英制螺紋規(guī)格表

1、55。圓錐管螺紋型式和尺寸螺紋代號(hào)根本尺寸大徑螺距每英寸牙數(shù)中徑小徑牙型髙鬪弧尺寸底孔尺寸英寸:mmmmtpimm外螺紋H1rmmd=DPd2=D2d3R1/161/16 w7.720.907287.1426.5610.5810.1256.4R1/81/8 H9.730.907289.1478.5660.5810.1258.4R1/41/4 H13.21.3371912.30111.450.8560.18411.2R3/83/8 H16.71.3371915.80614.950.8560.18414.75R1/21/2 w211.8141419.79318.631.1620.24918.25R

2、3/43/4 w26.41.8141425.27924.121.1620.24923.75R11 -33.22.3091131.7730.291.4790.31730R 1 1/41 1/4 M41.92.3091140.43138.951.4790.31738.5R 1 1/21 1/2 M47.82.3091146.32444.851.4790.31744.5R22W59.62.3091158.13556.661.4790.31756R21/22 1/2 M75.22.3091173.70572.231.4790.31771R33 -87.92.3091186.40584.931.4790

3、.31785.5R44 -1132.30911111.55110.11.4790.317110.5R55 -1382.30911136.95135.51.4790.317136R66W1642.30911162.35160.91.4790.317161.5RC2英寸錐管螺紋.每英寸11牙,螺距=25.4/11即2.309?牙高深即1.479,錐度是固定的 即1 :16- R等F1/32乘以長度.1/32M足.錐輝紋的錐度足仁16.單邊就足1 : 32, K度意思足：定 位點(diǎn)加有效長度， 比方我定位30有效長度是12.0, RM/32X 3+12=0.46875英制普通螺紋惠氏螺紋-小螺紋系列B

4、A名義尺寸牙型代號(hào)大徑螺距每英寸牙數(shù)中徑小徑才型高底孔直徑No. 14BA10.23110.40.860.720.140.75No. 13BA1.20.25101.61.050.90.150.95No. 12BA1.302890711.130960 171No. 11BA1.50.3181.931.3151.130.1851.2No. 10BA1.70.3572.571.491.280.211.35No. 9BA1.90.3965.121.6651.430.2351.5No. 8BA2.20.4359.071.941 £80.261.8No. 7BA2.50.4852.922.211

5、.920.292No. 6BA2.80.5347.922.482.160.322.3No. 5BA3.20.5943.052.8452.490.3552.6No. 4BA3.60.6638.483.2052.810.3952.95No. 3BA4.10.7334.793.663.220.443.4No. 2BA4.70.8131.354.2153.730.4853.9No. 1BA5.30.928.224.764.220.544.4No. 0BA6125.45.44.80.65英制普通螺紋惠氏螺紋一粗牙BSW名義尺寸牙型代號(hào)大徑螺距每英寸牙數(shù)中徑小徑牙型高底孔H?徑Wwmmmmtpimm外螺紋

6、H1mmd=DP62=02d31/16 BSW1.590.423601.3151.050.271.153/32"BSW2.380.529482.0411.7030.3381.91/8 BSW3.180.635402.7682.3620.4062.55/32"BSW3.970.793323.4592.9520.5073.23/16"BSW4.761.058244.0843.4070.6773.77/32 BSW5.561.058244.8784.2010.6774.51/4 "BSW6.351.27205.5374.7240.8135.15/16"

7、;BSW7.941.411187.0346.1310.9046.53/8 BSW9.531.588168.5097.4921.0177.97/16 wBSW11.11.814149.9518.7891.1629.21/2 BSW12.72.1171211.3459.991.35510.45/8 BSW15.92.3091114.39712.921.47913.43/4 "BSW19.12.541017.42415.81.62716.257/8 BSW22.22.822920.41918.611.80719.251 BSW25.43.175823.36821.342.033221 1/

8、8"BSW28.63.629726.25323.932.32424.51 1/4BSW31.83.629729.42827.12.32427.251 3/8 -BSW34.94.233632.21529.512.71130.251 1/2 BSW38.14.233635.39132.682.71133.51 5/8“BSW41.35.08538.02434.773.25335.51 3/4 BSW44.55.08541.19937.953.25338.51 7/8“BSW47.65.6454 1/244.01240.43.61441.252皿BSW50.85.6454 1/247.1

9、8743.573.61444.52 1/4 wBSW57.26.35453.C8649.024.066502 1/2 MBSW63.56.35459.43655.374.066562 3/4“BSW69.97.2573 1/265.20560.564.64761.53BSW76.27.2573 1/271.55666.914.647683 1/4BSW82.67.8163 1/477.54872.545.00573.753 1/2 MBSW88.97.8163 1/483.89978.895.005803 3/4 HBSW95.38.467389.83284.415.42285.54BSW10

10、28.467396.18290.765.422924 1/4 HBSW1088.8352 7/8102.396.645.657984 1/2 -BSW1148.8352 7/8108.651035.657104.24 3/4 HBSW1219.2372 3/4114.74108.65.9151105mBSW1279.2372 3/4121.09115.25.915116.55 1/4 BSW1339.6772 5/8127.161216.196122.55 1/2 -BSW1409.6772 5/8133.51127.36.196128.55 3/4“BSW14610.162 1/2139.5

