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加工定制:否 材质:铸铁
品牌:力士乐 适用范围:液压
适用介质:油品 适用温度:--(℃)
公称压力:31.5(MPa) 公称通径:16(mm) 安装形式:板式
工作温度:常温 类型(通道位置):四通、五通 连接形式:板式
零部件及配件:配件 流动方向:换向 驱动方式:手动
形态:柱塞式 压力环境:常压 主体材料
DR6DP1-5X/150YMW74 DR6DP1-5X/25YM/12 DR6DP1-5X/150YMV/12 DR6DP1-5X/25YV DR6DP1-5X/75YMW37
DR6DP1-5X/75YMV DR6DP1-5X/25YM DR6DP1-5X/25YMV DR6DP1-5X/25Y DR6DP1-5X/210YM
DR6DP1-5X/210YMW5 DR6DP1-5X/25Y/12 DR6DP1-5X/210Y DR6DP1-5X/75Y DR6DP1-5X/75YV
DR6DP1-5X/150YM DR6DP1-5X/210YMV DR6DP1-5X/210YV DR6DP1-5X/75YMVW5 DR6DP1-5X/150YV
DR6DP1-5X/150YMV DR6DP1-5X/210Y/12 DR6DP1-5X/150YMV DR6DP1-5X/150Y DR6DP1-5X/75YM
DR6DP1-5X/210YMVW5 DR6DP1-53/75Y DR6DP1-53/25Y DR6DP1-53/150Y DR6DP1-53/75YM
DR6DP1-53/210YM DR6DP1-53/150YM
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广泛应用于钢铁、冶金、铝行业、石油化工、航天、船舶制造、煤炭、水泥、电力、汽车、工程机械、食品、药业、林业、纺织、皮革、造纸等行业领域减压阀的作用
减压阀的作用原理是靠阀内流道对水流的局部阻力降低水压,水压降的范围由连接阀瓣的薄膜或活塞两侧的进出口水压差自动调节。近年来又出现一些新型减压阀,如定比式减压阀。定比减压原理是利用阀体中浮动活塞的水压比控制,进出口端减压比与进出口侧活塞面积比成反比。这种减压阀工作平稳无振动;阀体内无弹簧,故无弹簧锈蚀、金属疲劳失效之虑;密封性能良好不渗漏,因而既减动压(水流动时)又减静压(流量为0时);特别是在减压的同时不影响水流量。
水流通过减压阀虽有很大的水头损失,但由于减少了水的浪费并使系统流量分布合理、改善了系统布局与工况,因此总体上讲仍是节能的。减压阀的每一档弹簧只在一定的出口压力范围内适用,超出范围应更换弹簧。在介质工作温度比较高的场合,一般选用先导活塞式减压阀或先导波纹管式减压阀。介质为空气或水(液体)的场合,一般宜选用直接作用薄膜式减压阀或先导薄膜式减压阀。介质为蒸汽的场合,宜选用先导活塞式减压阀或先导波纹管式减压阀。为了操作、调整和维修的方便,减压阀一般应安装在水平管道上。
减压阀 运行操作
1.要避免存留脏物、杂物进入减压阀减压保障系统。新建或者改造工程的减压系统管网,很可能遗留沙粒、麻丝、杂物。投运前,一般都应进行水冲洗,满足清洁要求后,最后装上减压阀和过滤器滤芯,这样才能避免杂物流入减压阀,杜绝减压阀卡芯现象。在系统进入工作后,保障减压系统的水流畅通与否,与设置在系统上的过滤器流通能力关系密切,如滤芯被杂物严重吸附,则会影响减压阀的工作,为此必需对过滤器进行定期检查,及时清除污秽。实践表明这项工作2至3个月必须进行一次,有些可调式(弹簧式、薄膜式)减压阀,其主阀或者导阀自身设置过滤器,同样需要定期拆洗滤芯。
2.1用1备的减压阀组应定期轮换工作。大部分高层建筑生活给水减压阀减压保障系统,是以给水竖向分区设置的,一般设在每一给水分区总管上。考虑到众多用户的用水可靠安全性(住宅每一分区有几十户至上百户,公共建筑如宾馆、饭店,每一分区有几十套客房……),设计时减压阀应两套并列安装(1用1备)。减压通路两侧都辅以闸阀或蝶阀,可启闭任一减压通道,为使并列的两套减压阀通道能正常工作,常规一个月轮流交换一次,搁置时间过长减压通道死水结垢,减压元件阀芯会卡住失效。
