REXROTH液控单向阀SV30PA1-45是上海韦米机电设备有限公司主营产品之一,销售热线: ;联系人:雷青;业务QQ:---;手机微信: ;邮箱 ;传真 ;原厂直销,质量保障,现货库存,价格优惠!
液控单向阀是依靠控制流体压力,可以使单向阀反向流通的阀。这种阀在煤矿机械的液压支护设备中占有较重要的地位。液控单向阀与普通单向阀不同之处是多了一个控制油路K,当控制油路未接通压力油液时,液控单向阀就象普通单向阀一样工作,压力油只从进油口流向出油口,不能反向流动。当控制油路油控制压力输入时,活塞顶杆在压力油作用下向右移动,用顶杆顶开单向阀,使进出油口接通。若出油口大于进油口就能使油液反向流动。
液控单向阀是方向控制阀中的一种。具体分类:
方向控制阀按其在液压系统中的功能分为单向阀和换向阀两大类。
单向阀在液压传动中有普通单向阀和液控单向阀。
(1)保持压力。
滑阀式换向阀都有间隙泄漏现象,只能短时间保压。当有保压要求时,可在油路上加一个液控单向阀,利用锥阀关闭的严密性,使油路长时间保压。
(2)液压缸的“支承”。
在立式液压缸中,由于滑阀和管的泄漏,在活塞和活塞杆的重力下,可能引起活塞和活塞杆下滑。将液控单向阀接于液压缸下腔的油路,则可防止液压缸活塞和滑块等活动部分下滑。
(3)实现液压缸锁紧。
当换向阀处于中位时,两个液控单向阀关闭,可严密封闭液压缸两腔的油液,这时活塞就不能因外力作用而产生移动。
(4)大流量排油。
液压缸两腔的有效工作面积相差很大。在活塞退回时,液压缸右腔排油量骤然增大,此时若采用小流量的滑阀,会产生节流作用,限制活塞的后退速度;若加设液控单向阀,在液压缸活塞后退时,控制压力油将液控单向阀打开,便可以顺利地将右腔油液排出。
(5)作充油阀。
立式液压缸的活塞在高速下降过程中,因高压油和自重的作用,致使下降迅速,产生吸空和负压,必须增设补油装置。液控单向阀作为充油阀使用,以完成补油功能。
(6)组合成换向阀。
在设计液压回路时,有时可将液控单向阀组合成换向阀使用。例如:用两个液控单向阀和一个单向阀并联(单向阀居中),则相当于一个三位三通换向阀的换向回路。需要指出,控制压力油油口不工作时,应使其通回油箱,否则控制活塞难以复位,单向阀反向不能截止液流。
REXROTH液控单向阀SV30PA1-45
R900587558 SV30PA1-4X/
R900987806 SV30PA1-4X/J
R978901569 SV30PA1-4X/SO43A-1477
R900500892 SV30PA1-4X/V
R900599456 SV30PA2-4X/
R900502112 SV30PA2-4X/V
R983054851 SV30PA3-4XIN010
R900599890 SV30PA3-4X/
R901137253 SV30PA3-4X/V
R978917483 SV30PA3-4X/V
R900505554 SV30PA4-4X/
R900525829 SV30PA4-4X/V
R900502240 SV30PB1-4X/
R901135580 SV30PB1-4X/V
R978868962 SV30PB1-4X/V
R900599647 SV30PB2-4X/
R900053091 SV30PB2-4X/V
R900515645 SV30PB3-4X/
R901426830 SV30PB3-4X/QMG24
R900572116 SV30PB3-4X/V
R900513203 SV30PB4-4X/
R983071279 SV30PB4-4X/IN010
R900049469 SV30PB4-4X//50
R900240914 SV30PB4-4X/V
R983040180 SV10GA1-4XIN010
R983030715 SV10GA1-4X/VIN010
R983040181 SV10GA2-4XIN010
R983040182 SV10GB1-4XIN010
R983040183 SV10GB3-4XIN010
R983040184 SV10PA1-4X/VIN010
R983040185 SV10PA2-4XIN010
R983030716 SV10PA3-4XIN010
R983040186 SV10PB1-4X/IN010
R983040187 SV10PB1-4X/VIN010
R983040188 SV10PB2-4XIN010
R988002174 SV10PA1-4X/
R983040189 SV20GA1-4XIN010
R983040190 SV20GA1-4X/VIN010
R983040191 SV20GA2-4XIN010
R983040192 SV20GB1-4X/VIN010
R983040193 SV20PA1-4XIN010
R983040194 SV20PA1-4X/VIN010
R983040195 SV20PA2-4XIN010
R983063146 SV20PA2-4X/VIN010
R983040196 SV20PA3-4XIN010
R983040197 SV20PB1-4XIN010
R983040198 SV20PB1-4X/VIN010
R983040199 SV20PB2-4XIN010
R983030714 SV20PB4-4X/VIN010
R988002176 SV20PA1-4X/
R988002177 SV20PB1-4X/
R983040200 SV30GA1-4XIN010
