阀体的最小壁厚规范2
公称公称压力PN尺寸162025405063、64100、110150、160250、260420DN阀体最小壁厚/mm156.36.36.36.36.36.36.37.79.511.1206.36.36.36.36.36.57.18.911.113.5256.36.36.36.36.36.77.99.512.715.1326.36.36.36.36.37.08.710.514.217.5406.36.36.77.47.98.49.511.315.019.0507.98.78.89.29.510.011.113.819.022.2658.79.59.810.611.111.411.915.422.225.4809.410.310.611.411.912.212.719.023.830.210010.311.111.412.212.712.715.921.428.635.715011.911.912.614.615.916.719.025.438.148.420012.712.713.415.917.419.025.431.847.661.925013.513.514.517.219.021.428.636.557.267.530015.915.916.819.321.023.831.842.166.786.535016.716.7—————46.069.8—40017.517.5————————