工作時借著閥外的驅動傳動機構轉動驅動軸，帶動搖拐臂，啟動閥板，使工作流體時而從左入口通向閥的下部出口，時而從右入口變換通向下部出口，實現了周期變換流向的目的。 這種變換閥在石油、化工生產中有著廣泛的應用，在合成氨造氣係統中*為常用。此外，換向閥還可作成閥瓣式的結構，多用於較小流量的場合。工作時隻需轉動手輪通過閥瓣來變換工作流體的流向。
PC23-1/2(T),PC23-1/2,PC24-1/2,
PC23-1/2(T),PC23-1/2,PC24-1/2,
PC23-1/2(T),PC23-1/2,PC24-1/2
二位二通截止式換向閥
K22JD-8W K22JD-10W K22JD-15W K22JD-20W K22JD-25W
K22JD-32W K22JD-40W K22JK-8W K22JK-10W K22JK-15W
K22JK-20W K22JK-25W K22JK-32W K22JK-40W
二位三通截止式電磁換向閥
K23JD-8W K23JD-15W K23JD-10W K23JD-20W
K23JD-25W K23JD-32W K23JD-40W K23JD-8WT
二位五通截止式換向閥(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
K23JD係列二位三通截止式電磁換向閥
K23JD-6 K23JD-8 K23JD-10 K23JD-15 K23JD-20 K23JD-25
K23JD-6T K23JD-8T K23JD-10T K23JD-15T K23JD-20T K23JD-25T
K23JD2-6 K23JD2-8 K23JD2-10 K23JD2-15 K23JD2-20 K23JD2-25
K23JD2-6T K23JD2-8T K23JD2-10T K23JD2-15T K23JD2-20T K23JD2-25T
K23JK-6 K23JK-8 K23JK-10 K23JK-15 K23JK-20 K23JK-25
K23JK-8T K23JK-10T K23JK-15T K23JK-20T K23JK-25T K23JK2-6T
K23JK2-8T K23JK2-10T K23JK2-15T K23JK2-20T K23JK2-25T K23JK2-6
K23JK2-8 K23JK2-10 K23JK2-15 K23JK2-20 K23JK2-25 K23JK-6T
K23J-BW係列截止式換向閥
K23JD-8BW K23JD-10BW K23JD-15BW K23JD-20BW
K23JD-25BW K23JD-32BW K23JD-40BW K23JD-8TBW
K23JD-10TBW K23JD-15TBW K23JD-20TBW K23JD-25TBW
K23JD-32TBW K23JD-40TBW K23JK-8BW K23JK-10BW
K23JK-15BW K23JK-20BW K23JK-25BW K23JK-32BW
K23JK-40BW K23JK-8TBW K23JK-10TBW K23JK-15TBW
K23JK-20TBW K23JK-25TBW K23JK-32TBW K23JK-40TBW
Q24DH係列二位四通換向滑閥
Q24DH-6 Q24DH-8 Q24DH-10 Q24DH-15 Q24DH-20 Q24DH-25
Q24DH-32 Q24DH-40 Q24D2H-6 Q24D2H-8 Q24D2H-10 Q24D2H-15
Q24D2H-20 Q24D2H-25 Q24D2H-32 Q24D2H-40 Q24QH-6 Q24QH-8
Q24QH-10 Q24QH-15 Q24QH-20 Q24QH-25 Q24QH-32 Q24QH-40
Q24Q2H-6 Q24Q2H-8 Q24Q2H-10 Q24Q2H-15 Q24Q2H-20 Q24Q2H-25
Q24Q2H-32 Q24Q2H-40
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