工业管道sch壁厚等级对照表.doc

1、工业管道sch壁厚等级对照表C SH5s、10s、40s、80s 用于不锈钢管件。SCH5s、10s、40s、80s applies for stainless steel.公称通径 Nominal Pipe Size 外径 Outside Diameter 公称壁厚 T Norminal Wall Thickness NPS DN D SCH5s SCH10s SCH10 SCH20 SHC30 SCH40s STD SCH40 SCH60 SCH80s _S SCH80 SCH100 SCH120 SCH104 SCH160 _S 1/8 6 10.3 -1.24 -1.73 1.73 1

2、.73 -2.41 2.41 2.41 -1/4 8 13.7 - 1.65 - - - 2.24 2.24 2.24 - 3.02 3.02 3.02 - - - - - 3/8 10 17.1 - 1.65 - - - 2.31 2.31 2.31 - 3.20 3.20 3.20 - - - 1/2 15 21.3 1.65 2.112.77 2.77 2.773.73 3.73 3.734.78 7.47 3/4 20 26.7 1.65 2.11 - - - 2.87 2.87 2.87 - 3.91 3.91 3.91 - - - 5.56 7.82 1 25 33.4 1.65

3、2.77 - - - 3.38 3.38 3.38 - 4.55 4.55 4.55 - - - 6.35 9.0932 42.2 1.65 2.773.56 3.56 3.564.85 4.85 4.856.35 9.70 1 1/440 48.3 1.65 2.773.68 3.68 3.685.08 5.08 5.087.14 10.15 1 1/250 60.3 1.65 2.77 - - - 3.91 3.91 3.91 - 5.54 5.54 5.54 - - - 8.74 11.07 22 1/2 65 73.0 2.11 3.055.16 5.16 5.167.01 7.01

4、7.019.53 14.02 3 80 88.9 2.11 3.05 - - - 5.49 5.49 5.49 - 7.62 7.62 7.62 - - - 11.13 15.24 3 1/2 90 .6 2.11 3.05 - - - 5.74 5.74 5.74 - 8.08 8.08 8.08 - - - - - 4 100 114.3 2.11 3.056.02 6.02 6.028.56 8.56 8.5611.1313.49 17.12 5 125 141.3 2.77 3.40 - - - 6.55 6.55 6.55 - 9.53 9.53 9.53 - 12.70 - 15.

5、88 19.05 6 150 168.3 2.77 3.40 - - - 7.11 7.11 7.11 - 10.97 10.97 10.97 - 14.27 - 18.26 21.95 8 20_219.1 2.77 3.766.35 7.04 8.18 8.18 8.18 10.31 12.70 12.70 12.70 15.09 18.26 20.62 23.01 22.23 10 250 273.1 3.40 4.19 - 6.35 7.80 9.27 9.27 9.27 12.70 12.70 12.70 15.09 18.26 21.44 25.40 28.58 25.40 12

6、300 323.9 3.96 4.57 - 6.35 8.38 9.53 9.53 10.31 14.27 12.70 12.70 17.48 21.44 25.40 28.58 33.32 25.40 14 350 355.6 3.96 4.78 6.35 7.92 9.539.53 11.13 15.0912.70 19.05 23.83 27.79 31.75 35.7116 400 406.4 4.19 4.78 6.35 7.92 9.53 - 9.53 12.70 16.66 - 12.70 21.44 26.19 30.96 36.53 40.49 - 18 450 457.2

7、4.19 4.78 6.35 7.92 11.13 - 9.53 14.27 19.05 - 12.70 23.83 29.36 34.93 39.67 45.24 - 20 500 508 4.78 5.54 6.35 9.53 12.709.53 15.09 20.6212.70 26.19 32.54 38.10 44.45 50.0122 - 559 4.78 5.54 6.35 9.53 12.70 - 9.53 - 22.23 - 12.70 28.58 34.93 41.28 47.63 53.98 - 24 600 6109.53 14.27 - 9.53 17.48 24.6

