2.3.1铜制阀门
2.3.1铜制阀门
靑铜制阀门的壳体最小壁厚见表9-35。
表9 | -35靑铜制阀门壳体壁厚 | (单位; | mm) | |||||||||
标 准 | BS1952-1987,B2026—1988 | |||||||||||
阀 类 | 闸阀 | 截止阀 | ||||||||||
公称压力/lb | ||||||||||||
(压力级) | 1 | 00 | I | 25 | 1 | 50 | 2 | 00 | 250 | |||
公称尺寸 | ||||||||||||
mm | in | in | mm | mm | in | mm | in | mm | in | mm | ||
10 | 1 4 | 0.065 | 1.6 | 0.们0 | 1-7 | 0.075 | 1 | .9 | 0.080 | 2.0 | 0.090 | 2.2 |
12 | 3 /8 | 0.070 | 1.7 | 0.075 | J.9 | 0.080 | 2 | .0 | 0.085 | 2.1 | 0.095 | 2.4 |
15 | 1/2 | 0.075 | 1.9 | 0.080 | 2.0 | 0.085 | 2 | .1 | 0.095 | 2.4 | 0.105 | 2.6 |
20 | 3 /4 | 0.0巧 | 1.9 | 0.085 | 2.1 | 0.095 | 2 | .4 | 0. 100 | 2.5 | 0. 115 | 2.9 |
25 | 1 | 0.080 | 2.0 | 0.090 | 2.2 | 0. 100 | 2 | .5 | 0. 115 | 2.9 | 0. 130 | 3.3 |
32 | 1-4 | 0.090 | 2.2 | 0. 100 | 2.5 | 0. 105 | 2 | .6 | 0. 125 | 3. 1 | 0. 145 | 3.6 |
40 | 1/2 | 0.090 | 2.2 | 0.100 | 2.5 | 0.110 | 2 | .7 | 0.130 | 3.3 | 0.150 | 3.8 |
50 | 2 | 0.100 | 2.5 | 0.115 | 2.9 | 0.125 | 3 | .1 | 0.130 | 3.8 | 0. 150 | 4.3 |
65 | 2i | 0. HO | 2.7 | 0. 125 | 3. 1 | 0. 140 | 3 | .5 | 0. 170 | 4.3 | 0. 195 | 4.9 |
80 | 3 | 0.120 | 3.0 | 0.135 | 3.4 | 0. 150 | 3 | .8 | 0.185 | 4.6 | 0.215 | 5.4 |
90 | 3/4 | |||||||||||
2 | ||||||||||||
100 | 4 |