R983040201 SV30PA1-4XIN010
R983040202 SV30PA1-4X/VIN010
R983040203 SV30PA2-4XIN010
R983049151 SV30PA3-4X/VIN010
R983040204 SV30PB1-4XIN010
R983040205 SV30PB1-4X/VIN010
R983040206 SV30PB2-4XIN010
R983040207 SV30PB3-4X/IN010
R988002178 SV30PA1-4X/
R983064829 SV30GB3-4X/IN010
力士乐REXROTH液控单向阀SL 6
R901232640 SL6PA1-6X/
R900565317 SL6PA1-6X/SO310
R901232641 SL6PA1-6X/V
R901427400 SL6PA1-6X/VJ3
R901439613 SL6PA2-6X/
R901342139 SL6PA2-6X/J50
R901432052 SL6PA2-6X/VJ3
R901387396 SL6PA3-6X/
R901429564 SL6PA3-6X/VJ3
R900491117 SL6PB1-6X/
R900918112 SL6PB1-6X/J
R901256332 SL6PB1-6X/J50
R900928043 SL6PB1-6X/JV
R900594742 SL6PB1-6X/V
R901361958 SL6PB1-6X=
R900590409 SL6PB2-6X/
R900523244 SL6PB2-6X/V
R900590651 SL6PB3-6X/
R900567192 SL6PB3-6X/V
R900597726 SL6PB4-6X/
R901080403 SL6PB4-6X/JV
R900934694 SL6PB4-6X/V
力士乐REXROTH液控单向阀SL 10...32
R900483370S L10GA1-4X/
R900448378S L10GA1-4X//12
R900429093S L10GA1-4X//5
R900457618S L10GA1-4X/J
R900599838S L10GA1-4X/SO67
R900450160S L10GA1-4X/V
R983052991S L10GA1-4X/VIN010
R900062179S L10GA1-4X/V/12
R900450776S L10GA2-4X/
R900521462S L10GA2-4X//12
R900502670S L10GA2-4X/V
R901363026S L10GA2-4X=
R900454520S L10GA3-4X/
R900591065S L10GA3-4X/V
R900445826S L10GA4-4X/
R900718605S L10GA4-4X/V
R983065084S L10GA4–4X/VIN010
R900451135S L10GB1-4X/
R900507043S L10GB1-4X//12
R900220757S L10GB1-4X//5
R900580052S L10GB1-4X/V
R900582730S L10GB1-4X/V/12
R900474395S L10GB2-4X/
R900511048S L10GB2-4X/J
R900473900S L10GB2-4X/V
R900447726S L10GB3-4X/
R900520846S L10GB3-4X/J
R901426808S L10GB3-4X/QMG24
R900522041S L10GB3-4X/V
R900536395S L10GB4-4X/
R900550802S L10GB4-4X/V/12
R900483371S L10PA1-4X/
R988002099S L10PA1-4X/
R988004505S L10PA1-4X/
R900425616S L10PA1-4X/J
R901430218S L10PA1-4X/J3
R900207273S L10PA1-4X/JV
R900537478S L10PA1-4X/SO96
R900459576S L10PA1-4X/SO113
R900440205S L10PA1-4X/SO149
R900508232S L10PA1-4X/SO251
R900586402S L10PA1-4X/SO280
R900434337S L10PA1-4X/SO67
R900079747S L10PA1-4X/SO97
R900457388S L10PA1-4X/V
R900425580S L10PA1-4X/VSO113
R901402148S L10PA1-4X/VJ50
R901406522S L10PA1-4X=VJ50
R900442260S L10PA2-4X/
R901031296S L10PA2-4X/SO96
R900599830S L10PA2-4X/SO251
R900586396S L10PA2-4X/V
R900443418S L10PA3-4X/
R901341937S L10PA3-4X/J50
R900504957S L10PA3-4X/V
R901429658S L10PA3-4X/VJ3
R900419510S L10PA4-4X/
R900020963S L10PA4-4X/J
R901141208S L10PA4-4X/JV
R900403579S L10PA4-4X/V
