Rexroth力士樂單向閥有直通式和直角式兩種。直通式單向閥用螺紋連接安裝在管路上。直角式單向閥有螺紋連接、板式連接和法蘭連接三種形式。液控單向閥也稱閉鎖閥或保壓閥，它與單向閥相同，用以防止油液反向流動。但在液壓回路中需要油流反向流動時又可利用控制油壓，打開單向閥，使油流在兩個方向都可流動。液控單向閥采用錐形閥芯，因此密封性能好。在要求封閉油路時，可用此閥作為油路的單向鎖緊而起保壓作用。

Rexroth力士樂?單向閥又稱止回閥或逆止閥。用于液壓系統中防止油流反向流動,或者用于氣動系統中防止壓縮空氣逆向流動。

DB30-2-5X/350 DBDS20K1X/200 
ZDB 10 VB2-4X/200V 
DBDS20K1X/200 DBDS6K-1X/100
DB30-2-5X/100U DB10-2-5X/100U
DB10-2-5X/100U 
DBW30-B2-5X/350-6EG24- 
DBW20A2-5X/200EG24N9K4 
DBW20A2-5X/200EG24N9K4+Z5L 
DBW30R2-5X/1006AG110NK4 
DBW30B2-5X/1006AG110NK4 
DBW20B2-5X/1006AG110NK4 
DBW10B2-5X/1006AG110NK4 
ZDR10DA2-5X/75Y 
DB70-2-5X/100 
PB10-2-4X/100W65
DR6DP2-5X/75YM 
DR-10-5-5X/100YM 
DR-10-5-5X/100YM 
ZDR 6 DPO-45/40YM W80 
ZDR10DB2-5X/210YM 
DR10-5-3X/200YM
DR20-5-3X/200Y  
DR20-5-3X/200YM
DR20-5-5X/200Y  
DR20-5-5X/200YM
ZDR10DB2-5X/75YM  
ZDR10DP2-5X/75YM 
DR30-5-5X/200YM 
DR3U20D5-5X/150Y6EG24N9K4+Z5L 
DR30-5-5X/100Y 
ZDRK10VP5-1X/100YMV 
ZDR6DB2-4X/75YM 
ZDR6DA2-4X/150YM 
ZDR6DA2-4X/150YM 
ZDR6D-4X/25YM 
ZDR10DB2-5X/75YM  
ZDR10DP2-5X/150YM 
ZDR10DP2-5X/75YM 
ZDR6DB2-4X/150YM  
ZDR6DP2-4X/75YM
ZDR6DP2-4X/75YM 
ZDB10VB2-4X/100V 
ZDB10VB2-4X/100V 
ZDR6DB2-5X/75YM 
ZDR6DB2-5X/75YM 
ZDR10DA2-5X/150Y
ZDR6DB2-4X/150YM 
ZDR6DP2-5X/150YMSV30PA1-4X/ 
ZDR10VB5-3X/100Y 
DR-JO-5-5X/50YM
4WEH22J7X/6EG24N9ETK4/B10 
4WMM10E31 
1WMM10J31 
DG3V-8-8C 
DG3V-3-2N 
4WE10J3X/CG24NK4 
4WE6D5X/AG24NK4 
4WE6J5X/AG24NK4  
4WE6Y5X/AG24NK4 
4WE10J3X/CG110N9K4 
4WRZE32W8-520-7X/6EG24NIETK31F1/D3M+Z31
DV-10-01.1/0 
DV-20-1-0.1/0 
Z2FS16-3X/S
Z2FS6-5-4X/2QV
2S10-5-3X  
2S10-5-3X 
MK10G1X 
Z2FS10-2-3X/
Z2FS10-3X/ 
Z2FS6-2-4X/2QV
Z2FS6-2-4X/2QV 
Z2FS22-3X/S2  
Z2FS10-3X  
Z2FS6-30B Z2FS10-5-3X
Rexroth力士樂?單向閥有直通式和直角式兩種。直通式單向閥用螺紋連接安裝在管路上。直角式單向閥有螺紋連接、板式連接和法蘭連接三種形式。液控單向閥也稱閉鎖閥或保壓閥，它與單向閥相同，用以防止油液反向流動。但在液壓回路中需要油流反向流動時又可利用控制油壓，打開單向閥，使油流在兩個方向都可流動。液控單向閥采用錐形閥芯，因此密封性能好。在要求封閉油路時，可用此閥作為油路的單向鎖緊而起保壓作用。液控單向閥控制油的泄漏方式有內泄式和外泄式二種。在油流反向出口無背壓的油路中可用內泄式;否則需用外泄式，以降低控制油壓力。Z2FS10-5-3X 
Z2FS6B2-4X/2QV 
Z2FS6B2-4X/2QV 
Z2FS10-5-3X Z2FS6A2-4X/2QV  
Z2FS6A2-4X/2QV 
M-SR KE 05-01X 
M-SR52 KE 05- 
M-SR30KE05-1X/ 
M-SR10KE05-1X 
M-SR15KE05-1X/ 
M-SR20KE05-1X 
M-SR25KE02-1X 
Z1S6P1-2X  
M-SR25KE05-1X 
M-SR10KE05 
M-SR20KE05 
M-SR25KE05 
M-SR25KE05-1X/ 
S6A0.0/ R900422880
S6A1.0/ R900422881    
S6A0.0/ S6A5.0/ S8A1.0/
S6A5.0/ R900375858
S8A0.0/ R900422885
S8A1.0/ R900422886