11、51336.506134.56WBSW15210.162 1/2145.9139.46.506141英制普通螺紋惠氏螺紋一細(xì)牙 BSF名義尺寸牙型代號(hào)大徑螺距毎英寸牙數(shù)中徑小徑牙型高底孔直徑BSFmmmmtpimm外螺紋H1mmd=DPd2=D2d33/16BSF4.760.794324.2553.7470.50847/32BSF5.560.907284.9754.3940.581461/4BSF6.350.977265.7255.10.6255.39/32BSF7.140.977266.5185.8930.6256.15/16BSF7.941.156227.1996.4590.7396.83

12、/8BSF9.531.27208.7127.8990.8138.37/16BSF11.11.4111810.2099.3040.9049.71/2BSF12.71.5881611.68410.671.01711.19/16BSF14.31.5881613.27212.261.01712.75丿8BSF15.91.8141414.71213.551.1621411/16BSF17.51.8141416.315.141.16215.53/4BSF19.12.1171217.69316.341.35516.7513/16BSF20.62.1171219.28117.921.35518.25718BS

13、F22.22.3091120.74719.271.47919.751.00BSF25.42.541023.77422.151.62722.751 1/8BSF28.62.822926.76924.961.80726.51 1/4BSF31.82.822929.94428.141.80728.751 3/8BSF34.93.175832.89330.862.03331.51 1/2BSF38.13.175836.C6834.042.03334.51 5/8BSF41.33.175839.24337.212.033381 3/4BSF44.53.629742.12639.82.32440.52BS

14、F50.83.629748.47646.152.324472 1/4BSF57.24.234654.4451.732.711532 1/2BSF63.54.2346607958.082.711592 3/4BSF69.94.234667.1464.432.7113BSF76.25.08572.S4669.693.25331/4BSF82.65.08579.29676.043.25331/2BSF88.95.6454 1/285.28581.673.6143 3/4BSF95.35.6454 1/291.63588.023.6144BSF1025.6454 1/297.98594.373.614

15、4 1/4BSF1086.354103.8999.824.066British Pipe Thread(惠氏管螺紋)一圓柱(BSPP/BSPF)螺紋代號(hào)根本尺寸大徑螺距每英寸牙數(shù)中徑小徑ZJ宇伯J心底孔尺寸mmmmtpimm外螺紋H1mmd=DPd2=D2d3G 1/81/8"9.730.907289.1478.5660.5818.7G 1/41/4 13.21.3371912.30111.450.85611.6G 3/83/8"16.71.3371915.80614.950.85615G 1/21/2"211.8141419.79318.631.16219G 5

16、/85/8"22.91.8141421.74920.591.16220.75G 3/43/4 M26.41.8141425.27924.121.16224.5G 7/87/8"30.21.8141429.03927.881.16228G11 33.22.3091131.7730.291.47930.5G 1 1/81 1/8 M37.92.3091136.41834.941.47935G 1 1/41 1/4 M41.92.3091140.43138.951.47939.5G1 3/81 3/8 44.32.3091142.84441.371.47941.5G 1 1/21

17、 1/2 -47.82.3091146.32444.851.47945G 1 3/41 3/4 °53.72.3091152.26750.791.47951G2259.62.3091158.13556.661.47957G2 1/42 1/4 65.72.3091164.23162.751.47963G2 1/22 1/2 75.22.3091173.70572.231.47972.5G2 3/42 3/4 81.52.3091180.05578.581.47979G33"87.92.3091186.40584.931.47985.5G3 1/43 1/4 H942.309

18、1192.50191.021.47991G3 1/23 1/2"1002.3091198.35197.371.47997.75G3 3/43 3/4 -1072.30911105.2103.71.479104G44 m1132.30911111.55110.11.479110.5G4 1/24 1/2 M1262.30911124.25122.81.479123G551382.30911136.95135.51.479136G5 1/25 1/2-1512.30911149.65148.21.479148.5G66m1642.30911162.35160.91.479161.51.密

19、封管擁紋 (R)英制密封管以紋的根本尺寸及其公差配合方式英制密封管蛹紋有兩種配合方式，圓柱內(nèi)加紋與國催外勢紋縱成？柱/惟配合；89惟內(nèi)螺紋與岡惟 外螺錢組成"錐配合.歐洲國家主要采用肆柱配合螺紋：而歐洲以外國家那么主要采用A由錐配合螺紋？兩種螺紋的檢驗(yàn)量規(guī)存在一定不同；目前的ISO英制密封管螺紋力規(guī)標(biāo)準(zhǔn)(ISO 7-2 :2000)是按a柱/賦配合體系設(shè)計(jì)英制密封管躲紋的禿英標(biāo)記由崛紋轉(zhuǎn)征代號(hào)紋尺寸代號(hào)和炭向代號(hào)組成英制密封IB柱內(nèi)if紋的特征代號(hào)為，RP ；英制密封BS錐內(nèi)IB紋的特征代號(hào)為* RC :英制密封圓錐外蛛紋的特征代號(hào)為： R1 與英制密封圓柱內(nèi)螺紋配合使用；R2 與英制密封圓錐內(nèi) IB 紋配合使用； 左夷螺紋的旋向代號(hào)為 LH ；右旋 ig 紋的旋向代號(hào)省略不標(biāo) .對密封管螺紋，利用 RP/R1, RC/R2分別表示篁柱/?T和?僧便M紋亂2、非密封管螺