R901430215S L10PA4-4X/VJ3
R900443419S L10PB1-4X/
R900058130S L10PB1-4X/SO313
R900403795S L10PB1-4X/J
R900532365S L10PB1-4X/SO257
R900449987S L10PB1-4X/SO96
R900079790S L10PB1-4X/SO97
R900481121S L10PB1-4X/SO97
R900406641S L10PB1-4X/V
R900457386S L10PB2-4X/
R900514645S L10PB2-4X/V
R900438637S L10PB3-4X/
R901426805S L10PB3-4X/QMG24
R901426828S L10PB3-4X/QMG24V
R901121247S L10PB3-4X/V
R901430220S L10PB3-4X/VJ3
R901301264S L10PB3-4X/VJ50
R900451335S L10PB4-4X/
R900527575S L10PB4-4X/V
R983040138S L10GA1-4XIN010
R983040139S L10GA2-4XIN010
R983040140S L10GA3-4X/IN010
R983040141S L10GB1-4XIN010
R983040142S L10GB24XIN010
R983040143S L10GB3-4XIN010
R983040144S L10GB4-4X/IN010
R983040145S L10PA1-4XIN010
R983040146S L10PA1-4X/VIN010
R983040147S L10PA2-4XIN010
R983040148S L10PA2-4X/VIN010
R983040149S L10PA3-4XIN010
R983040150S L10PA4-4XIN010
R983040151S L10PB1-4XIN010
R983040152S L10PB1-4X/VIN010
R983040153S L10PB2-4XIN010
R983040154S L10PB3-4XIN010
R983030717S L10PB4-4X/IN010
R983030717S L10PB4-4X/IN010
R978014265S L10GA2-4X/V/12
R978878966S L10GB2-4X/12
REXROTH液控单向阀SV30PA1-45
方向控制按用途分为单向阀和换向阀。单向阀:只允许流体在管道中单向接通,反向即切断。换向阀:改变不同管路间的通、断关系。根据阀芯在阀体中的工作位置数分两位、三位等;根据所控制的通道数分两通、三通、四通、五通等;根据阀芯驱动方式分手动,机动,电动,液动等。图2为三位四通换向阀的工作原理。P 为供油口,O 为回油口,A 、B 是通向执行元件的输出口。当阀芯处於中位时,全部油口切断,执行元件不动;当阀芯移到右位时,P 与A 通,B 与O 通;当阀芯移到左位时,P 与B 通,A 与O 通。这样,执行元件就能作正、反向运动。
REXROTH液控单向阀SV30PA1-45
力士乐REXROTH液控单向阀SV 6
R901320289 SV6PA1-6X/
R901429568 SV6PA1-6X/V
R901407741 SV6PA2-6X/
R901394118 SV6PA3-6X/J50
R900494086 SV6PB1-6X/
R900516740 SV6PB1-6X/J
R900593008 SV6PB1-6X/V
R900411995 SV6PB1-6X/W64
R900589253 SV6PB2-6X/
R901353602 SV6PB2-6X/J50
R900516497 SV6PB2-6X/V
R900598166 SV6PB3-6X/
R900597481 SV6PB3-6X/V
R900586840 SV6PB4-6X/
R900247185 SV6PB4-6X/V
力士乐液控单向阀SV 10...32
R900483368 SV10GA1-4X/
R900481097 SV10GA1-4X//12
R900426680 SV10GA1-4X//5
R900586980 SV10GA1-4X/J
R901430216 SV10GA1-4X/J3
R900469894 SV10GA1-4X/SO43
R900465776 SV10GA1-4X/V
R900462117 SV10GA1-4X/V/12
R900437841 SV10GA1-4X/V/5
R900072367 SV10GA1-4X==PL
R900455015 SV10GA2-4X/
R900222361 SV10GA2-4X//12
R900481120 SV10GA2-4X/V
R900477368 SV10GA2-4X/V/12
R900402853 SV10GA3-4X/
R900514060 SV10GA3-4X//12
R900519481 SV10GA3-4X/J
R900032320 SV10GA3-4X/V
R900596177 SV10GA4-4X/
R978905884 SV10GA4-4X/12
R900511928 SV10GA4-4X/SO287
R900509845 SV10GA4-4X/V
R983073301 SV10GA4-4X/VIN010