S8A3.0/ R900422888
S8A5.0/ R900358268
S10A0.0/ R900420530
S10A1.0/ R900420531
S10A2.0/ R900420532   
S10A0.0 S10A1.0 S10A2.0
S10A3.0/ R900420534
S10A5.0/ R900446476
S15A0.0/ R900420536
S15A1.0/ R900420537
S15A2.0/ R900420520
S15A3.0/ R900420521   
S15A1.0 S15A3.0 S20A0.0
S15A5.0/ R900446477
S20A0.0/ R900420524
S20A1.0/ R900420525
S20A2.0/ R900420528
S20A3.0/ R900420529
S20A5.0/ R900446369
S25A1.0/ R900420511   
S25A1.0 S25A3.0 S30A0.0
S25A3.0/ R900420515
S25A5.0/ R900451778
S30A0.0/ R900420517
S30A1.0/ R900420519   
S30A0.0 S30A2.0 S30A3.0/
S30A2.0/ R900420502
S30A3.0/ R900420504
S30A5.0/ R900446709
Z1S10D1-3X/V R900417595
Z1S10E1-3X/V R900417596
Z1S10F1-3X/V R900417597
Z1S10P1-3X/V R900417590
Z1S10T1-3X/V R900417591
Z1S10T2-3X/V R900334980
Z2S6-1-6X/ R900347495
Z2S6-2-6X/ R900347496
Z2S6-3-6X/ R900347497
Z2S6A1-6X/ R900347498
Z2S6B1-6X/ R900347501
Z2S10-1-3X/ R900407394
Z2S10-2-3X/ R900421985
Z2S10A1-3X/ R900407424
Z2S10B1-3X/ R900407434
Z2S16-1-5X/ R900328797
Z2S16A1-5X/ R900328798
Z2S16B1-5X/ R900328799
Z2S22 -1-5X/ R900432915
Z2S22 A1-5X/ R900433032
Rexroth力士樂?單向閥  R900433037
SLPB1-6X/ R900491117
SV6PB1-6X/ R900494086
SL10GA1-4X/ R900483370
SL10GB1-4X/ R900451135
SL10PA1-4X/ R900483371
SL10PB1-4X/ R900443419
SL15GA1-4X/ R900587553
SL20PA1-4X/ R900587559
SL20PB1-4X/ R900599586
SL25GA1-4X/ R900587555
SL30GA1-4X/ R900587556
SL30PA1-4X/ R900587560
SV10GA1-4X/ R900483368
SV10GB1-4X/ R900453511
SV10PA1-4X/ R900483369
SV10PB1-4X/ R900467724
SV15GA1-4X/ R900587549
SV20GA1-4X/ R900587550
SV20PA1-4X/ R900587557
SV25GA1-4X/ R900587551
SV30GA1-4X/ R900587552
SV30PA1-4X/ R900587558
M-SR6KD05-1X/ R900301889
M-SR8KE02-1X/ R900357438
M-SR8KE05-1X/ R900346083
M-SR10KE05-1X/ R900344549
M-SR15KE02-1X/ R900348943
M-SR15KE05-1X/ R900345372
M-SR20KE02-1X/ R900345744
M-SR20KE05-1X/ R900340979
M-SR30KE05-1X R900344778
M-SR30KE05-1X/ R900344919
SL20 PA1-42 
SL30 PA2-4X 
SV10 PA1-42 
Z1S 10 DI-33  
Z1S 10 EI-33  
Z1S 10 EI-33  W4 
Z2S16-1-5X
Z2S16A-1-5X 
Z2S16B-1-5X  
Z2S6-1-6X
SL30PA1-4X 
Z2S22-1-5X
SL10PA1-42 
SL30 PA2-4X  
SV10 PA1-42 
Z2S16-1-5X  
Z2S16A1-5X 
Z2S6-1-6X
Z2S6B1-6X 
Z2S16-1-5X  
Z2S10A-1-3X 
SV30PA1-4X/ 
M-SR25KE-05-1X 
Z1S6P1-3X W4 
Z2S6-1-6X 
Z2F-22-1-5X 
Z2SRK6-1 1X/Y 
Z2S10-1-3X

Rexroth力士樂?單向閥就是止回閥 旋啟式止回閥安裝位置不受限制，通常安裝于水平管路，但也可以安裝于垂直管路或傾斜管路上。