8、1 - 12.7038.89 46.02 52.37 59.54 -5.54 6.35 6.3530.96266607.92 12.709.5312.7028 700 711 - - 7.92 12.70 15.88 - 9.53 - - - 12.70 - - - - - -30 - 762 6.35 7.92 7.92 12.70 15.88 - 9.53 - - - 12.70 - - - - - - 32 800 8137.92 12.70 15.889.53 17.4812.7034 - 864 - - 7.92 12.70 15.88 - 9.53 17.48 - - 12.70

9、- - - - - - 36 900 914 - - 7.92 12.70 15.88 - 9.53 19.05 - - 12.70 - - - - - - 389659.5312.7040 1000 6 - - - - - - 9.53 - - - 12.70 - - - - - - 42 - 1067 - - - - - - 9.53 - - - 12.70 - - - - - - 44 1100 11189.5312.7046 - 11689.5312.70- - - 48 120_12199.5312.70-JIS B2311 、 B2312 、 B2313 公称通径 Nominal

10、Pipe Size 外径 Outside Diameter 公称壁厚 T Norminal Wall Thickness DN NPS D SGP SCH5s rml SCH30 SCH40s | STD SCH40|SCH60SCH120 SCH140 SCH160 _S15 1/2 21.7 2.8 1.7 2.12.8 2.83.7 3.7 3.74.8 7.5 20 3/4 27.2 2.8 1.7 2.1 - - - 2.9 2.9 SCH80S SCH100 3.9 3.9 3.9 - - - 5.6 7.8 25 1 34.0 3.2 1.7 2.8 - - - 3.4 3.44

11、.5 4.5 4.5 - - - 6.4 9.1 32 1 1/4 42.7 3.5 1.7 2.83.6 3.6 3.64.9 4.96.4 9.7 40 1 1/2 48.6 3.5 1.7 2.8 - - - 3.7 3.7 3.7 - 5.1 5.1 4.9 - - - 7.1 10.2 50 2 60.5 3.8 1.7 2.8 - - - 3.9 3.9 3.9 - 5.5 5.5 5.1 - - - 8.7 11.15.565 2 1/2 76.3 4.2 2.15.2 5.2 5.27.0 7.0 7.09.5 14.0 80 3 89.1 4.2 2.1 3.0 - - -

12、5.5 5.5 5.5 - 7.6 7.6 7.6 - - - 11.1 15.2 90 3 1/2 .6 4.2 2.1 3.0 - - - 5.7 5.7 5.7 - 8.1 8.1 8.1 - - - - -3.0100 4 114.3 4.5 2.1 3.06.0 6.0 6.08.6 8.6 8.611.113.5 17.1 125 5 139.8 4.5 2.8 3.4 - - - 6.6 6.6 6.6 - 9.5 9.5 9.5 - 12.7 - 15.9 19.0 150 6 165.2 5.0 2.8 3.4 - - - 7.1 7.1 7.1 - 11.0 11.0 11

13、.0 - 14.3 - 18.2 21.9 20_8 216.3 5.8 2.8 4.06.4 7.0 8.2 8.2 8.2 10.3 12.7 12.7 12.7 15.1 18.223.0 22.2 250 10 267.4 6.6 3.4 4.0 - 6.4 7.8 9.3 9.3 9.3 12.7 12.7 12.7 15.1 18.3 21.4 20.6 28.6 25.4 300 12 318.5 6.9 4.0 4.5 - 6.4 8.4 9.5 9.5 10.3 14.3 12.7 12.7 17.4 21.4 25.4 25.4 33.3 25.428.6350 14 35

14、5.6 7.9 4.0 4.8 16.4 7.9 9.5 9.5 9.5 11.1 15.112.7 19.0 23.8 27.8 31.8 35.7400 16 406.4 7.9 4.2 4.8 6.4 7.9 9.5 9.5 9.5 12.7 16.7 - 12.7 21.4 26.2 30.9 36.5 40.5 - 450 18 457.2 7.9 4.2 4.8 6.4 7.9 11.1 9.5 9.5 14.3 19.0 - 12.7 23.8 29.4 34.9 39.7 45.2 - 500 20 508.0 7.9 4.8 5.5 6.4 9.5 12.7 9.5 9.5

