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波纹管密封调节阀
特殊系列调节阀 Special series regulating valve
DC1620W 波纹管密封调节阀 DC1620W Bellows sealing control valve
DC1620W系列波纹管密封调节阀是在现有中低压系列调节阀的基础上,增加波纹管密封结构,在保证中低压系列调节阀原有的结构特点,阀盖采用波纹管密封结构,可彻底清除介质在阀杆运动间隙向外泄漏的可能性,因此,该系列产品在剧毒,强腐蚀性,易挥发,强渗透性介质及稀有贵重介质的控制系统中得到广泛的应用。
DC1620W series bellows seal regulating valve is based on the existing medium and low pressure series regulating valve, adding bellows sealing structure, ensuring the original structural characteristics of medium and low pressure series regulating valve. The valve cover adopts bellows sealing structure, which can be completely removed. The possibility of the medium leaking outward in the gap of the valve stem movement, therefore, the series of products are widely used in control systems of highly toxic, highly corrosive, volatile, strong permeable medium and rare precious medium.
技术参数 technical data
公称通径:DN15~DN600(1/2″~24″)
压力等级:PN16~PN250(ANSI 150~1500)
阀体材质:A351 CF8/CF8M/CF3/CF3M,A216WCB,A217WC6/WC9
内件材质:S31608/S31603(可选堆焊STL)
阀座泄漏等级:GB4213 Ⅳ级/Ⅴ级/Ⅵ级
工作温度范围:-20℃~350℃
连接方式:法兰连接、对焊连接
阀盖形式:波纹管密封型
填料材质:柔性石墨、PTFE