華德2FRM10二通流量控制閥部分型號：
2FRM10-21B/2L 2FRM10-21B/5L 2FRM10-21B/10L 2FRM10-21B/16L
2FRM10-21B/25L 2FRM10-21B/35L 2FRM10-21B/50L 2FRM10-21B/50LB
2FRM10-21B/2LB 2FRM10-21B/5LB 2FRM10-21B/10LB 2FRM10-21B/16LB
2FRM10-21B/25LB 2FRM10-21B/35LB 2FRM10-21B/50LB 2FRM5-31B/15QB
2FRM16-21B/40L 2FRM16-21B/60L 2FRM16-21B/80L 2FRM16-21B/100L
2FRM16-21B/125L 2FRM16-21B/160L 2FRM16-21B/80LB 2FRM16-21B/100LB
2FRM16-21B/40LB 2FRM16-21B/60LB 2FRM16-21B/80LB 2FRM16-21B/100LB
2FRM16-21B/125LB 2FRM16-21B/160LB 2FRM5-31B/10QB 2FRM5-31B/15QB
2FRM5-31B/0.2Q 2FRM5-31B/0.6Q 2FRM5-31B/1.2Q 2FRM5-31B/3Q
2FRM5-31B/6Q 2FRM5-31B/10Q 2FRM5-31B/15Q 2FRM5-31B/15QB
2FRM5-31B/0.2QB 2FRM5-31B/0.6QB 2FRM5-31B/1.2QB 2FRM5-31B/3QB
2FRM5-31B/6QB 2FRM5-31B/10QB 2FRM5-31B/15QB
華德液壓閥部分型號：
DB20-1-50B/50 DB20-1-50B/100 DB20-1-50B/200 DB20-1-50B/315
DB20-2-50B/50 DB20-2-50B/100 DB20-2-50B/200 DB20-2-50B/315
DBW10B-2-50B/3156CW220-50N9Z5L DBW10B-2-50B/3156CG24N9Z5L
DBW10A-1-50B/506CW220-50N9Z5L DBW10A-1-50B/506CG24N9Z5L
DBW10A-2-50B/506CW220-50N9Z5L DBW10A-2-50B/506CG24N9Z5L
DBW20B-2-50B/3156CW220-50N9Z5L DBW20B-2-50B/3156CG24N9Z5L
DBW20A-1-50B/506CW220-50N9Z5L DBW20A-1-50B/506CG24N9Z5L
DBW20A-2-50B/506CW220-50N9Z5L DBW20A-2-50B/506CG24N9Z5L
DBW30B-2-50B/3156CW220-50N9Z5L DBW30B-2-50B/3156CG24N9Z5L
DBW30A-1-50B/506CW220-50N9Z5L DBW30A-1-50B/506CG24N9Z5L
DBW30A-2-50B/506CW220-50N9Z5L DBW30A-2-50B/506CG24N9Z5L
Z2S10-1-20B/ Z2S10-2-20B/ Z2S10-3-20B/
Z2S10A1-20B/ Z2S10A2-20B/ Z2S10A3-20B/
Z2S10B1-20B/ Z2S10B2-20B/ Z2S10B3-20B/

北京HUADE華德疊加式溢流閥
HED8OP15B/50Z14L110S
DB20-1-30B/100
Z2FS10B5-30B
Z2S16A1-50B
4WE6F61B/CW220-50N9Z5L
4WE6P61B/CG24N9Z5L
DB20-1-30B/315
SV30PB1-40B
4WE6T61B/CG24N9Z5L
SV30PB2-40B
Z2FS10B7-30B/S3
RVP16-10B
HED8OA15B/100Z14L24S
4WE10G31B/CW220-50N9Z5L
4WE6Y61B/CW220-50N9Z5L
HED8OP15B/50Z14L24S
HED8OH15B/350Z14L220S
Z2S16-2-50B
4WEH10K20B/O6EG24NTZ5L
4WE6T61B/CG12N9Z5L
Z2S22B1-50B
RVP12-10B
Z2FS10A7-30B/S2
4WEH10C20B/O6AW220-50NZ5L
Z2S22A4-50B
2FRM16-21B/100LB
DB10-1-30B/100
Z2S22-3-50B
4WE10P31B/CW220-50N9Z5L
4WRZ10M50-30B/24NETZ4
4WE10C31B/CG24N9Z5L
Z2FS6-3-40B/1Q
SL10PA1-40B
S6A22.0B

疊加式液控單向閥的工作原理與一般液壓閥基本相同，但在具體結(jié)構(gòu)和連接尺寸上則不相同，它自成系列，每個疊加式液控單向閥既有一般液壓元件的控制功能，又起到通道體的作用，每一種通徑系列的疊加式液控單向閥其主油路通道和螺栓連接孔的位置都與所選用的相應(yīng)通徑的換向閥相同，因此同一通徑的疊加式液控單向閥都能按要求疊加起來組成各種不同控制功能的系統(tǒng)。