15、15.1 20.612.7 26.2 32.5 38.1 44.4 50.0550 22 558.8 - 4.8 5.5 6.4 9.5 12.7 9.5 9.5 - 22.2 - 12.7 28.6 34.9 41.3 47.6 54.0 - 600 24 609.6 - 5.5 6.4 6.4 9.5 14.3 9.5 9.5 17.5 24.6 - 12.7 31.0 38.9 46.0 52.4 59.5 - 650 26 660.47.9 12.79.512.7700 28 711.2 - - - 7.9 12.7 15.9 - 9.5 - - - 12.7 - - - - - -

16、750 30 762.0 - 6.4 7.9 7.9 12.7 15.9 9.5 9.5 - - - 12.7 - - - - - - 800812.87.9 12.7 15.99.5 17.512.7850 32 863.6 - - - 7.9 12.7 15.9 - 9.5 17.5 - - 12.7 -900 34 914.4 - - - 7.9 12.7 15.9 - 9.5 19.0 - - 12.7 -36承插焊管件一Socket Welding Fittings GB/T 14383 、 SH 3410 、 HG/T 21634 、 ASME B16.11 、 JIS B2316

17、 公称通径 Nominal Pipe Size 承插孔深度 Depth of Socket 壁厚 Wall Thickness 中心至承插孔底 Center to Bottom of Socket A C min 90 。弯头、三通、四通 90 ° Elbow Tee 、 Cross 45 弯头 45 ° Elbow NPS DN J min SCH80 3000 SCH160 6000 _S 9000 SCH80 3000 SCH160 6000 _S 9000 SCH80 SCH160 3000 6000 _S 90001/86 1/4 10 3.2 3.5 - 11

18、11 - 8 8 - 8 3/8 10 3.3 4.0 - 11 14 - 8 8 - 1010 4.0 4.4 - 14 16 - 8 11 - 15 1/2 10 4.5 6.0 9.5 16 19 II11 13 16 20 3/4 13 5.0 7.0 10.0 19 22 28 13 14 19 25 1 13 5.6 8.0 11.5 22 2732 14 18 21 32 1 1/4 13 6.3 8.0 12.0 27 32 35 18 21 22 40 1 1/2 13 6.4 9.0 13.0 32 38 38 21 25 25 50 2 16 7.0 11.0 14.0

19、38 41 54 25 29 28 65 2 1/2 16 8.9 12.541 5729 3280 3 16 10.0 13.8 - 57 64 - 32 35 - 100 4 19 10.0 - - 67 - - 41 - - 本表列岀的为承插焊管件各一样局部尺寸，不同标准规定的接收尺寸及承插孔径 di 、流通孔径 d2 尺寸见承插焊管件的接收外径、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 与同径管件一样。The above list shows sizes of the same parts of SW fit

20、tings.The sizes of different codes pipes,socket diameter di and bore diameter d2 refer tothe 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,

21、size of center to thebottom of socket A issame to the straight fittings,MM活接头 毎 纹 活 接 头 SOdcBt Son Union承插焊和螺纹活接头 Unions of Socket-Welding &Threaded HG/T 21634 、 MSS SP-83 公称通径 Nominal Pipe Size 外径 End DIA 壁厚 Wall Thickness 螺母厚 度 Nut 螺帽每英寸 的螺纹扣数 Threads Per inch 球面凸缘 厚度 Male Flange 定位口高 度 Bearin

22、 公称装配长度 Length Assem Nominat 构造尺寸 Laying Length 流通孔径 Bore D min C min G min H F min h min L E d2DN NPS 承插焊 Socket 螺纹 Thread 承插 焊 Socket 螺纹 Thread承插焊 Socket 螺纹 Thread 6 1/8 21.8 14.7 3.2 2.5 3.2 16 3.2 1.5 41 21 7.4 8 1/4 21.8 19.1 3.3 3.1 3.2 16 3.2 1.5 41 21 10.9 10 3/8 25.9 22.9 3.5 3.2 3.5 14 3.5

