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1、API 接头丝扣规范接头丝扣规范公接头公接头名称名称类型类型 英寸英寸扣扣 型型扣扣 数数 扣扣 英英 寸寸锥度锥度基面丝扣基面丝扣 平均直径平均直径大端直径大端直径小头直小头直径径公扣长公扣长母扣长母扣长母扣镗母扣镗 孔直径孔直径NC23V-0.038R41:659.82085.1052.4076.2092.07566.675 NC26V-0.038R41:667.76773.0560.3576.2692.07574.613 NC31V-0.038R41:680.84886.1371.3288.90104.78087.700 NC35V-0.038R41:689.68794.9779.096
2、5.25111.13096.383 NC38V-0.038R41:696.720102.0085.06101.60117.480103.580 NC40V-0.038R41:6103.428108.7190.66114.30130.180110.331 NC44V-0.038R41:6112.190117.47098.42114.30130.180119.060 NC46V-0.038R41:6117.500122.780103.73114.30130.180124.610 NC50V-0.038R41:6128.060133.350114.30114.30130.180134.910 NC5
3、6V-0.038R41:4142.646149.250117.50127.00142.880150.810 NC61V-0.038R41:4156.920163.520126.60139.70155.580165.100 NC70V-0.038R41:4179.140185.750147.65152.40163.220187.330数数字字型型NC77V-0.038R41:4196.921203.200161.85165.10180.980204.79023/8”REGV-0.04051:460.08066.67047.6276.2092.07568.62027/8”REGV-0.04051:
4、469.60576.20053.9788.90104.78077.78031/2”REGV-0.04051:482.29288.90065.0795.25111.13090.48841/2”REGV-0.04051:4110.860117.47090.47107.95123.830119.06051/2”REGV-0.05041:4132.944140.210110.06120.65136.530141.68065/8”REGV-0.05041:6146.240152.190131.03127.00142.880153.99075/8”REGV-0.05041:4170.549177.8001
5、44.47133.35149.230180.181正规正规 REG85/8”REGV-0.05041:4194.730201.980167.84136.53152.400204.39031/2” FHV-0.04051:494.843101.45077.6295.25111.130102.7904” FHV-0.06541:6103.428108.71089.66114.30130.180110.33141/2” FHV-0.04051:4115.112121.71696.31101.60117.480123.83151/2” FHV-0.05041:6142.011147.950126.79
6、127.00142.880150.020贯眼贯眼 FH65/8”FHV-0.05041:6165.590171.520150.37127.00142.880173.83023/8” IFV-0.05041:667.76773.05060.3576.2092.07574.61327/8” IFV-0.06541:680.84886.13071.3188.90104.78087.71031/2”IFV-0.06541:696.720102.00085.06101.60117.480103.5804”IFV-0.06541:6117.500122.700103.73114.30130.180124.61041/2”IFV-0.06541:6128.960133.350114.30114.30130.180134.940内平内平 IF51/2 IFV-0.06541:6157.200162.480141.32127.00142.880163.910
