石油、石化及相关工业用钢制截止阀和升降式止回阀 阀体与阀盖连接螺柱最小直径
| 公 称 尺 寸 DN |
螺 柱 最 小 直 径 |
| 25~65 |
M10 |
| 80~200 |
M12 |
| ≥250 |
M16 |
This region has not yet joined our new website. You will now continue to the existing site for 开云·官方端页面网站登录入口-开云online(中国)