23、 1.5 46 24 13.9 15 1/2 31.2 27.7 4.1 3.8 3.7 14 3.7 1.5 49 24 17.5 20 3/4 37.1 33.5 4.3 4.0 4.1 11 4.1 1.8 57 29 22.2 25 1 45.5 41.4 5.0 4.6 4.5 11 4.6 1.9 62 30 28.4 32 1 1/4 54.9 50.6 5.3 4.9 5.2 10 5.4 2.2 71 37 36.5 40 1 1/2 61.5 57.2 5.6 5.1 5.6 10 5.9 2.3 77 38 42.4 50 2 75.2 70.1 6.1 5.6 6.4

24、10 6.6 2.7 86 39 53.9 65 2 1/2 9 7 85.3 7.7 7.1 7.1 8 7$ 3.1 102 56 65.3 80 3 109.2 102.4 8.3 7.7 8.0 8 8.3 3.6 109 59 79.9 活接头适用于 3000 及 3000 以下级别；管件级别代号与管子壁厚等级的关系见后。接收尺寸承插孔径 di 、流通孔径 di 、流通孔径 d2 和承插孔深度 J 与 ASME B16.11 规定一样。Unions only applie to the class 3000 and below it; the relations of pressur

25、e grade and schedule refer to hereafter.Dimensions of pipe,socket diameter d1,bore diameter d2 and the length ofthe depth of socket J are same to requirements of ASME B16.11.承插焊管件的接收外径、承插孔径及流通孔径尺寸表 List of The Pipe Outside Diameter,Socket Diameter and Bore Diameter fo SW Fittings 公称通径 Nominal Pipe S

26、ize GB/T 14383(A) SH 3410 GB/T 14383 (B) 、 HG/T 21634(metric) JIS B2316 HG/T 21634(NPS) 、 ASME B16.11 接收 外径 Pinpe DIA 承插 孔径 Socket DIA 流通孔径 Bore DIA 接收 外径 Pinpe DIA 承插 孔径 Socket DIA 流通孔径 Bore DIA 接收外径 Pinpe DIA 承插孔 径 Socket DIA 流通孔径 Bore DIA 接收 外径 Pinpe DIA 承插 孔径 Socket DIA 流通孔径 Bore DIA 接收外 径 Pinpe

27、 DIA 承插孔径 Socket DIA 流通孔径 Bore DIAd2d2d2d2d2 DN NPS D d1 SCH80 SCH160 D d1 SCH80 SCH160 _S D D1 SCH80 3000 SCH160 6000 D d1 SCH80 SCH160 D d1 3000 6000 9000 6 1/810.5 11.0 7.110.9 6.8 4.08 1/4 - - - - - - - - - - - - - 13.8 14.3 9.4 - 10.3 14.3 9.2 6.4- 10 3/8 - - - - 17 17.5 10 - - - - - - 17.3 17.

28、8 12.7 - 13.7 17.7 12.5 9.1-17.115 1/2 21.3 21.8 14.1 12.3 22 22.512 7 1810.8 9.01 21.7 22.2 16.1 12.3 21.3 21.9 15.8 11.86.4 20 3/4 26.9 27.4 18.9 15.7 27 27.516 11 2517.0 3.81 27.2 27.7 21.4 16.2 26.7 27.3 20.9 15.511.325 1 33.7 34.2 24.7 21.1 34 34.5 15 19 25 21 16 32 18.5 25.5 32.5 23.0 9.4 34.0

29、 34.5 27.2 21.2 33.4 34.0 26.6 20.7 15.2 32 1 1/4 42.4 42.9 32.442 42.7 32 29 22 38 38.5 28.0 25.4 42.7 43.2 35.5 29.9 42.2 42.8 35.1 29.5 22.8 40 1 1/2 48.3 48.8 38.3 29.8 48 48.8 38 34 28 45 45.5 35.0 30.9 48.6 49.1 41.2 34.4 48.3 48.9 40.9 34.0 28.0 50 2 60.3 61.1 49.1 34.1 60 60.8 49 43 38 57 57

