REXROTH溢流阀DBDS10K1X/100；稳压作用：溢流阀串联在回油路上，溢流阀产生背压，运动部件平稳性增加。
系统卸荷作用：在溢流阀的遥控口串接溢小流量的电磁阀，当电磁铁通电时，溢流阀的遥控口通油箱，此时液压泵卸荷。溢流阀此时作为卸荷阀使用。
安全保护作用：系统正常工作时，阀门关闭。只有负载超过规定的极限（系统压力超过调定压力）时开启溢流，进行过载保护，使系统压力不再增加（通常使溢流阀的调定压力比系统*高工作压力高10%～20%）。
实际应用中一般有：作卸荷阀用，作远程调压阀，作高低压多级控制阀，作顺序阀，用于产生背压（串在回油路上）。
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先导式减压阀
内部先导式减压阀当减压阀的输出压力较高或通径较大时，用调压弹簧直接调压，则弹簧刚度必然过大，流量变化时，输出压力波动较大，阀的结构尺寸也将增大。为了克服这些缺点，可采用先导式减压阀。先导式减压阀的工作原理与直动式的基本相同。先导式减压阀所用的调压气体，是由小型的直动式减压阀供给的。若把小型直动式减压阀装在阀体内部，则称为内部先导式减压阀；若将小型直动式减压阀装在主阀体外部，则称为外部先导式减压阀。与直动式减压阀相比，增加了由喷嘴4、挡板3、固定节流孔9及气室B所组成的喷嘴挡板放大环节。当喷嘴与挡板之间的距离发生微小变化时，就会使B室中的压力发生根明显的变化，从而引起膜片10有较大的位移，去控制阀芯6的上下移动，使进气阀口8开大或关小、提高了对阀芯控制的灵敏度，即提高了稳压精度。
在主阀体外部还有一个小型直动式减压阀由它来控制主阀。此类阀适于通径在20mm以上，远距离(30m以内)、高处、危险处、调压困难的场合。
REXROTH溢流阀DBDS10K1X/100
R900424147 DBDS 10 K1X/100
R900424148 DBDS 10 K1X/100V
R900424149 DBDS 10 K1X/200
R900424150 DBDS 10 K1X/315
R900424151 DBDS 10 K1X/315V
R900424152 DBDS 10 K1X/400
R900424153 DBDS 10 K1X/50
R900424154 DBDS 10 K1X/50V
R900424155 DBDS 10 P1X/100
R900424156 DBDS 10 P1X/100V
R900424157 DBDS 10 P1X/200
R900424158 DBDS 10 P1X/315
R900424159 DBDS 10 P1X/315V
R900424161 DBDH 8 G1X/200
R900424162 DBDS 15 G1X/100
R900424163 DBDS 15 G1X/200
R900424164 DBDS 15 G1X/200V
R900424165 DBDS 15 G1X/315
R900424166 DBDS 15 G1X/400
R900424167 DBDS 15 G1X/50
R900424170 DBDS 20 G1X/100
R900424171 DBDS 20 G1X/100V
R900424172 DBDS 20 G1X/200
R900424173 DBDS 20 G1X/200V
R900424174 DBDS 20 G1X/315
R900424175 DBDS 20 G1X/400
R900424176 DBDA 10 G1X/315
R900424177 DBDA 6 G1X/50
R900424178 DBDH 10 G1X/200
R900424179 DBDH 10 G1X/400
R900424180 DBDH 10 G1X/50
R900424182 DBDH 15 G1X/50
R900424183 DBDH 10 K1X/315
R900424184 DBDH 10 K1X/400
R900424185 DBDH 10 K1X/50
R900424186 DBDH 10 P1X/200
R900424187 DBDH 10 P1X/315
R900424188 DBDH 10 G1X/100
R900424189 DBDH 10 G1X/315
R900424190 DBDH 10 K1X/200
R900424191 DBDH 15 G1X/100
R900424193 DBDH 30 K1X/50
R900424195 DBDH 6 G1X/100
R900424196 DBDH 6 G1X/200
R900424197 DBDH 6 G1X/315
R900424198 DBDH 6 G1X/50
R900424199 DBDH 6 K1X/100
R900424200 DBDH 6 K1X/200
R900424201 DBDH 6 K1X/315
R900424202 DBDH 6 K1X/400
R900424203 DBDS 20 K1X/400
R900424204 DBDS 20 K1X/400V
R900424205 DBDS 20 K1X/50
R900424227 G 158/10
R900424237 DBDH 30 G1X/100
R900424241 DBDH 30 K1X/100
R900424246 DBDH 6 P1X/100
R900424260 DBDS 30 G1X/200V
R900424261 DBDS 30 G1X/315
R900424262 DBDS 30 G1X/50
R900424263 DBDS 25 G1X/100