R983070087 SV10GB2-4X/IN010
R900453511 SV10GB1-4X/
R900426646 SV10GB1-4X//12
R900522959 SV10GB1-4X/J
R900440206 SV10GB1-4X/SO267
R900428704 SV10GB1-4X/SO43
R900442169 SV10GB1-4X/V
R978856677 SV10GB1-4X/V/12
R901328265 SV10GB1-4X=
R900464954 SV10GB2-4X/
R978867297 SV10GB2-4X/12
R978867297 SV10GB2-4X/12
R900033054 SV10GB2-4X/B08
R900509453 SV10GB2-4X/V
R900403533 SV10GB3-4X/
R900566670 SV10GB3-4X//12
R901426827 SV10GB3-4X/QMG24
R900455086 SV10GB4-4X/
R978864037 SV10GB4-4X/12
R900509610 SV10GB4-4X/V
R900509604 SV10GB4-4X/VSO266
R900504017 SV10KA1-4X/V
R983030709 SV10PA1-4XIN010
R900483369 SV10PA1-4X/
R900389885 SV10PA1-4X//5
R900082425 SV10PA1-4X//50
R900438933 SV10PA1-4X/J
R901436576 SV10PA1-4X/J3
R900533905 SV10PA1-4X/MK
R900463364 SV10PA1-4X/V
R978875670 SV10PA1-4X/VSO43A-1227
R900020393 SV10PA1-4X/V/12
R901248020 SV10PA1-4X=
R900451042 SV10PA2-4X/
R900591533 SV10PA2-4X/J
R901164422 SV10PA2-4X/J3
R900403578 SV10PA2-4X/V
R983046319 SV10PA2-4X/V
R900459915 SV10PA3-4X/
R900517363 SV10PA3-4X/J
R901440742 SV10PA3-4X/J3
R900466324 SV10PA3-4X/V
R983069998 SV10PA3-4X/VIN010
R900582637 SV10PA4-4X/
R983062599 SV10PA4-4X/IN010
R900058707 SV10PA4-4X/SO287
R901114401 SV10PA4-4X/V
R900467724 SV10PB1-4X/
R900754246 SV10PB1-4X//12
R900506962 SV10PB1-4X/MIL15
R900580732 SV10PB1-4X/SO97
R900423202 SV10PB1-4X/V
R983061438 SV10PB24X/VIN10
R900403672 SV10PB2-4X/
R900049468 SV10PB2-4X//50
R900582578 SV10PB2-4X/V
R900464707 SV10PB3-4X/
R983067837 SV10PB3-4X/IN010
R901426812 SV10PB3-4X/QMG24
R901098930 SV10PB3-4X/V
R901254058 SV10PB3-4X/VSO325
R900505678 SV10PB4-4X/
R900500295 SV10PB4-4X/V
R900587549 SV15GA1-4X/
R900503632 SV15GA1-4X//12
R900533195 SV15GA1-4X/J
R900599609 SV15GA1-4X/SO246
R900228258 SV15GA1-4X/SO67
R900500841 SV15GA1-4X/V
R900532575 SV15GA1-4X/V/12
R900501980 SV15GA2-4X/
R900029494 SV15GA2-4X//12
R900501010 SV15GA2-4X/V
R978865277 SV15GA2-4X/V/12
R900502709 SV15GA3-4X/
R900029335 SV15GA3-4X//12
R900035312 SV15GA3-4X/V
R900203833 SV15GA4-4X/
R901019898 SV15GA4-4X//12
R978914280 SV15GA4-4X/12
R900224092 SV15GA4-4X/V
R900501333 SV15GB1-4X/
R900074608 SV15GB1-4X//12
R901007605 SV15GB1-4X/V
R901013993 SV15GB1-4X/V/12
R900599814 SV15GB2-4X/
R900519888 SV15GB2-4X/J
R900509516 SV15GB2-4X/V
R900520859 SV15GB3-4X/
R900705091 SV15GB3-4X//12
R901050475 SV15GB3-4X/V
R900503588 SV15GB4-4X/
R900220496 SV15GB4-4X//12