30、.8 45.8 39.4 60.5 61.1 52.7 43.1 60.3 61.4 52.5 42.9 38.242.765 2 1/2 76.180 3 88.9100 4 -承插焊管件尺寸的极限偏向 Tolerances for Socket-Welding Fittngs 公称通径 Nominal Pipe Size 所有管件 All Fittings 所有管件 All Fittings 45 ° 90 。弯头、三通、 四通、 45° 斜三通 45 ° 90 ° Elbows Tees 、 Crosses 、 Laterals 双承口管箍 Cou

31、plings 单承口箍、半 管接头、异径 插入件 Half-Couplings Boss Reducer Inserts 异径插入 件 Reducer Inserts 异径插入 件 Reducer Inserts 活接头(含螺纹) Unions(priise threaded unions)承插孔径 Socket DIA 流通孔径 Bore DIA 中心至承插孔底 Center to Bottom of Socket 构造长度 Laying Length 构造长度 Laying Length 主体外径 Shank DIA 插入端长 度 Shank Length 公称装配长度 Length As

32、sem Nominal DN NPS d1 d2 A 、 H E F SD SL L 6-8 1/8-1/4 +0.3 0 ± 0.4 +0.8 ± 1.5 ± 0.8± 1.5 10-20 3/8-3/4 ± 1.5 ± 3.0 ± 1.5 ±0.25 0 -1.5 ± 1.525-50 1-2 ± 2.0 ± 4.0 ± 2.0

33、±0.25 0 -2.0 ± 1.5 65-100 21/2-4 +0.4 0 ± 0.8 ± 2.5 ± 5.0 ± 2.5 ± 0.5 0 -2.5 ± 1.5 不同标准规定的极限偏向可能会略有差异，使用时请查阅原标准。There may be differences between the tolerances of the different codes,and when using please refer t

34、o the original codes.SCH160 和双加厚管的公称壁厚 ASME B16.11 Nominal Waill Thckness of Schedule 160 and Double E_tra Strong Pipe In ASME B16.11公称通径 Nominal Pipe Size 公称壁厚 Norminal Wall Thickness DN NPS SCH160 _S 6 1/8 3.15 4.83 8 1/4 3.68 6.05 10 3/8 4.01 6.40 由于 ASME B36.10M 未包括 DN6 、 8 和 10 的 SCH160 和 _S 的壁

35、厚，表列数值可作为确定额定值时管子的公称壁厚。Since ASME B36.10M does not include Schedule 160 nor include double E_tra Strong thickness for DN6,8,and 10,the values in table may beused as the nominal wall thincknesses of the pipe for rating purposes. 管件级代号与管子壁厚代号的关系 Relevance of Fittings Class with Schedule Nunber or Wall

36、 Designation of pipe for Calculation of Ratings 管件级别代号 管件连消费建立形式 用作额定计算根据的管子 Pipe Used for Ratin Basisclass designation fo Fitting Type of Fitting 管子表号 管壁代号Schedule NO.Wall Designation 20_0 螺纹 Threaded 80 _S 3000 螺纹 Threaded 1606000 螺纹 Threaded_S 3000 承插焊 Socket-Welding 80 _S 6000 承插焊 Socket-Welding

37、 1609000 承插焊 Socket-Welding_S 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 wall.Pipe actually used may be thinner or thicker in nominal wall than that show

38、n in Table.When thinner pipe is used,its strength may govern the rating.When thincker pipe is used(e.g,formechanicalstrength),the strength of the fitting governs the rating. 螺纹管件 Threaded Fittings GB/T 1426 、 ASME B16.11 公称通径 Nominal Pipe Size 90 。弯头、三通、四通 90 ° Elbows Tees 、 Crosses 45 弯头 45 &#

39、176; Elbows 所有管件 All Fittings 中心至端面 Center to End 中心至端面 Center to End 端部外径 Outside Diameter of Band 最小壁厚 Minimum Wall Thickness 螺纹长度 Length of Thread Min A G D C DN NPS SCH80 20_0 SCH160 3000 _S 6000 SCH80 20_0 SCH160 3000 _S 6000 SCH80 20_0 SCH160 3000 _S 6000 SCH80 20_0 SCH160 3000 _S 6000 B L290

