參數(shù):
管道通徑d0 | 10 | 15 | 20 | 25 | 32 | 40 | 50 | 70 | |
大小頭長(zhǎng)度A | D×δ | 120 | 100 | 100 | 75 | 75 | 75 | | |
D×δ | 120 | 120 | 100 | 100 | 100 | 75 | 75 | 75 |