3.应及时排除管道中的积气。当空气进入减压管网或管网内随压力变化时气体从水中析出,这时区域内用户的水压极不稳定;处在供水最不利点用水器更是压力变化急骤,有时呈现虚假的峰值压力,有时还会抽吸断水,还有管网会伴随撞击声。产生这种现象,会影响燃气热水器、电热水器等稳定工作,严重时会被毁坏;对各种盥洗器具的进水连接管破坏力也很大,特别是目前常用的一些复合型连结软管,其强度较差,因此爆管的事件屡有发生;有些水表无法正确计量,出现用户不用水,水表也会不断地转动。为杜绝这类事故,应检查屋顶水箱生活给水总管的蓄水高程是否满足,如不满足水箱出水口处会产生水旋,吸入空气。排除这一故障可调整水箱内液位控制器的最低水位高程,经验表明一般最低水位距出水口应不小于0.3m。也可反复开启设置在分区、减压系统两侧的压力表放气旋塞,把已进入管网内的空气徐徐排出。如采取上述措施后,在分区总管末梢以下的一些用水器还出现上述现象,可以在这些部位增设自动排气装置。
4.注意减压阀的减压保障系统。无论选用比例式还是可调式减压阀,其减压比P1∶P2不宜选择过大,一般应控制在5∶1之内。超过这个范围易产生气蚀现象,损坏阀件,产生啸叫噪音。有些活塞式减压阀,制造厂在其阀体上加工一个直径1.5mm左右的小孔,其功能是让阀芯运动时起到透吸气作用,维护管理时应注意千万不要将小孔塞住,否则影响减压阀的正常运行。
5.加强减压阀保障系统的管理巡视,要注意观察减压阀本身的工作动态。阀前、阀后压力数值接近,表明减压阀本身已存在故障。即活塞式减压阀的阀芯与阀体间的平面密封橡胶件损坏;薄膜式可调型减压阀主阀膜片有裂痕和O型圈损坏,及导阀连通管堵塞,造成减压阀减压作用削弱或者失效。这对分区管网危害极大,特别是许多用水设备可能因超压力而出现爆管,必须及时修复。比例式(活塞型)减压阀阀体上的透吸气小孔如出现滴漏不止,表明阀芯上几档O型密封圈已经磨损,要更换密封件。但在修理拆装减压元件时,要谨慎细心,调换内密封件;清理杂物时,应因势利导,不要用金属棒、硬梗撬阀的活动部位,使用木榔头和木柄敲击震动,慢慢拆卸阀内部件。修理完毕后重新安装时,一定要和阀门上的流向指示保持一致。
6.注意检查比例式减压阀的安装位置。高层内减压阀设计安装的位置不妥,会出现减压阀阀后压力忽高忽低,管网压力严重偏离允许范围,伴随毁坏淋浴器,水管爆裂和损坏用户水表等事故发生;有时也会水流不畅,分区内出现无规律的断水现象,影响用户用水。出现类似事故,检查整个减压阀减压分区给水系统,无疑点可找;拆卸减压阀过滤器等元件并无异常;有些物业管理单位甚至怀疑减压阀的技术性能,多次调换新的减压阀,也不能解决问题。这时可从检查比例减压阀设计安装位置是否合理着手,认真检查管网系统是否存在等位倒虹管现象,即分区的输出管路标高相近。此类情况在主、副楼同一屋顶水箱,下给水供水系统中很容易出现。发现这些问题,可以考虑把比例减压阀安装位置提高一个层面(不能提得太高,必须顾全分区内用水设备的承压规范要求);也可在主、副楼内,分设两组独立的比例减压阀给水系统。

电液比例阀简称比例阀。普通液压阀只能通过预调的方式对液流的压力、流量进行定值控制。但是当设备机构在工作过程中要求对液压系统的压力、流量参数进行调节或连续控制,例如.要求工作台在工作进给时按慢、快、慢连续变化的速度实现进给,或按一定精度模拟某个最佳控制曲线实现旅力控制.普通液压阀则实现不了。这时可以用电液比例阀对液压系统进行控制。
电液比例阀是一种按输入的电信号连续地、按比例地控制液压系统的液流方向、流量和压力的阀类。它山电-机械比例转换装置和液压控制阀本体两大部分构成.前者将输入的电信号连续地按比例地转换为机械力和位移输出,后者在接受这种机械力和位移之后、按比例连续地输出压力和流量.