40、J 陲头8Q" Eltn-ft 6 1/8 21 21 2517 19 22 22 25 3.18 3.18 6.35 6.4 6.7 8 1/4 21 25 2819 22 22 25 33 3.18 3.30 6.60 8.1 10.2 10 3/8 25 28 33 17 22 25 25 33 38 3.18 3.51 6.98 9.1 10.4171915 1/2 28 33 38 22 25 28 33 38 46 3.18 4.09 8.15 10.9 13.6 20 3/4 33 38 44 25 28 33 38 46 56 3.18 4.32 8.53 12.7

41、13.9 25 1 38 44 51 28 33 35 46 56 62 3.68 4.98 9.93 14.7 17.3 32 11/4 44 5133 35 43 56 62 75 3.89 5.28 10.59 17.0 18.0 40 11/2 51 60 60 35 43 44 62 75 84 4.01 5.56 11.07 17.8 18.4 50 2 60 64 64 43 44 52 75 84 102 4.27 7.14 12.09 19.0 19.28365 21/2 76 83 95 52 52 64 92 102 121 5.61 7.65 15.29 23.6 28

42、.9 80 3 86 95 106 64 64 79 109 121 146 5.99 8.84 16.64 25.9 30.5 100 4 106 114 114 79 79 79 146 152 152 6.55 11.18 18.67 27.7 33.0螺纹管件 Threaded Fittings GB/T 1426 、 ASME B16.11 公称通径 Nominal Pipe Size 管箍、半管接头 Couplings 、 Boss 管帽 Caps 所有管件 All Fittings 端面至端面 End to End 端面至端面 End to End 底部壁厚 End Wall T

43、hickness 外径 Outside Diameter 螺纹长度 Length of Thread Min E F C min D DN NPS SCH160 、 _S 3000 、 6000 SCH160 3000 _S SCH160 3000 _S 6000 SCH160 3000 _S 6000 B L2I_- E/2 & F | M 口醫 卜炖卍 3uplin& 60006 1/8 32 194.816 22 6.4 6.7 8 1/4 35 25 27 4.8 6.4 19 25 8.1 10.2 10 3/8 38 25 27 4.8 6.4 22 32 9.1

44、10.4 15 1/2 48 32 33 6.4 7.9 28 38 10.9 13.6 20 3/4 51 37 38 6.4 7.9 35 44 12.7 13.9 25 1 60 41 43 9.7 11.2 44 57 14.7 17.3 32 1 1/4 67 44 46 9.7 11.2 57 64 17.0 18.0 40 1 1/2 79 44 48 11.2 12.7 64 76 17.8 18.4 50 2 86 48 51 12.7 15.7 76 92 19.0 19.2 65 2 1/2 92 60 64 15.7 19.0 92 108 23.6 28.9 80 3

45、 108 65 68 19.0 22.4 108 127 25.9 30.5 100 4 121 68 75 22.4 28.4 140 159 27.7 33.0螺纹管件 Threaded Fittings GB/T 1426 、 ASME B16.11 公称通径 Nominal Pipe Size 长度 Length 方头管塞 Square Head Plugs 圆头管塞 Round Head Plugs 六角头管塞和内外螺纹接头 He_ Plugs and Bushings 方头高度 Height of Square 对边宽度 Width Flats 头部直径 Nominal Diame

46、ter of Head 长度 Length 对边宽度 Width Flats (Nominal) 六角头高度 He_ Heigh DN NPS L2 min B min C min D L min S K min H min六常头冉井炸纹損头无头肉外螞蚊權头 Has Hzd Bush 诙 Flush Sudhii 却 I 六角头新易 阚头訂靈 討” Hwd F_M Rwml Hwti Swmg 61/8 10 6 7 10 35 116 8 1/4 11 6 10 14 41 16 3 6 10 3/8 13 8 11 18 41 18 4 8 15 1/2 14 10 14 21 44 22

47、 5 8 20 3/4 16 11 16 27 44 27 6 10 25 1 19 13 21 33 51 36 6 10 32 1 1/4 21 14 24 437 14 40 1 1/2 21 1628 48 51 46 8 16 50 2 22 18 32 60 51 50 9 1864 6565 2 1/2 27 1973 70 75 10 19 80 3 28 21 36 89 70 90 10 21 100 4 32 2541 144 76 115 13 2565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

