SAE/MS直管螺纹接头的允许压力额定值(316/碳螺基面上的螺纹直径不可定位位置可调型螺纹尺寸螺纹尺寸螺纹牙型纹牙数角牙（英寸）大径中径小径（英寸）psigMpapsigMpa数5/16247.9387.2496.7925/1624456831.5456831.57/162011.11310.2879.7387/1620456831.5456831.51/22012.711.87511.3251/220456831.53626259/161814.28813.32512.559609/1618456831.53626253/41619.0518.01917.3313/4156831.53626251-1/161226.98825.61324.6951-1/16123626252900201-5/161233.33831.96331.0461-5/1612290020232016BSP、Rp、G、PF、BSPT锥管螺纹M公制直螺纹螺基面上的螺纹直径基面上的螺纹直径螺纹尺寸螺纹尺寸螺纹牙型纹牙型角牙数角牙（英寸）大径中径小径（MM）大径中径小径数1/16287.7327.1426.561M665.354.91711/82.7829.1478.566M887.356.9171/41913.15712.30111.455M10109.358.9173/81916.66215.80614.95M121211.0310.3761/21420.95519.79318.631M141413.0312.3765/81422.91121.74920.587M161615.0314.3761.53/41426.44125.27924.117M181817.0316.37655607/81430.20129.03927.877M202019.0318.37611133.24931.7730.291M222221.0320.3761-1/81137.736.41834.939M242423.0322.3761-1/41141.9140.43138.952M272725.724.8351-1/21147.80346.32444.845M303028.727.83521-3/41153.74652.26750.788M333331.730.83521159.61458.13556.656M363634.733.835NPT、Z锥管螺纹BSP、R、R1、Rc，ZG、RT、PT、BSPT锥管螺纹螺基面上的螺纹直径基面上的螺纹直径螺纹尺寸螺纹尺寸螺纹牙型纹牙型角牙数角牙（英寸）大径中径小径（英寸）大径中径小径数1/16277.47.1426.3981/16287.7237.1426.5611/82710.2429.48.7371/82.72.1478.5661/41813.61612.48711.3581/41913.15712.311.4453/81817.05515.92614.7973/81916.66215.8114.951/21421.22419.77218.3211/21420.99519.7918.63160553/41426.56925.11723.6663/41426.44125.2824.117111.533.22831.46129.69411133.24931.7730.2911-1/411.541.98540.21838.4511-1/41141.9140.4338.9521-1/211.548.05446.28744.521-1/21147.80346.3244.845211.560.09258.32556.55821159.158.1456.656镀锌管一般采用英制。 1 英寸=25.4毫米 =8英分。。1/2 是 四分(4英分) DN15。3/4 是 六分(6英分)
DN20管名4分管6分管1寸管外径（mm）202532内径（mm）152025镀锌管一般采用英制。1 英寸=25.4毫米 =8英分1/2 是 四分(4英分) DN153/4 是 六分(6英分) DN20
SAE/MS直管螺纹
