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.

二位三通截止式电磁换向阀 K23JD-8W K23JD-15W K23JD-10W K23JD-20W K23JD-25W K23JD-32W K23JD-40W K23JD-8WT

二位五通截止式换向阀（W） K25JD-8W K25JD-10W K25JD-15W K25JD-20W K25JD-25W K25JD-32W K25JD-40W K25JK-8W K25JK-10W K25JK-15W K25JK-20W K25JK-25W K25JK-32W K25JK-40W