电液比例阀的发展主要有两个途径一是用比例电磁铁取代传统液压阀的手动调节装置或取代普通电磁铁发展起来的;二是由电液伺服阀简化结构、降低精度发展起来的。下面介绍的比例阀均指前者,它是当今比例阀的主流。与普通液压阀可以互换。
比例电磁阀的结构如图5-27所示。比例电磁铁是直流电磁铁,但它与普通直流电磁铁不同。普通直流电磁铁的衔铁只有吸合和断开两个工作位置,并且在吸合时磁路中几乎没有气隙.而比例电磁铁要求吸合力或位移与给定电流成比例。并在衔铁的全部工作行程上,磁路中保持一定的气隙‘.其结构主要由极靴1、线圈2、壳体5和衔铁10等组成。线圈2中通电后产生磁场,因隔磁环4的存在。使磁力线主要部分通过衔铁10、气隙和极靴1,形成回路口极靴对衔铁产生吸力门在线圈中电流一定时。吸力的大小因极靴1与衔铁间的距离不同而变化。但衔铁在气隙适中的一段行程中,吸力随位置的改变发生的变化很小。
设计中就使比例电磁铁的衔铁在这段行程中工作。因此。改变线圈中的电流,即可在衔铁上得到与其成正比的吸力。用比例电磁铁代替螺旋手柄来调整液压阀,就能使输出乐力或流量与输人电流对应成比例地发生变化。
比例阀用于模拟控制,是介于普通开关控制与伺服控制之间的控制方式,它也特别适合于
设备的革新或改造。使设备自动化控制水平大为提高。其在现代液雌系统中占比例很大口
与普通液压阀相比.比例阀的优点是:①能简单地实现远距离控制:②能连续地、按比例地控制液压系统的压力和流量。从而实现对执行机构的位置、速度和力的连续控制,并能防止或减小压力、速度变换时的冲击;③油路简化,元件数量少。
比例阀适用于既要求能连续控制胀力、流量.和方向.而又不需要很I的控制精度的场合。
比例阀也分为压力阀、流量阀和方向阀几大类。近来又出现了功能复合化的趋势。液控单向阀
液控单向阀也称闭锁阀或保压阀,用以防止油液反向流动。但在液压回路中需要油流反向流动时又可利用控制油压,打开单向阀,使油流在两个方向都可流动。液控单向阀采用 锥形阀芯,因此密封性能好。在要求封闭油路时,可用此阀作为油路的单向锁紧而起保压作用。液控单向阀控制油的泄漏方式有内泄式和外泄式二种。在油流反向出 口无背压的油路中可用内泄式;否则需用外泄式,以降低控制油压力。
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。
单向阀 S20A1.0
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R900919584 DBW30B2-5X/315-6EG24N9K4SO160
R900919859 DBW10A2-5X/350-6EG24N9K4V
R900919860 DB20-2-5X/200XV
R900920619 DBW20B1-5X/315-6EG24N9K4
R900920785 DBW20B2-5X/100-6EW230N9K4
R900920863 DBW10B1-5X/315-6EG24N9K4
R900921225 DBW10B1-5X/100-6EG24N9K4
R900921503 DBW20A2-5X/315-6EG24N9K4SO160
R900921597 DBEM30-3X/200YG24K4M
R900921754 DBW20A2-5X/315-6EG24N9K4
R900921853 DBW30A2-5X/315-6EG24N9K4
压力继电器 HED8OH1X/350K14
压力继电器 HED8OA1X/350K14
压力继电器 HED8OH1X/200K
压力继电器 HED8OH1X/50K
压力继电器 HED30A3X400KL24Q
压力继电器 HED80H1×1200K14A
压力继电器 HED40P10/350S
压力继电器 HED50P.20/210L24
压力继电器 HED80A1X/350K14
压力继电器 HED80P1X/50K14S
压力继电器 HED80P-1X/315+Z15L24
压力继电器 HED8-OP-1X/200-K14-S
压力继电器 HED8-OP-1X/200-K14-S
压力继电器 HED40P10/350S
