专业经销DUNGS（冬斯）燃气设备燃气电磁阀：SV-D507,SV-D512,SV-DLE512 一、DUNGS（冬斯）压力开关：LGW3A4、LGW10A4、LGW50A4、LGW150A4，GW3A5、GW10A5、GW50A5、GW150A5，GW3A6、GW10A6、GW150A6，LGW3A2、LGW10A2、LGW50A2P，LGW3A2P、LGW10A2P、LGW50A2P、LGW150A2P 电磁阀：ZRD407--- ZRD420 ; ZRD5040---ZRD5125 ZRLE407--- ZRLE 420; ZRLE5040----ZRLE5125 ZRDLE407--- ZRDLE 420; ZRDLE5040-ZRDLE5125 MVD203---MVD220; MVD2020---MVD2125 MVD503---MVD520; MVD5040---MVD5125 MVDLE203---MVDLE220; MVDLE2020---MVDLE2125 MVDLE503---MVDLE520; MVDLE5040---MVDLE5125 检漏装置：VDK200AS02 VPS504S01 VPS504S02 VPS504S04 DK2FS02 DK2FS03 LK2F/2 调压阀：FRS503---FRS520; FRS5040---FRS5125 FRI503---FRI520; FRI5040---FRI5125 FRN503---FRN520; FRN5040---FRN5125 FRNG503---FRNG520; FRNG5040---FRNG5125 FRU503---FRU520; FRU5040---FRU5125 手动切断阀：HSAV503---HSAV520; HSAV5040---HSAV512 HSAV15007 排泄阀：LGV407；LGV5020 双级电磁阀: DMV-D503---DMV-D520; DMV-D5040---DMV-D5125 DMV-DLE503---DMV-DLE520; DMV-DLE5040---DMV-DLE5125 DMV-ZRD503---DMV-ZRD520; DMV-ZRD5040---DMV-ZRD5125 DMV-ZRLE503---DMV-ZRLE520; DMV-ZRLE5040---DMV-ZRLE5125 DMV-ZRDLE503---DMV-ZRDLE520; DMV-ZRDLE5040---DMV-ZRDLE5125 DMV-SE503---DMV-SE520; DMV-SE5040---DMV-SE5125 蝶阀：DMK503---DMK520; DMK5040---DMK5125 组合阀（单级）： MB-DLE403 B01 S20----- MB-DLE420 B01 S20 MB-DLE403 B01 S22----- MB-DLE420 B01 S22 MB-DLE403 B01 S50----- MB-DLE420 B01 S50 MB-D403 B02 S02 组合阀（双级）： MB-ZRDLE403 B01 S20----- MB-ZRDLE420 B01 S20 MB-ZRDLE403 B07 S22----- MB-ZRDLE420 B07 S22 MB-ZRDLE403 B01 S50----- MB-ZRDLE420 B01 S50 组合阀（比例）： MB-VEF403 B01 S10----- MB-VEF420 B01 S10 MB-VEF403 B01 S30----- MB-VEF420 B01 S30 燃气压力开关: GW3A4 GW10A4 GW50A4 GW150A4 GW500A4 GW3A5 GW10