0.208 0.219 0.281 0.301 0.348 0.440 6000 0.250 0.260 0.275 0.321 0.336 0.391 0.417 0.436 0.476 0.602 0.655 0.735 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 3 PAGE 35 7 THREADED FITTINGS, ELBOWS, TEES & CROSSES *All dimensions are in inches A A H H H A A H A A H H B G L2 H C C Cross (Fig. 2) Tee (Fig. 3) 90° Elbow (Fig. 1) 45° Elbow (Fig. 4)