管道壁厚等级对照表

承插焊管件（一）Socket Welding Fittings G B/T 14383、SH 3410、HG/T 21634、ASME 、JIS B2316公称通径N ominal Pipe Size 承插孔深度D epth ofSocket壁厚W all Thickness中心至承插孔底C enter to Bottom of SocketAC min90°弯头、三通、四通90°Elbow、Tee、Cross45°弯头45°ElbowDNNPS J min SCH80 3000 SCH160 6000 XXS 9000 SCH80 3000 SCH160 6000 XXS 9000 SCH80 3000SCH160 6000 XXS 90006 810 1/8 1/4 3/810 10 10--- --- --- 11 11 14 11 14 16 --- --- --- 8 888 811 --- --- ---15 20 25 1/2 3/4 110 13 13 16 19 22 19 22 27 25 28 32 11 13 14 13 14 1816 19 2132 40 50 11/411/2213 13 16 27 32 38 32 38 41 35 38 54 18 21 25 21 25 2922 25 2865 80 100 21/23416 16 19--- --- --- --- 41 57 67 57 64 --- --- --- --- 29 32 41 32 35 --- --- --- --- ·本表列出的为承插焊管件各相同部分尺寸，不同标准规定的接管尺寸及承插孔径d1、流通孔径d2尺寸见承插焊管件的接管外径、承插孔径及流通孔尺寸表。

·当产品为异径时，流通孔d2的尺寸用异径公称通径相对的d2尺寸、中心至承插孔底的尺寸A与同径管件相同。

·The above list shows sizes of the same parts of SW sizes of different codes pipes,socket diameter d1 and bore diameter d2 refer to the list of the pipe outside diameter,socket diameter and bore diameter of SW fittings. ·As to the reducing fittings,size of the bore diameter d2 applies to the relevant size d2 of the reducing norminal pipe size,size of center to the bottom of socket A issame to the straight fittings,承插焊和螺纹活接头Unions of Socket-Welding&Threaded H G/T 21634、MSS SP-83承插焊管件的接管外径、承插孔径及流通孔径尺寸表L ist of The Pipe Outside Diameter,Socket Diameter and Bore Diameter fo SW Fittings2000螺纹Threaded80XS3000螺纹Threaded160---6000螺纹Threaded---XXS3000承插焊Socket-Welding80XS6000承插焊Socket-Welding160---9000承插焊Socket-Welding---XXS·本表并未限制使用较薄或较厚壁厚的管子和管件。

实际采用的管子公称壁厚可小于或大于本表所示的管子公称壁厚。

采用较薄管子时。

其强度可支配额定值；采用较厚管子时（例如对机械强度而言），管件的强度支配额定值。

·This table is nkt intended to restrict the use of pipes and fittings of thinner or thicker actually used may be thinner or thicker in nominal wall than that shown in Table. When thinner pipe is used,its strength may govern the thincker pipe is used,formechanical strength),the strength of the fitting governs the rating.螺纹管件Threaded Fittings G B/T 1426、ASME公称通径N ominal Pipe Size 管箍、半管接头C ouplings、Boss管帽C aps所有管件A ll Fittings端面至端面E nd to End端面至端面E nd toEnd底部壁厚E nd WallThickness外径O utside Diameter螺纹长度L ength ofThread MinE F C min DDN NPS SCH160、XXS 3000、6000SCH160 3000 XXS6000 SCH160 3000XXS 6000 SCH160 3000 XXS 6000 B L26 810 1/8 1/4 3/8 32 35 38 19 25 25 --- 27 27 --- 16 19 22 22 25 3215 20 25 1/2 3/4 148 51 60 32 37 41 33 38 43 28 35 44 38 44 5732 40 50 11/411/2267 79 86 44 44 48 46 48 51 57 64 76 64 76 9265 80 100 21/23492 108 121 60 65 68 64 68 75 92 108 140 108 127 159 螺纹管件Threaded Fittings G B/T 1426、ASME公称通径N ominal Pipe Size 长度L ength方头管塞S quare Head Plugs圆头管塞R ound HeadPlugs六角头管塞和内外螺纹接头H ex Plugs andBushings六角头双丝头Hexagonal Nipples公称通径N ominal Pipe Size尺寸S izeDDN NPS C E1E2Wsch80sch16080 80×65 80×50 80×40 80×32 80×2520 20 20 20 20 20 40 40 40 40 40 40 --- 38 27 26 25 25 100 98 87 86 85 85 70 57 47 36 31 23 63 51 40 32 28 193 3×21/23×2 3×11/23×11/43×1·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 if requiring other types of thread,please indicate them in the purchased order.六角头双丝头Hexagonal Nipples16 16 16 16 1668 67 67 63 6250 50×40 50×32 50×25 50×20 50×15 2 2×11/22×11/42×1 2×3/4 2×1/2 18 18 18 18 18 18 27 27 27 27 27 27 --- 26 25 25 21 20 72 71 70 70 66 65 47 36 31 23 18 13 40 32 28 19 14 1065 65×50 65×40 65×32 65×25 65×2021/221/2×2 21/2×11/2 21/2×11/4 21/2×1 21/2×3/4 20 20 20 20 20 2038 38 38 38 38 38 --- 27 26 25 25 2196 85 84 83 83 7957 47 36 31 23 18 51 40 32 28 19 1480 80×65 80×50 80×40 80×32 80×253 3×21/23×2 3×11/23×11/43×120 20 20 20 20 20 40 40 40 40 40 40 --- 38 27 26 25 25 100 98 87 86 85 85 70 57 47 36 31 23 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 if requiring other types of thread,please indicate them in the purchased order.螺纹短节Nipples材料的化学成分和力学性是指标会因为某项条件的规定而有所改变，使用时请查阅原标准。

·The index of material chemical composition and mechanical properties shall change as to some defined condition,and please refer to the priginal管件形位公差mm项目公称直径mm15～100125～200250～300350～400450～600650～750800～10501100～1200in1/2～45～810～1214～1618～2426～3032～4244～48倾斜度偏差角度偏移Q12334555平面偏移P245710101320管件坡口形式压力等级表(HG ～16-58,HGJ 514-87,SY 7510-87)mm公称直径D gHG HGJ SY HG HGJ SY HG HGJ SY HG HGJ SY HG HGJ SY25 32 40 3 3 3 3 3 3 3 3 3 4 4 750 65 80 444444444444555 5 66 5 67 5 677 89 100 125 150 4 4 4 4 4 4 4 4 4 4 4 5 6 66 6 67 6 788 910 8 910 8 10 12 10 12 14 175 200 225 6 6766 6 67677 9991012121418注：表中HG为HG5010-87标准，HGJ为HGJ514-87,SY为SY7510-87标准。