北京HUADE华德先导溢流阀

DB10-1-30B/50 DB10-1-30B/100 DB10-1-30B/200 DB10-1-30B/315 

DB10-2-30B/50 DB10-2-30B/100 DB10-2-30B/200 DB10-2-30B/315 

DB20-1-30B/50 DB20-1-30B/100 DB20-1-30B/200 DB20-1-30B/315 

DB20-2-30B/50 DB20-2-30B/100 DB20-2-30B/200 DB20-2-30B/315

DB30-1-30B/50 DB30-1-30B/100 DB30-1-30B/200 DB30-1-30B/315 

DB30-2-30B/50 DB30-2-30B/100 DB30-2-30B/200 DB30-2-30B/315