R900424264 DBDS 25 G1X/200
R900424265 DBDS 25 G1X/315
R900424266 DBDH 6 P1X/315
R900424267 DBDS 20 K1X/100
R900424268 DBDS 20 K1X/100V
R900424269 DBDS 20 K1X/200
R900424270 DBDS 20 K1X/200V
R900424271 DBDS 20 K1X/315
R900424272 DBDS 20 P1X/50
R900424273 DBDS 20 K1X/50V
R900424274 DBDS 20 P1X/100
R900424276 DBDS 20 G1X/50
R900424277 DBDS 20 P1X/200
R900424278 DBDS 20 P1X/315
R900424279 DBDS 20 P1X/400
R900424280 DBDS 25 G1X/50
R900424281 DBDS 30 G1X/200
R900424282 DBDS 30 K1X/50
R900424283 DBDS 30 K1X/315V
R900424284 DBDS 30 K1X/100
R900424285 DBDS 30 K1X/100V
R900424286 DBDS 30 K1X/200
R900424287 DBDS 30 K1X/200V
R900424288 DBDS 30 K1X/315
R900424293 DR 6 DP2-5X/25Y/12
R900424294 ZDR 6 DA1-4X/150Y/12
R900424303 F 10 K3-2X/10L
R900424321 DBDS 6 K1X/200V
R900424326 FMH 30 G24-1X/O
R900424329 FMR 10 P34-1X/O
R900424331 FMR 10 P44-1X/O
R900424333 FMR 10 P64-1X/O
R900424339 MDA 30 EP250
R900424348 DBDH 6 G1X/400
R900424371 ZDR 6 DA3-4X/210Y
R900424379 G 115/01
R900424384 G 137/01
R900424386 G 139/01
R900424392 G 151/01
R900424395 G 153/01
R900424396 G 154/01
R900424398 G 154/08
R900424399 G 156/01
R900424402 G 157/01
R900424403 G 157/02
R900424410 G 172/01 (G3/4)
R900424411 G 172/02
R900424413 G 174/01
R900424414 G 174/02
R900424433 G 279/01
R900424437 G 280/01
R900424440 G 281/01
R900424442 G 282/01
R900424444 G 292/01
R900424447 G 341/01
R900424448 G 342/01
R900424453 G 44/01
R900424455 G 45/01
R900424457 G 66/01
R900424460 G 67/01
R900424464 G 96/01
R900424465 G 91/01
R900424495 HED 1 OA4X/100L220
R900424503 DR 6 DP3-5X/210YM W5
R900424537 ZDB 10 VA2-4X/100V
R900424559 ZDB 10 VP1-4X/200
R900424579 MK 10 G1X/V
R900424598 MSA 20 EP100V
R900424620 ZDR 10 DA2-5X/25YV
R900424621 ZDR 6 DA7-4X/150Y
R900424673 2FRM 10-3X/10Q
R900424715 HED 1 OA4X/50L24
R900424732 2FRM 10-3X/5Q
R900424734 DBDH 6 K1X/50
R900424737 Z4S 5-1X/
R900424738 DBDS 10 G1X/100
R900424739 DBDS 10 G1X/100V
R900424741 DBDS 10 G1X/200V
R900424742 DBDS 10 G1X/315
R900424743 DBDS 10 G1X/315V
R900424744 DBDS 10 G1X/400
R900424745 DBDS 10 G1X/50
R900424750 SF 40 A0-1-1X/
R900424755 G 305/01
R900424813 3FRM 10-2X/50LD SO236
R900424850 4WH 6 E5X//V
R900424884 2FRH 10-3X/50LB
R900424886 2FRH 10-3X/16L
R900424887 2FRM 10-3X/10L
R900424898 2FRM 10-3X/50LBV
R900424902 2FRM 16-3X/160LB
R900424903 2FRM 16-3X/60LB
R900424904 2FRM 16-3X/60LV
R900424905 2FRM 16-3X/100L
R900424906 2FRM 16-3X/160L
R900425076 DBDA 6 G1X/100
