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                • 防污隔断火之力阀

                  防污隔鐺断阀

                  防污隔断阀是一种安装在各类管路系统中用于严格阻止介质倒流,保护其后的介¤质或设备不受污染的止逆类阀门。由卐两个串联的止回阀和过渡部分组成,密封严密,确保介质々无一点回流,安全可靠,使用寿命长隔断阀为多重止眉頭皺起回密封串联而成,当其中有一只密封破坏时,另二只还起密▼封作用,防止回流。但三只止回密封同时破坏后,就失去了止回作用,

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