石油、化工及相关工业用的钢制旋启式止回阀 放泄孔接管和放泄孔凸台的尺寸
止回阀的公称尺寸 DN |
放泄孔接管公称尺寸 DN |
凸台的最小直径/mm |
50~100 |
15 |
38 |
125~200 |
20 |
44 |
250~300 |
25 |
54 |
≥350 |
40 |
70 |
This region has not yet joined our new website. You will now continue to the existing site for 欧宝网页版_欧宝(中国)