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阀门安装时对其的要求: (1)有足够的强度; (2)关闭严密; (3)流动阻力小; (4)阀门零件具有互换性; (5)结构简单、重量轻、体积小、操作方便、检修维护容易等。 (6)对截止阀、闸阀和安全阀等必须能关闭严密;对调节阀要求介质流量和阀门的开度 呈线性关系;对快速关闭阀门要求动作迅速和关闭严密等。
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