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DSJ41H法兰式水封截止阀结构形式：阀盖填料室具有水循环密封结构，当接口通人压力为0. 6～l 0MPa的水压时．可使系统与大气隔离，保证系统具有良好的气密性.DS／Z型系列采用双闸板双向弹性密封、启闭灵活迅速密封可靠；真空隔断截止阀 阀杆与阁瓣采用动连接，阀瓣与阀座垂直座封；启闭行程和阀门高度小.
法兰式水封截止阀产品结构简单紧凑合理检修方便使用寿命长.在管路上作启闭置用．必须处于全开或全闭状态，不得用于调节流量.应用领域：适用于石油化工，火力发电厂等油品、水蒸汽管路上作接通或截断管路中介质的启闭装置.

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