R900425080 DBDA 6 K1X/100
R900425081 DBDA 6 K1X/200
R900425082 DBDA 6 K1X/315
R900425083 DBDA 6 K1X/50
R900425084 DBDA 6 P1X/100
R900425085 DBDA 8 G1X/50
R900425159 DBDA 10 G1X/400
R900425161 DBDA 10 K1X/100
R900425162 DBDA 10 K1X/200
R900425163 DBDA 10 K1X/200V
R900425164 DBDA 10 K1X/315
R900425165 DBDA 10 K1X/400
R900425176 G 300/01
R900425556 ZDR 6 DP2-4X/10YM SO21
R900425582 DZ 6 DP7-5X/210
R900425616 SL 10 PA1-4X/J
R900425646 DB 20 K1-1X/50XYU
R900425647 Z2DB 6 VC2-4X/315
R900425648 Z2DB 6 VC2-4X/100
R900425660 DBDS 10 P1X/400
R900425661 DBDS 10 P1X/50
R900425666 SCA 16 BZ2X/M
R900425674 HED 1 KA4X/100/12
R900425681 ZDB 10 VB2-4X/315
R900425683 ZDB 6 VA3-4X/50
R900425690 DB 6 K3-4X/315Y
R900425698 ZDB 6 VP2-4X/315 SO11
R900425699 ZDB 6 VP2-4X/200 SO11
R900425700 Z2DB 10 VC2-4X/100V
R900425719 DR 6 DP2-5X/75YV
R900425723 ZDB 10 VB2-4X/50V
R900425745 DR 6 DP1-5X/150YM W74
R900425800 DZ 6 DP2-5X/25YM
R900425809 DZ 6 DP2-5X/75V
R900425810 ZDB 6 VP2-4X/315V SO11
R900425825 DZ 6 DP2-5X/25
R900425850 ZDR 10 VA6-3X/50Y
R900425879 ZDB 6 VP3-4X/200V
R900425901 Z4S 16-2X/
R900425914 Z2DB 6 VD2-4X/315JV
R900425927 ZDB 10 VP2-4X/315
R900425928 Z2DB 10 VD2-4X/100
R900425933 ZDB 10 VP2-4X/200V SO11
R900425957 ZDR 6 DB3-4X/25YM
R900425958 ZDB 10 VA3-4X/50
R900425966 DBDA 10 K1X/50
R900425968 DBDA 10 P1X/200
R900425998 DB 6 K2-4X/50Y
R900426026 DBDH 10 G1X/25
R900426089 SF 50 A0-1-1X/
R900426100 Z2DB 10 VD2-4X/200V SO30
R900426113 HED 1 OA4X/350L220
R900426158 DBDH 8 G1X/50
R900426183 ZDR 6 DP1-4X/210YMV
R900426202 ZDR 10 DB2-5X/25YM
R900426313 ZDB 6 VA1-4X/200
R900426326 LFA 32 QR3-6X/CA40D
R900426329 ZDB 6 VA2-4X/200
R900426335 DB 20-1-4X/315U W65
R900426477 DBDA 6 G1X/200
R900426478 DBDA 6 G1X/315
R900426646 SV 10 GB1-4X//12
R900426653 DRE 4 K-3X/18G12-14K4M
R900426660 DZ 6 DP2-5X/150V
R900426666 DB 6 K3-4X/100Y
R900426667 Z2DB 10 VC3-4X/200V
R900426703 ZDR 10 DA3-5X/75YM
R900426730 ZDB 6 VA2-4X/100V SO2
R900426752 Z2FS 6-3-4X/1Q
R900426835 DBDA 10 K1X/630
R900426851 Z2FS 16-3X/S SO3
R900426862 4WS2EM10-4X/75B3T315CDV
R900426897 DBDH 6 G1X/25
R900426898 DBDS 15 G1X/25
R900426900 DBDR 10 G1X/315
R900426901 DBDH 10 P1X/100
R900426905 DBDS 10 P1X/25
R900426988 DBDH 6 K1X/25V
R900426993 ZDR 6 DA7-4X/75YM
R900426995 ZDR 6 DB7-4X/150YM
R900427017 ZDR 6 DA2-4X/210Y SO43
R900427037 LT 10 MKA-2X/100/19M SO1
R900427180 F 15 P3-2X/50L
R900427185 2FRH 10-3X/50L
R900427189 FMH 20 P34-1X/O
