QFD系列是直流二位三通型电磁阀,有防水性,主要用于矿山等露天作业场合。本产品为QF1-22升级换代产品,安装尺寸与 QF1-22相同,其结构更合理,使用寿命长,更安全可靠。 QFD series are 3/2-ways solenoide valves,they are water proof mainly used in open air work sites like minting same mounting size as QF1-22.
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