度管螺纹标准尺寸对照表

1、螺纹轴线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Imrp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mmR1/161/16"7.7230.907287.14216.56110.58110.12516.41R1/81/8"9.7280.907289.1478.5660.5810.1258.4R1/41/4"13.1571.3371912.30111.4450.8560.18411.2R3/83/8"16.6621.3371915.80614.9500.8560.18

2、414.75R1/21/2"20.9551.8141419.79318.63111.16210.249118.251R3/43/4"26.4411.8141425.27924.1171.1620.24923.75R11"33.2492.30911131.7730.29111.47910.3171301R11/411/4"41.9102.3091140.43138.9521.4790.31738.5R11/211/2"47.8032.3091146.32444.8451.4790.31744.5R22"59.6142.30911158.

3、135：56.65611.4790.3171561R21/221/2"75.1842.309:1173.70572.22611.47910.31771R33"87.8842.3091186.40584.9261.4790.31785.5R44"113.0302.30911111.551110.0721.4790.317110.5R55"138.4302.309111136.951135.4721.4790.3171136:R66"163.8302.30911162.351160.8721.4790.317161.555°圆柱管螺纹的型

4、式和尺寸COP一雕Pf|rBSPP/BSPF(JISPF)BritishPipeThread(惠氏管螺纹)-d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H1底孔尺寸mmG1/81/8"9.7280.907289.1478.5660.5818.7G1/41/4"13.1571.3371912.30111.4450.85611.6G3/83/8"16.6621.3371915.80614.950.85615G1/21/2"20.9551.8141419.79318.6311.162

5、19G5/85/8"22.9111.8141421.74920.5871.16220.75G3/43/4"26.4411.8141425.27924.1171.16224.5G7/87/8"30.2011.8141429.03927.8771.16228G11"33.2492.3091131.7730.2911.47930.5G11/811/8"37.8972.3091136.41834.9391.47935G11/411/4"41.912.3091140.43138.9521.47939.5G13/813/8"44.323

6、2.3091142.84441.3651.47941.5G11/211/2"47.8032.3091146.32444.8451.47945G13/413/4"53.7462.3091152.26750.7881.47951G22"59.6142.3091158.13556.6561.47957G21/421/4"65.712.3091164.23162.7521.47963G21/221/2"75.1842.3091173.70572.2261.47972.5G23/423/4"81.5342.3091180.05578.5761.

7、47979G33"87.8842.3091186.40584.9261.47985.G31/431/4"93.982.3091192.50191.0221.47991G31/231/2"100.332.3091198.35197.3721.47997.75G33/433/4"106.682.30911105.201103.7221.479104G44"113.032.30911111.55110.0721.479110.5G41/241/2"125.732.30911124.251122.7721.479123G55"138

8、.432.30911136.951135.4721.479136G51/251/2"151.132.30911149.651148.1721.479148.5G66"163.832.30911162.351160.8721.479161.5公称直径英寸）号英寸牙敦口螺距P有效长度1外媒故瑞面外径d内螺故送面内径D单边牙高h内螺纹钻孔D。1/8230.90799.438.830,5318.101/4191.337L112.T311.760.85610.803/8141.814L216.2815.331.16214.251/21520.4919.1017.903/41725.8

9、524.5923.251112.3091932.5630.791.47929.251!i2241.1039.5237.751的2346.9345.5143.5022658.6257.28552l二3074.0372.9533286.6185.66438111.44110.86一541136.66136.26645161.87161.7255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d

10、3牙型高度H1底孔尺寸mmG1/81/8"9.7280.907289.1478.5660.5818.7G1/41/4"13.1571.3371912.30111.4450.85611.6G3/83/8"16.6621.3371915.80614.950.85615G1/21/2"20.9551.8141419.79318.6311.16219G5/85/8"22.9111.8141421.74920.5871.16220.75G3/43/4"26.4411.8141425.27924.1171.16224.5G7/87/8"

11、30.2011.8141429.03927.8771.16228G11"33.2492.3091131.7730.2911.47930.5G11/811/8"37.8972.3091136.41834.9391.47935G11/411/4"41.912.3091140.43138.9521.47939.5G13/813/8"44.3232.3091142.84441.3651.47941.5G11/211/2"47.8032.3091146.32444.8451.47945G13/413/4"53.7462.3091152.2675

12、0.7881.47951G22"59.6142.3091158.13556.6561.47957G21/421/4"65.712.3091164.23162.7521.47963G21/221/2"75.1842.3091173.70572.2261.47972.5G23/423/4"81.5342.3091180.05578.5761.47979G33"87.8842.3091186.40584.9261.47985.G31/431/4"93.982.3091192.50191.0221.47991G31/231/2"100.332.3091198.35197.3721.47997.75G33/433/4"106.682.30911105.201103.7221.479104G44"113.032.30911111.55110.0721.4791