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HUADE华德先导减压阀：
DR20-5-50B/50Y??DR20-5-50B/100Y??DR20-5-50B/200Y??DR20-5-50B/315Y
DR20-5-50B/50YM??DR20-5-50B/100YM??DR20-5-50B/200YM??DR20-5-50B/315YM
DR20-7-50B/50Y??DR20-7-50B/100Y??DR20-7-50B/200Y??DR20-7-50B/315Y
DR20-7-50B/50YM??DR20-7-50B/100YM??DR20-7-50B/200YM??DR20-7-50B/315YM
HUADE华德先导减压阀：
DR10-4-50B/50Y??DR10-4-50B/100Y??DR10-4-50B/200Y??DR10-4-50B/315Y
DR10-4-50B/50YM??DR10-4-50B/100YM??DR10-4-50B/200YM??DR10-4-50B/315YM
DR10DP2-40B/25Y??DR10DP2-40B/75Y??DR10DP2-40B/150Y??DR10DP2-40B/210Y
DR10DP2-40B/25YM??DR10DP2-40B/75YM??DR10DP2-40B/150YM??DR10DP2-40B/210YM
HUADE华德直动式减压阀：
DR5DP1-10B/25Y??DR5DP1-10B/75Y??DR5DP1-10B/150Y??DR5DP1-10B/210Y??DR5DP1-10B/315Y??
DR5DP1-10B/25XY??DR5DP1-10B/75XY??DR5DP1-10B/150XY??DR5DP1-10B/210XY??DR5DP1-10B/315XY
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DR5DP1-10B/25YM??DR5DP1-10B/75YM??DR5DP1-10B/150YM??DR5DP1-10B/210YM??DR5DP1-10B/315YM
DR5DP1-10B/25XYM??DR5DP1-10B/75XYM??DR5DP1-10B/150XYM??DR5DP1-10B/210XYM??DR5DP1-10B/315XYM
HUADE华德先导减压阀：
DR10-6-50B/50Y??DR10-6-50B/100Y??DR10-6-50B/200Y??DR10-6-50B/315Y
DR10-6-50B/50YM??DR10-6-50B/100YM??DR10-6-50B/200YM??DR10-6-50B/315YM
DR10-4-50B/50Y??DR10-4-50B/100Y??DR10-4-50B/200Y??DR10-4-50B/315Y
DR10-4-50B/50YM??DR10-4-50B/100YM??DR10-4-50B/200YM??DR10-4-50B/315YM
HUADE华德先导顺序阀
DZ10-1-50B/50 DZ10-1-50B/100 DZ10-1-50B/200 DZ10-1-50B/315
DZ10-1-50B/50X DZ10-1-50B/100X DZ10-1-50B/200X DZ10-1-50B/315X
DZ10-1-50B/50Y DZ10-1-50B/100Y DZ10-1-50B/200Y DZ10-1-50B/315Y
DZ10-1-50B/50XY DZ10-1-50B/100XY DZ10-1-50B/200XY DZ10-1-50B/315XY
DZ20-1-50B/50 DZ20-1-50B/100 DZ20-1-50B/200 DZ20-1-50B/315按工作原理和结构，顺序阀分直动式和先导式两类；按压力控制HUADE华德先导顺序阀
顺序阀有内控和外控之分。 在顺序阀中装有单向阀，能通过反向液流的复合阀称为单向顺序阀。一般说来，这种阀使用较多。
DZ20-1-50B/50X DZ20-1-50B/100X DZ20-1-50B/200X DZ20-1-50B/315X
DZ20-1-50B/50Y DZ20-1-50B/100Y DZ20-1-50B/200Y DZ20-1-50B/315Y
DZ20-1-50B/50XY DZ20-1-50B/100XY DZ20-1-50B/200XY DZ20-1-50B/315XY
DZ30-1-50B/50M DZ30-1-50B/100M DZ30-1-50B/200M DZ30-1-50B/315M
DZ30-1-50B/50XM DZ30-1-50B/100XM DZ30-1-50B/200XM DZ30-1-50B/315XM
DZ30-1-50B/50YM DZ30-1-50B/100YM DZ30-1-50B/200YM DZ30-1-50B/315YM
DZ30-1-50B/50XYM DZ30-1-50B/100XYM DZ30-1-50B/200XYM DZ30-1-50B/315XYM
DB3U10E-1-30B/100XYW220-50NZ4??DB3U10E-1-30B/100XYW220-50NZ5??DB3U10E-1-30B/100XYW220-50NZ5L
DB3U10E-1-30B/100XYG24NZ4??DB3U10E-1-30B/100XYG24NZ5??DB3U10E-1-30B/100XYG24NZ5L
北京HUADE华德电磁换向阀，北京HUADE叠加式减压阀，北京HUADE先导式减压阀，北京HUADE节流阀
