北京華德先導式減壓閥DR10-4-50B/100YM液壓閥
DB10-1-50B/200
DB10-1-50B/100
華德先導溢流閥
DB30-1-50B/315
DB30-1-50B/200
DB30-1-30B/100
DB20-1-50B/315
DB20-1-50B/200
DB15-1-30B/100
北京華德比例閥部分型號如下：
DBE10-30/100XY
DBE10-30B/100Y
DBE10-30B/50YM
DBEM10-30B/200YM
DBE10-B-Y-315
DBE10-30/100M
DBE10-30B/100YM
北京華德先導式減壓閥DR10-4-50B/100YM液壓閥
DBETR-10B/315
DBETR-10B/315YM
DBETR-10B/80M
DBE10-30B/100Y/D03
DBE10-30B/200Y
DBE10-30B/200YM
DBE10-30B/315YM
DBE20-30B/315YM
DBEC20-30B/315
DBEM10-30B/100YM
DBEM10-30B/200XYM
DBEM10-30B/315XYM
DBEM10-30B/315YM
DBEM20-30B/100YM
DBEM20-30B/315YM
DBEM20-30B/50YM
北京華德先導式減壓閥DR10-4-50B/100YM液壓閥
DBEM30-30B/200YM
DBEM30-30B/315YM
3DREP6A-10B/16A24NZ4/M
3DREP6C-10B/25A24NZ4M
3DREP6C-10B/25A24NZ4V
DRE10-30B/100YM
DRE10-30B/200Y
DRE10-30B/315Y
