55度管螺纹标准尺寸对照表1

1、BSPT(JISPT)55圆锥管螺纹(BSPT)螺纹代号基本尺寸英寸大径mmd=D螺距mmp每英寸牙数tpi中径mmd2=D2小径外螺纹d3牙型高度H1圆弧尺寸r底孔尺寸mmR1/161/167.7230.907287.1426.5610.5810.1256.4R1/81/89.7280.907289.1478.5660.5810.1258.4R1/41/413.1571.3371912.30111.4450.8560.18411.2R3/83/816.6621.3371915.80614.9500.8560.18414.75R1/21/220.9551.8141419.79318.6311.

2、1620.24918.25R3/43/426.4411.8141425.27924.1171.1620.24923.75R1133.2492.3091131.7730.2911.4790.31730R11/411/441.9102.3091140.43138.9521.4790.31738.5R11/211/247.8032.3091146.32444.8451.4790.31744.5R2259.6142.3091158.13556.6561.4790.31756R21/221/275.1842.3091173.70572.2261.4790.31771R3387.8842.3091186.

3、40584.9261.4790.31785.5R44113.0302.30911111.551110.0721.4790.317110.5R55138.4302.30911136.951135.4721.4790.317136R66163.8302.30911162.351160.8721.4790.317161.555圆柱管螺纹的型式和尺寸pBSPP/BSPF(JISPF)BritishPipeThread(惠氏管螺纹)圆柱(BSPP/BSPF)大径螺距每英寸牙中径小径牙型高底孔尺螺纹代基本尺mmmm数mm外螺纹度寸号寸d=Dptpid2=D2d3H1mm0.90G1/81/89.72872

4、89.1478.5660.5818.713.151.33G1/41/4771912.30111.4450.85611.616.661.33G3/83/8271915.80614.950.8561520.951.81G1/21/2541419.79318.6311.1621922.911.81G5/85/8141421.74920.5871.16220.7526.441.81G3/43/4141425.27924.1171.16224.530.201.81G7/87/8141429.03927.8771.1622833.242.30G11991131.7730.2911.47930.537.89

5、2.30G11/811/8791136.41834.9391.479352.30G11/411/441.9191140.43138.9521.47939.544.322.30G13/813/8391142.84441.3651.47941.5G11/211/247.8032.3091146.32444.8451.47945G13/413/453.7462.3091152.26750.7881.47951G2259.6142.3091158.13556.6561.47957G21/421/465.712.3091164.23162.7521.47963G21/221/275.1842.30911

6、73.70572.2261.47972.5G23/423/481.5342.3091180.05578.5761.47979G3387.8842.3091186.40584.9261.47985.G31/431/493.982.3091192.50191.0221.47991G31/231/2100.332.3091198.35197.3721.47997.75G33/433/4106.682.30911105.201103.7221.479104G44113.032.30911111.55110.0721.479110.5G41/241/2125.732.30911124.251122.77

7、21.479123G55138.432.30911136.951135.4721.479136G51/251/2151.132.30911149.651148.1721.479148.5G66163.832.30911162.351160.8721.479161.5公称直径（英寸）每英寸牙数n螺距P有敦怅度1外螺纹瑞面外径d内螺纹瑞面内径D单边牙岛h内螺纹钻孔D。1/S280.90799.430.S30.501乩101/4191.3371112.7011.760.05610.803/81216.2815.3314.251/2141.8141520.4919.101.16217.903/4172

8、5.8524.5923.2511932.5630.7929.251滋2241.1039.5237.751堆234S.9345.5143.502265S.6257.23552城112.3093074.0372.951.47933286.6185.65433111.44110.86541136.66136.26645161.87161.7255度圆锥管螺纹的实际加工尺寸55圆柱管螺纹的型式和尺寸BSPP/BSPF(JISPF)BritishPipeThread（惠氏管螺纹）-圆柱(BSPP/BSPF)螺纹代号基本尺寸大径mmd=D螺距mmP每英寸牙数tpi中径mmd2=D2小径外螺纹d3牙型高度H

9、1底孔尺寸mmG1/81/89.7280.907289.1478.5660.5818.7G1/41/413.1571.3371912.30111.4450.85611.6G3/83/816.6621.3371915.80614.950.85615G1/21/220.9551.8141419.79318.6311.16219G5/85/822.9111.8141421.74920.5871.16220.75G3/43/426.4411.8141425.27924.1171.16224.5G7/87/830.2011.8141429.03927.8771.16228G1133.2492.30911

10、31.7730.2911.47930.5G11/811/837.8972.3091136.41834.9391.47935G11/411/441.912.3091140.43138.9521.47939.5G13/813/844.3232.3091142.84441.3651.47941.5G11/211/247.8032.3091146.32444.8451.47945G13/413/453.7462.3091152.26750.7881.47951G2259.6142.3091158.13556.6561.47957G21/421/465.712.3091164.23162.7521.47

11、963G21/221/275.1842.3091173.70572.2261.47972.5G23/423/481.5342.3091180.05578.5761.47979G3387.8842.3091186.40584.9261.47985.G31/431/493.982.3091192.50191.0221.47991G31/231/2100.332.3091198.35197.3721.47997.75G33/433/4106.682.30911105.201103.7221.479104G44113.032.30911111.55110.0721.479110.5G41/241/21

12、25.732.30911124.251122.7721.479123G55138.432.30911136.951135.4721.479136G51/251/2151.132.30911149.651148.1721.479148.5G66163.832.30911162.351160.8721.479161.54分管DNL5E分管DN20/1,1-DN321.F左DN50.2.DN30.*DN100：XDN125&DNITO：8；DN200.10DN20仞DN300)B.T7308.22000鮎時纹附拙本尺寸业班住并1234每：1.：尺J代25i4nm吗所包脚PftfTmmmm1/1020

13、+-亘崗吐盘土幵堆(f=D就小mmrnmmmmmmm圈数mmmnimmmmFT1T1mmmiTi7.7237.14Z6S51414.EJ3117.4561,1&.T29S147850640,914.93d阳7,45fi1,11J1571230111.4451317J4.73.75L711a41716J0&215506145636.41317.75.13.710L111.4as171%如血1&79018J031S21E1100園W1511Z232&44-12J127S3*.117S51B11137.75i02劳14131Z723111230S1.47933L3931.7703029110.4231127S16.41&B19.114S29231.479415H0401U+&.4W21.41S291123061479473034324羽囲127231ISO1U.46.419.121.4!碍Z9211Z30S1.47S5961493.13556J6361SSZ311&213J&23L4Z57ZJ.1Z9场111.47971547317057772F317515化2WT4D9242