关闭阀为什么要尽量选用硬密封？

The shut-off valve should have as low leakage as possible. The leakage of the soft-sealed valve is the lowest, and the shut-off effect is of course good, but it...

为什么直线行程控制阀的阀杆变薄了？

It involves a simple mechanical principle: sliding friction is large and rolling friction is small. The valve stem of the linear travel valve moves up and down....

为什么不能使用双密封阀门作为截止阀？

The advantage of the valve core of a double-seat valve is its force balance structure, which allows for a large pressure difference. However, its prominent draw...

上海良工阀门厂2025年销售会议

打假通报“上海良湾”“武汉鑫盛凯莱”恶意假

打假通知：上海良湾武汉鑫盛凯莱 恶意 假冒上海良工阀门厂有限公司 ，谨防假冒！ 关于近来很多客户来电询问，上海良湾阀门有限公司是否为上海良工阀门厂有限公司分公司或办事处

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