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螺纹管件 Threaded Fittings GB/T 1426、ASME B16.11 管箍、半管接头 Couplings、Boss 公称通径 Nominal Pipe Size 端面至端面 End to End E SCH160、XXS 3000、6000 32 35 38 48 51 60 67 79 86 92 108 121 端面至端面 End to End F SCH160 3000 19 25 25 32 37 41 44 44 48 60 65 68 XXS 6000 --- 27 27 33 38 43 46 48 51 64 68 75 管帽 Caps 底部壁厚 End Wall Thickness C min SCH160 3000 4.8 4.8 4.8 6.4 6.4 9.7 9.7 11.2 12.7 15.7 19.0 22.4 XXS 6000 --- 6.4 6.4 7.9 7.9 11.2 11.2 12.7 15.7 19.0 22.4 28.4 外径 Outside Diameter D SCH160 3000 16 19 22 28 35 44 57 64 76 92 108 140 XXS 6000 22 25 32 38 44 57 64 76 92 108 127 159 螺纹长度 Length of Thread Min 所有管件 All Fittings DN 6 8 10 15 20 25 32 40 50 65 80 100 NPS 1/8 1/4 3/8 1/2 3/4 1 11/4 11/2 2 21/2 3 4 B 6.4 8.1 9.1 10.9 12.7 14.7 17.0 17.8 19.0 23.6 25.9 27.7 L2 6.7 10.2 10.4 13.6 13.9 17.3 18.0 18.4 19.2 28.9 30.5 33.0

螺纹管件 Threaded Fittings GB/T 1426、ASME B16.11 方头管塞 Square Head Plugs 公称通径 Nominal Pipe Size 长度 Length 方头高度 Height of Square 对边宽度 圆头管塞 Round Head Plugs 头部直径 Nominal Head DN 6 8 10 15 20 25 32 40 50 65 80 100 NPS 1/8 1/4 3/8 1/2 3/4 1 11/4 11/2 2 21/2 3 4 L2 min 10 11 13 14 16 19 21 21 22 27 28 32 B min 6 6 8 10 11 13 14 16 18 19 21 25 C min 7 10 11 14 16 21 24 28 32 36 41 65 D 10 14 18 21 27 33 43 48 60 73 89 144 L min 35 41 41 44 44 51 51 51 64 70 70 76 长度 Length Width Flats Diameter of 六角头管塞和内外螺纹接头 Hex Plugs and Bushings 对边宽度 Width Flats (Nominal) S 11 16 18 22 27 36 46 50 65 75 90 115 六角头高度 Hex Heigh K min --- 3 4 5 6 6 7 8 9 10 10 13 H min 6 6 8 8 10 10 14 16 18 19 21 25 螺比试管件中的螺纹型式为GB/T 12716(ANSI/ASME B1.20.1)中的60°圆锥管螺纹NPT；如采用其它型式的螺纹请在订货时注明。 The standards and codes of the threaded fittings is conical threaded NPT angle 60°of GB/T 12716(ANSI/ASME B1.20.1),and if requiring other types of thread,please indicate them in the purchased order. 螺比试管件的尺寸极限偏差 Tolerances for Threaded Fittings 90°、45°弯头、三通、四通 公称通径 Nominal Pipe Size 90°&45°Elbows & Tees & Crosses 中心至端面 Center to End DN 6-8 10-20 25-50 65-100 NPS 1/8-1/4 3/8-3/4 1-2 21/2-4 A ±0.7 ±1.5 ±2.0 ±2.5 双接口管箍、管帽 Couplings、Caps 端面至端面 End to End E、F ±0.7 ±1.5 ±2.0 单接口管箍、半管接头 Half- Couplings、Boss 端面至端面 End to End E/2 ±0.4 ±0.8 ±1.0

六角头双丝头 Hexagonal Nipples 公称通径 Nominal Pipe Size DN 6 8 8×6 10 10×8 15 15×10 15×8 20 20×15 20×10 25 25×20 25×15 32 32×25 32×20 32×15 40 40×32 40×25 40×20 40×15 50 NPS 1/8 1/4 1/4×1/8 3/8 3/8×1/4 1/2 1/2×3/8 1/2×1/4 3-4 3/4×1/2 3/4×3/8 1 1×3/4 1×1/2 11/4 11/4×1 11/4×3/4 11/4×1/2 11/2 11/2×11/4 11/2×1 11/2×3/4 11/2×1/2 2 C 6 6 6 8 8 8 8 8 10 10 10 10 10 10 12 12 12 12 16 16 16 16 16 18 E1 10 15 15 16 16 20 20 20 21 21 21 25 25 25 25 25 25 25 26 26 26 26 26 27 E2 --- --- 10 --- 15 --- 16 15 --- 20 16 --- 21 20 --- 25 21 20` --- 25 25 21 20 --- W 26 36 31 40 39 48 44 43 52 51 47 60 56 55 62 62 58 57 68 67 67 63 62 72 尺寸 Size D sch80 5 7 5 10 7 13 10 7 18 13 10 23 18 13 31 23 18 13 36 31 23 18 13 47 sch160 4 6 4 8 6 10 8 6 14 10 8 19 14 10 28 19 14 10 32 28 19 14 10 40 50×40 50×32 50×25 50×20 50×15 65 65×50 65×40 65×32 65×25 65×20 80 80×65 80×50 80×40 80×32 80×25 2×11/2 2×11/4 2×1 2×3/4 2×1/2 21/2 21/2×2 21/2×11/2 21/2×11/4 21/2×1 21/2×3/4 3 3×21/2 3×2 3×11/2 3×11/4 3×1 18 18 18 18 18 20 20 20 20 20 20 20 20 20 20 20 20 27 27 27 27 27 38 38 38 38 38 38 40 40 40 40 40 40 26 25 25 21 20 --- 27 26 25 25 21 --- 38 27 26 25 25 71 70 70 66 65 96 85 84 83 83 79 100 98 87 86 85 85 36 31 23 18 13 57 47 36 31 23 18 70 57 47 36 31 23 32 28 19 14 10 51 40 32 28 19 14 63 51 40 32 28 19 ·螺纹型式为GB/T 12716(ANSI/ASME B1.20.1)中的60°圆锥管螺纹NPT;如采用其它型式的螺纹请在订货时注明. ·The standards and codes of the fittings is conical threaded NPT angle 60°of GB/T 12716(ANSI/ASME B1.20.1),and if requiring other types of thread,please indicate them in the purchased order.