R900080297 SV15GB4-4X/V
R900587550 SV20GA1-4X/
R900508425 SV20GA1-4X//12
R900510860 SV20GA1-4X//5
R900500292 SV20GA1-4X/V
R900518477 SV20GA1-4X/V/12
R900072649 SV20GA1-4X=
R900500216 SV20GA2-4X/
R900518319 SV20GA2-4X//12
R900053412 SV20GA2-4X/V
R900599639 SV20GA3-4X/
R900203988 SV20GA3-4X//12
R900511197 SV20GA4-4X/
R900511371 SV20GA4-4X/V
R900598553 SV20GB1-4X/
R900074693 SV20GB1-4X//12
R900528413 SV20GB1-4X/V
R901000277 SV20GB1-4X/V/12
R978872250 SV20GB1-4X/V/12
R983061437 SV20GB24X/VIN10
R900599506 SV20GB2-4X/
R983068720 SV20GB2-4X/IN010
R900059115 SV20GB2-4X/J
R901318587 SV20GB2-4X/V
R900502808 SV20GB3-4X/
R900059482 SV20GB3-4X//12
R900020921 SV20GB3-4X/SO295
R900500842 SV20GB4-4X/
R900065256 SV20GB4-4X/V
R900587557 SV20PA1-4X/
R900077864 SV20PA1-4X/J
R901430270 SV20PA1-4X/J3
R978897849 SV20PA1-4X/SO43A-1430
R900500094 SV20PA1-4X/V
R900599535 SV20PA2-4X/
R901170055 SV20PA2-4X/J3
R900566627 SV20PA2-4X/V
R900598342 SV20PA3-4X/
R900502113 SV20PA3-4X/V
R900532463 SV20PA4-4X/
R983061207 SV20PA4-4X/IN010
R900987025 SV20PA4-4X/V
R900501701 SV20PB1-4X/
R900021845 SV20PB1-4X/V
R900501802 SV20PB2-4X/
R900517582 SV20PB2-4X/V
R900501468 SV20PB3-4X/
R983040179 SV20PB3-4X/IN010
R901426816 SV20PB3-4X/QMG24
R900507740 SV20PB4-4X/
R901444120 SV20PB4-4X/V
R900587551 SV25GA1-4X/
R900502332 SV25GA1-4X//12
R900507929 SV25GA1-4X/V
R900561890 SV25GA1-4X/V/12
R901291634 SV25GA1-4X=
R900500951 SV25GA2-4X/
R900505995 SV25GA2-4X/V
R900525172 SV25GA3-4X/
R900514600 SV25GA4-4X/
R978912051 SV25GA4-4X/12
R900516761 SV25GB1-4X/
R978892121 SV25GB1-4X/12
R900507224 SV25GB1-4X/V
R978002992 SV25GB1-4X/V/12
R900522383 SV25GB2-4X/
R900761841 SV25GB2-4X//12
R901059543 SV25GB2-4X/V
R900500483 SV25GB3-4X/
R901272192 SV25GB3-4X/6UVSO311
R901190863 SV25GB3-4X/V
R900587552 SV30GA1-4X/
R900517536 SV30GA1-4X//12
R900031560 SV30GA1-4X//5
R900527645 SV30GA1-4X/V
R900225857 SV30GA1-4X/V/12
R900501151 SV30GA2-4X/
R983059835 SV30GA2-4X/IN010
R900528711 SV30GA2-4X//12
R900520649 SV30GA2-4X/V
R978906849 SV30GA2-4X/V/12
R900500091 SV30GA3-4X/
R900573238 SV30GA4-4X/
R978910038 SV30GA4-4X/V/12
R900599743 SV30GB1-4X/
R983066849 SV30GB1-4X/IN010
R900560697 SV30GB1-4X//12
R901273399 SV30GB1-4X/V
R900504124 SV30GB2-4X/
R978899303 SV30GB2-4X/12
R900224095 SV30GB2-4X/V
R978903236 SV30GB2-4X/V/12
R900571302 SV30GB3-4X/
R900515510 SV30GB4-4X/
REXROTH液控单向阀SV30PA1-45