華德2FRM10二通流量控制閥部分型號(hào)：
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(hào)：
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
ZDR6DP1-40B/25Y ZDR6DP1-40B/75Y ZDR6DP1-40B/150Y ZDR6DP1-40B/210Y
ZDR6DP1-40B/25YM ZDR6DP1-40B/75YM ZDR6DP1-40B/150YM ZDR6DP1-40B/210YM
Z2FS6-2-40B/1Q Z2FS6-2-40B/2Q Z2FS6-3-40B/1Q Z2FS6-3-40B/2Q
Z2FS6-5-40B/1Q Z2FS6-5-40B/2Q Z2FS6-7-40B/1Q Z2FS6-7-40B/2Q
Z2FS16-30B/S Z2FS16-30B/S2 Z2FS16-30B/S3 Z2FS16-30B/S4
Z2FS22-30B/S Z2FS22-30B/S2 Z2FS22-30B/S3 Z2FS22-30B/S4
SL10PA1-40B/ SL10PA2-40B/ SL10PA3-40B/ SL10PA4-40B/
SL10PB1-40B/ SL10PB2-40B/ SL10PB3-40B/ SL10PB4-40B/
DB6K1-40B/50Y DB6K1-40B/100Y DB6K1-40B/200Y DB6K1-40B/315Y
DB6K2-40B/50Y DB6K2-40B/100Y DB6K2-40B/200Y DB6K2-40B/315Y
4WE10F31B/CG24N9Z5L 4WE10F31B/CW220-50N9Z5L
4WE10G31B/CG24N9Z5L 4WE10G31B/CW220-50N9Z5L
4WE10H31B/CG24N9Z5L 4WE10H31B/CW220-50N9Z5L

北京華德調(diào)速閥
華德調(diào)速閥部分型號(hào)：
2FRM5-31B/0.2QB
2FRM5-31B/0.2Q
2FRM5-31B/0.6QB
2FRM5-31B/0.6Q
2FRM5-31B/1.2QB
2FRM5-31B/1.2Q
2FRM5-31B/3QB
2FRM5-31B/3Q
2FRM5-31B/6QB
2FRM5-31B/6Q
2FRM5-31B/10QB
2FRM5-31B/10Q
2FRM5-31B/15QB
2FRM5-31B/15Q
2FRM10-21B/2L
2FRM10-21B/2LB
2FRM10-21B/5L
2FRM10-21B/5LB
2FRM10-21B/10L
2FRM10-21B/10LB
2FRM10-21B/16L
2FRM10-21B/16LB
2FRM10-21B/25L
2FRM10-21B/25LB
2FRM10-21B/35L
2FRM10-21B/35LB
2FRM16-21B/40L
2FRM16-21B/40LB
2FRM10-21B/50L
2FRM10-21B/50LB
2FRM16-21B/60L
2FRM16-21B/60LB
2FRM16-21B/80L
2FRM16-21B/80LB
2FRM16-21B/100L
2FRM16-21B/100LB
2FRM16-21B/125L
2FRM16-21B/125LB
2FRM16-21B/160L
2FRM16-21B/160LB
2FRM6A36-20B/1.5QR
2FRM6B36-20B/1.5QR
2FRM6A36-20B/1.5QRM
2FRM6B36-20B/1.5QRM
2FRM6A36-20B/3QR
2FRM6B36-20B/3QR
2FRM6A36-20B/10QR
2FRM6B36-20B/10QR
2FRM6A36-20B/16QR
2FRM16-21B/80LB華德調(diào)速閥
2FRM6B36-20B/16QR
2FRM6A36-20B/25QR
2FRM6B36-20B/25QR
2FRM6A36-20B/3QRM
2FRM6B36-20B/3QRM
2FRM6A36-20B/10QRM
2FRM6B36-20B/10QRM
2FRM6A36-20B/16QRM
2FRM6B36-20B/16QRM
2FRM6A36-20B/25QRM
2FRM6B36-20B/25QRM
2FRM6A76-20B/1.5QR
2FRM6B76-20B/1.5QR
2FRM6A76-20B/3QR
2FRM6B76-20B/3QR
2FRM6A76-20B/10QR
2FRM6B76-20B/10QR
2FRM6A76-20B/16QR
2FRM6B76-20B/16QR
2FRM6A76-20B/25QR
2FRM6B76-20B/25QR
2FRM6A76-20B/1.5QRM
2FRM6B76-20B/1.5QRM
2FRM6A76-20B/3QRM
2FRM6B76-20B/3QRM
2FRM6A76-20B/10QRM
2FRM6B76-20B/10QRM
2FRM6A76-20B/16QRM
2FRM6B76-20B/16QRM
2FRM6A76-20B/25QRM
2FRM6B76-20B/25QRM

疊加式液控單向閥主要由鋼制閥體,一個(gè)或兩個(gè)單向閥,先導(dǎo)級(jí)活塞組成.單向閥的主閥芯內(nèi)有先導(dǎo)錐閥芯,通過它保證單向閥打開.當(dāng)油液由A1流向A2,單向閥打開,同時(shí)先導(dǎo)級(jí)活塞被推至右位,通過先導(dǎo)錐閥芯的作用單向閥打開.