生产现场管理体系 Produktions System
大径(基准直径)中径d2=D2小径
d1=D11/1628
0.9070.5810.1257.7237.142 6.5614 6.51分1/8280.9070.5810.1259.7289.1478.5664 6.52分DN81/419 1.3370.5860.18413.15712.30111.44569.73分3/819
1.3370.5860.18416.66215.80614.950610.14分D N151/221.3
2.8 2.4514 1.814 1.1620.24920.95519.79318.63181
3.26分D N203/4
26.9
2.8
2.45
14 1.814 1.1620.24926.44125.27924.1171014.51寸D N25133.7 3.2 2.811 2.309 1.4790.31733.24931.77030.2911016.81.2寸D N32 1.1/442.4 3.5 3.0611 2.309 1.4790.31741.91040.43138.9521319.11.5寸D N40 1.1/248.3 3.5 3.0611 2.309 1.4790.31747.80346.32444.8451319.12寸D N50260.3 3.8 3.32511 2.309 1.4790.31759.61458.13556.6561623.42.5寸D N65 2.1/276.14 3.5
11 2.309 1.4790.31775.18473.70572.2261826.73寸D N80388.9411 2.309 1.4790.31787.88486.40584.9262129.83.5寸 3.1/211 2.309 1.4790.317100.33098.85197.3722231.44寸D N1004114.3411 2.309 1.4790.317113.030111.551110.0722535.85寸D N1255140 4.511 2.309 1.4790.317138.430136.951135.4722940.16寸D N1506
168.3
4.5
11
2.309
1.479
0.317
163.830
162.351
160.872
29
40.1
8寸D N2008219.1
10寸
D N250
锥管螺纹的基本尺寸表(3-28)1/2PT
、1/2NPT 、
表(3-28)螺纹基本尺寸 (单
位:mm)
基面上的基本直径通称尺寸对应口径尺寸代号目视管理 Visuelles Management
基准距离
有效螺纹
长度1英寸=25.4mm=8分 以上壁厚尺寸以焊管、镀锌管理论重量为例(按GB/T3091-2001标准执行)
圆弧半径
r≈外径
壁厚
最小壁厚每
25.4mm
类的牙数螺距p 牙型高度h