北京HUADE华德比例减压阀DRE10

DRE10-30B/200Y  DRE10-30B/200YM  DRE10-30B/100Y
DRE10-30B/315Y  DRE10-30B/315YM  DRE10-30B/100YM

DREM10-30B/50Y  DREM10-30B/50YM  DRE10-30B/50YM
DREM10-30B/100Y DREM10-30B/100YM DRE10-30B/50Y 

DREM10-30B/200Y DREM10-30B/200YM DREM10-30B/315YM
DREM10-30B/315Y