液压传动控制调节元件又称控制阀，用它控制流体的流动方向，调节流体的压力和流量，以满足执行元件的启动、停止、改向、调速、稳压、卸压、增压、减压等各种工作需要。

　　SWH是系列号，G03是通径（10mm),2B3B是中位机通，A220是AC220V，20是插入式接头带密封套

　　电磁换向阀部分型号： SWH-G03-C2,SWH-G03-C4,SWH-G03-C6,SWH-G03-C60,SWH-G03-B2,SWH-G03-D2,SWH-G03-C3,SWH-G03-B3,SWH-G03-C2-A220/D24/A110/D12-20,SWH-G03-C4-A220/D24/A110/D12-20,SWH-G03-C6-A220/D24/A110/D12-20,SWH-G03-C60-A220/D24/A110/D12-20,SWH-G03-B2-A220/D24/A110/D12-20,SWH-G03-D2-A220/D24/A110/D12-20,SWH-G03-C3-A220/D24/A110/D12-20,SWH-G03-B3-A220/D24/A110/D12-20,SWH-G03-C2-A220/D24/A110/D12-10,SWH-G03-C4-A220/D24/A110/D12-10,SWH-G03-C6-A220/D24/A110/D12-10,SWH-G03-C60-A220/D24/A110/D12-10,SWH-G03-B2-A220/D24/A110/D12-10,SWH-G03-D2-A220/D24/A110/D12-10,SWH-G03-C3-A220/D24/A110/D12-10,SWH-G03-B3-A220/D24/A110/D12-10,SWH-G03-C2-A2/D2/A1/D1-20,SWH-G03-C4-A2/D2/A1/D1-20,SWH-G03-C6-A2/D2/A1/D1-20,SWH-G03-C60-A2/D2/A1/D1-20,SWH-G03-B2-A2/D2/A1/D1-20,SWH-G03-D2-A2/D2/A1/D1-20,SWH-G03-C3-A2/D2/A1/D1-20,SWH-G03-B3-A2/D2/A1/D1-20,SWH-G03-C2-A2/D2/A1/D1-10,SWH-G03-C4-A2/D2/A1/D1-10,SWH-G03-C6-A2/D2/A1/D1-10,SWH-G03-C60-A2/D2/A1/D1-10,SWH-G03-B2-A2/D2/A1/D1-10,SWH-G03-D2-A2/D2/A1/D1-10,SWH-G03-C3-A2/D2/A1/D1-10,SWH-G03-B3-A2/D2/A1/D1-10