48、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向 Tolerances for Threaded Fittings 公称通径 Nominal Pipe Size

49、90 °、 45 。弯头、三通、四通 90 、 &45 ° Elbows & Tees & Crosses 双接口管箍、管帽 Couplings 、 Caps 单接口管箍、半管接头 Half- Couplings 、 Boss 中心至端面 Center to End 端面至端面 End to End 端面至端面 End to End DN NPS A E 、 F E/2 6-8 1/8-1/4 ± 0.7 ± 0.7 ± 0.4 10-20 3/8-3/4 ± 1

50、.5 ± 1.5 ± 0.825-50 1-2 ± 2.0 ± 2.0 ± 1.0 65-100 2 1/2 -4 ± 2.5r d- RodMOng HBKgenaJ Nippl-e六角头双丝头 He_agonal Nipples畀丝头 公称通径 Nominal Pipe Size 尺寸 Size DN NPS C E1 E2 W D sch80 sch160 6 1/8 6 1026 5 4 8 1/4 6 1536 7 6 8 _6 1/4 _ /8 6 1

51、5 10 31 5 4 10 8 1610 8 10 _8 3/8 _ /4 8 16 15 40 39 7 6 15 1/2 8 2048 13 10 15 _10 1/2 _ 3/8 8 20 16 44 10 8 15 _8 1/2 _ /4 8 20 15 43 7 6 20 3-4 10 2152 18 14 20 _ 5 3/4 _ /2 10 21 20 51 13 10 20 _ O 3/4 _ 3/8 10 21 16 47 10 8 25 1 10 2560 23 19 25 _20 1 _ 3/4 10 25 21 56 18 14 25 _15 1 _ 1/2 10 2

52、5 20 55 13 10 32 1 1/4 1262 31 28 32 _25 1 1/4 _ 1 12 25 25 62 23 19 32 _20 1 1/4 _ 3/4 12 25 21 58 18 14 32 _15 1 1/4 _ 1/2 12 25 20" 57 13 102540 11/22636 32 40 _ 32 1 1/2 _ 11/4 16 26 25 68 31 28 40 _25 1 1/2 _ 1 16 26 25 67 23 19 40 _20 1 1/2 _ 3/4 16 26 21 67 18 14 40 _15 1 1/2 _ 1/2 16 26

53、 20 63 13 10166250 2 18 2772 47 40 50 >40 2 _ 1 1/2 18 27 26 71 36 32 50 _ 32 2 _ 1 1/4 18 27 25 70 31 28 50 _25 2 _ 1 18 27 25 70 23 19 50 _20 2 _ 3/4 18 27 21 66 18 14 50 _15 2 _ 1/2 18 27 20 65 13 10 653857 51 65 _50 2 1/2 20 38 27 96 47 40 65 >40 2 1/2 _ 2 20 38 26 85 36 32 65 _ 32

54、 2 1/2 _ 11/2 20 38 25 84 31 28 65 _25 2 1/2 _ 11/4 20 38 25 83 23 19 65 _20 2 1/2 _ 1 2 1/2 _ 3/4 20 20 38 21 83 79 18 14 8020 40100 70 63 80 >65 3 20 40 38 98 57 51 80 _50 3 _ 2 1/2 20 40 27 87 47 40 80 > 40 3 _ 2 20 40 26 86 36 32 80 _ 32 3 _ 1 1/2 20 40 25 85 31 28 80 _25 3 _ 1 1/4

55、 3 _ 1 20 40 25 85 23 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 ° thread,please indicate them in the purchased order.of GB/T 12716(ANSI/ASME B1.20.1),and if req uiring other types of 六角头双丝头 He_agonal Nipples公称通径尺寸Nominal Pipe SizeSizeDN NPS C E1 E2 W D同径六轴吳取蝕头 _W-_- E ”- _C _ L - 1 -_ _-Ifll h异艮丸希头双丝头 只 gug HesqpganaJ N