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NKJ61/64Y NKJ41/44H vacuum isolation valve
Product Name:
NKJ61/64Y NKJ41/44H vacuum isolation valve
Description:

NKJ61/64Y NKJ41/44H真空隔离截止阀

产品描述:

主要结构特点及用途

①本系列阀门主体采用铸锻结构,具有平行双密封副半强制双向密封,密封面到位运动和楔形块运动分步作用实现零泄漏。

②密封面运动摩擦力小,启闭轻便,而且密封面磨损有自动补偿功能。

③结构简单、紧凑、检修方便、使用寿命长。

④阀盖填料室设有真空密封结构,具有自胀压紧作用,并且各接触面采用高强膨胀材料密封,使系统与大气完全隔离,具有很好的系统气密性。

⑤本系列阀门连接形式分法兰、焊接两种,驱动方式有手动、电动两种。

⑥该阀门适用于工作温度≤425℃和≤550℃,工作介质为水、蒸汽或空气的管路上,作为启闭装置;尤其适用于火电厂汽机冷凝和真空负压系统,起真空隔离密封作用。

阀门结构型式


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