石油、石化及相关工业用钢制截止阀和升降式止回阀 截止阀的静压寿命次数
公称尺寸
DN
静压寿命次数/次
≤100
≥3000
125~200
≥2500
250~400
≥1500
Your closest 网站名称 is
Return to 网站名称 International continue to 网站名称
This region has not yet joined our new website. You will now continue to the existing site for 网站名称
Continue