R900427242 DBDH 6 P1X/200
R900427243 DBDS 30 G1X/25
R900427244 DBDS 10 P1X/50V
R900427246 DBDA 8 G1X/200
REXROTH溢流阀DBDS10K1X/100
按作用原理分
按作用原理分类，可以分为直接作用式安全阀和非直接作用式安全阀。
1.直接作用式安全阀
直接作用式安全阀是在工作介质的直接作用下开启的，即依靠工作介质压力的作用克服加载机构加于阀瓣的机械载荷，使阀门开启。这种安全阀具有结构简单，动作迅速，可靠性好等优点。但因为依靠结构加载，其载荷大小受到限制，不能用于高压、大口径的场合。
2.非直接作用式安全阀
这类安全阀可以分为先导式安全阀、带动力辅助装置的安全阀。
先导式安全阀是依靠从导阀排出的介质来驱动或控制的。而导阀本身是一个直接作用式安全阀，有时也采用其他形式的阀门。先导式安全阀适用于高压、大口径的场合。先导式安全阀的主阀还可以设计成依靠工作介质来密封的形式，或者可以对阀瓣施加比直接作用式安全阀大得多的机械载荷，因而具有良好的密封性能。同时，它的动作很少受背压的影响。这种安全阀的缺点在于它的可靠性同主阀和导阀有关，动作不如直接作用式安全阀那样迅速、可靠，而且结构较复杂。
带动力辅助装置的安全阀是借助于一个动力辅助装置，在低于正常开启压力的情况下强制安全阀开启。这种安全阀适用于开启压力很接近于工作压力的场合，或需定期开启安全阀以进行检查或吹除粘着、冻结的介质的场合。同时，也提供了一种在紧急情况下强制开启安全阀的手段。
REXROTH溢流阀DBDS10K1X/100
R900424147 DBDS10K1X/100
R901193525 DBDS10K1X/100-050
R900764117 DBDS10K1X/100-055
R901189470 DBDS10K1X/100-060
R900786769 DBDS10K1X/100-065
R900227870 DBDS10K1X/100-070
R900053798 DBDS10K1X/100-075
R900757327 DBDS10K1X/100-080
R900051241 DBDS10K1X/100-095
R900075893 DBDS10K1X/100-095V
R901280121 DBDS10K1X/100-100V
R901002674 DBDS10K1X/100-35
R901156696 DBDS10K1X/100-40
R900366546 DBDS10K1X/1000SO99
R900572359 DBDS10K1X/100B
R900426139 DBDS10K1X/100B
R900785303 DBDS10K1X/100D
R901241054 DBDS10K1X/100DSO157
R900769364 DBDS10K1X/100E
R900403980 DBDS10K1X/100J
R900020374 DBDS10K1X/100JB
R900785307 DBDS10K1X/100JD
R900769533 DBDS10K1X/100JE
R900396880 DBDS10K1X/100JV
R901307252 DBDS10K1X/100P025
R901167573 DBDS10K1X/100P050
R901036981 DBDS10K1X/100P060
R901307245 DBDS10K1X/100P065
R901166270 DBDS10K1X/100P075
R901302122 DBDS10K1X/100P075SO157
R900213927 DBDS10K1X/100P080
R901409226 DBDS10K1X/100P50V
R900424148 DBDS10K1X/100V
R900572360 DBDS10K1X/100VB
R900785309 DBDS10K1X/100VD
R900769576 DBDS10K1X/100VE
R900572361 DBDS10K1X/105B
R900785310 DBDS10K1X/105D
R900778385 DBDS10K1X/105E
R900433735 DBDS10K1X/110B
R900785311 DBDS10K1X/110D
R901386801 DBDS10K1X/110DSO157
R900773199 DBDS10K1X/110E
R900386687 DBDS10K1X/110JB
R901387262 DBDS10K1X/110JD
R900435086 DBDS10K1X/110VB
R901386418 DBDS10K1X/110VD
R900051913 DBDS10K1X/115B
R901219387 DBDS10K1X/115VD
R901218920 DBDS10K1X/115VE
R900572460 DBDS10K1X/120B
R900785312 DBDS10K1X/120D
R900774524 DBDS10K1X/120E
R900214507 DBDS10K1X/120VB
R900785313 DBDS10K1X/120VD
R900772486 DBDS10K1X/120VE
R900573120 DBDS10K1X/125B
R901083714 DBDS10K1X/125D
R901083487 DBDS10K1X/125E
R900414457 DBDS10K1X/130B
R900785314 DBDS10K1X/130D
R900778127 DBDS10K1X/130E
