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华德电磁球阀部分型号：
M-2SEW6P30B/420MG24N9K4 M-2SEW6P30B/630MG24N9K4
M-2SEW6N30B/420MG24N9K4 M-2SEW6N30B/630MG24N9K4


M-3SEW6U30B/420MG24N9K4 M-3SEW6U30B/630MG24N9K4
M-3SEW6C30B/420MG24N9K4 M-3SEW6C30B/630MG24N9K4


M-4SEW6D30B/420MG24N9K4 M-4SEW6D30B/630MG24N9K4
M-4SEW6Y30B/420MG24N9K4 M-4SEW6Y30B/630MG24N9K4
北京华德叠加溢流阀

DB6VA-1-40B/50  ZDB6VA-1-40B/100  ZDB6VA-1-40B/200  ZDB6VA-1-40B/315
ZDB6VA-2-40B/50  ZDB6VA-2-40B/100  ZDB6VA-2-40B/200  ZDB6VA-2-40B/315
ZDB6VA-3-40B/50  ZDB6VA-3-40B/100  ZDB6VA-3-40B/200  ZDB6VA-3-40B/315
ZDB6VA-7-40B/50  ZDB6VA-7-40B/100  ZDB6VA-7-40B/200  ZDB6VA-7-40B/315
 
ZDB6VB-1-40B/50  ZDB6VB-1-40B/100  ZDB6VB-1-40B/200  ZDB6VB-1-40B/315
ZDB6VB-2-40B/50  ZDB6VB-2-40B/100  ZDB6VB-2-40B/200  ZDB6VB-2-40B/315
ZDB6VB-3-40B/50  ZDB6VB-3-40B/100  ZDB6VB-3-40B/200  ZDB6VB-3-40B/315
ZDB6VB-7-40B/50  ZDB6VB-7-40B/100  ZDB6VB-7-40B/200  ZDB6VB-7-40B/315