R900200017 DBDS10K1X/130VB
R900785315 DBDS10K1X/130VD
R900772457 DBDS10K1X/130VE
R900572461 DBDS10K1X/135B
R901185489 DBDS10K1X/135D
R901185486 DBDS10K1X/135E
R901000649 DBDS10K1X/135JD
R901000648 DBDS10K1X/135JE
R901360823 DBDS10K1X/135VD
R901360778 DBDS10K1X/135VE
R900572462 DBDS10K1X/140B
R900785316 DBDS10K1X/140D
R900768630 DBDS10K1X/140E
R900228512 DBDS10K1X/140MTB
R900572463 DBDS10K1X/140VB
R900785317 DBDS10K1X/140VD
R900772539 DBDS10K1X/140VE
R900572464 DBDS10K1X/145B
R900572465 DBDS10K1X/150B
R900785567 DBDS10K1X/150D
R900769405 DBDS10K1X/150E
R900572466 DBDS10K1X/150VB
R900785568 DBDS10K1X/150VD
R900769624 DBDS10K1X/150VE
R900573122 DBDS10K1X/155B
R900572467 DBDS10K1X/155VB
R901104603 DBDS10K1X/155VD
R901104572 DBDS10K1X/155VE
R900572468 DBDS10K1X/160B
R900785570 DBDS10K1X/160D
R900769414 DBDS10K1X/160E
R901000477 DBDS10K1X/160JD
R901000475 DBDS10K1X/160JE
R900572469 DBDS10K1X/160VB
R900785569 DBDS10K1X/160VD
R900772540 DBDS10K1X/160VE
R900225716 DBDS10K1X/165B
R901051625 DBDS10K1X/165D
R901051411 DBDS10K1X/165E
R901243581 DBDS10K1X/165VD
R901379555 DBDS10K1X/165VE
R900430363 DBDS10K1X/170
R900425047 DBDS10K1X/170B
R900785571 DBDS10K1X/170D
R901081488 DBDS10K1X/170DSO157
R900773193 DBDS10K1X/170E
R901183632 DBDS10K1X/170JD
R901183367 DBDS10K1X/170JE
R900466651 DBDS10K1X/170VB
R900785572 DBDS10K1X/170VD
R900772508 DBDS10K1X/170VE
R900572550 DBDS10K1X/175B
R900785573 DBDS10K1X/175D
R900769515 DBDS10K1X/175E
R901297334 DBDS10K1X/175VD
R901297331 DBDS10K1X/175VE
R900572551 DBDS10K1X/180B
R900785574 DBDS10K1X/180D
R900769542 DBDS10K1X/180E
R901086005 DBDS10K1X/180JD
R901085795 DBDS10K1X/180JE
R900572552 DBDS10K1X/180VB
R900785577 DBDS10K1X/180VD
R900772544 DBDS10K1X/180VE
R900572553 DBDS10K1X/185B
R900572553 DBDS10K1X/185B
R901008945 DBDS10K1X/185D
R901008850 DBDS10K1X/185E
R900572554 DBDS10K1X/190B
R900785578 DBDS10K1X/190D
R900774433 DBDS10K1X/190E
R901279635 DBDS10K1X/190JD
R901279545 DBDS10K1X/190JE
R900246053 DBDS10K1X/190VB
R900572555 DBDS10K1X/195B
R901428761 DBDS10K1X/195E
R900424149 DBDS10K1X/200
R901260776 DBDS10K1X/200-050
R900703684 DBDS10K1X/200-100
R900731414 DBDS10K1X/200-110
R900776495 DBDS10K1X/200-120
R900075904 DBDS10K1X/200-125
R900086782 DBDS10K1X/200-130
R900075910 DBDS10K1X/200-130V
R900739769 DBDS10K1X/200-135
R900227747 DBDS10K1X/200-140
R901412261 DBDS10K1X/200-140SO157
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