压力继电器 HED80A1X/350K14
压力继电器 HED50P.20/210L24
压力继电器 HED80H1×1200K14A
压力继电器 HED40P10/350S
压力继电器 HED50P.20/210L24
压力继电器 HED80A1X/350K14
压力继电器 HED80H1×1200K14A
压力继电器 HED80P10/100Z15L24SV
压力继电器 HED80P1X/50K14S
HED 5 OP2-2X/50K14
HED 5 OP2-2X/210K14
HED 5 OP2-2X/350K14
HED 5 OP2-2X/630K14
HED8OA1X/50K14KW
HED8OA1X/200K14KW
HED8OA1X/200K14AS
HED8OA1X/50K14A
HED8OA1X/100K14A
HED8OA1X/350K14A
HED8OP1X/630K14
HED8OA1X/200K14A
HED5OA1-2X/350K14
HED8OP1X/630K14S
HED8OA1X/50K14AS
HED8OH1X/50K14AS
HED8OA1X/100K14AS
HED8OH1X/100K14AS
HED8OA1X/350K14AS
HED5OA1-2X/100K14
HED8OA1X/630K14AS
HED8OA1X/50K14
HED8OA1X/100K14
HED8OA1X/350K14
HED8OH1X/50K14
HED8OH1X/100K14
HED8OH1X/350K14
HED8OP1X/50K14
HED8OP1X/50K14S
HED8OA1X/50K14KS
HED8OA1X/100K14KS
HED8OA1X/350K14KS
HED8OH1X/50K14KS
HED8OH1X/100K14KS
HED8OH1X/350K14S
HED8OA1X/200K14
HED8OH1X/100K14S
HED8OA1X/100K14S
HED8OH1X/200K14S
HED8OP1X/200K14S
HED5OP1-2X/50K14
HED8OH1X/200K14
HED8OA1X/200K14S
HED8OP1X/350K14
HED8OA1X/200K14KS
HED8OP1X/100K14S
HED8OH1X/200K14KS
HED8OP1X/100K14KS
HED8OP1X/350K14KS
HED8OA1X/350K14KW
HED8OA1X/630K14
HED8OH1X/350K14KS
HED8OP1X/50K14KS
HED8OP1X/100K14
HED8OP1X/200K14
HED8OP1X/200K14KS
HED8OP1X/350K14S
HED8OA1X/100K14KW
rexroth力士乐 0811104101 DBT-XP8-1X/315
rexroth力士乐 0811104109 DBT-XP1-1X/315
rexroth力士乐 0811105217 DB6DPW2-1X/315V
rexroth力士乐 0811402001 DBETBX-1X/250G24-37Z4M-38
rexroth力士乐 0811402003 DBETBX-1X/180G24-37Z4M
rexroth力士乐 0811402004 DBETBX-1X/315G24-37Z4M
rexroth力士乐 0811402016 DBETX-1X/315G24-8NZ4M
rexroth力士乐 0811402017 DBETX-1X/180G24-8NZ4M
rexroth力士乐 0811402018 DBETX-1X/80G24-8NZ4M
rexroth力士乐0811402019 DBETX-1X/250G24-8NZ4M
rexroth力士乐 0811402030 DBETX-1X/80G24-25NZ4M
rexroth力士乐 0811402031 DBETX-1X/180G24-25NZ4M
rexroth力士乐 0811402036 DBETX-1X/50G24-8NZ4M
rexroth力士乐 0811402042 DBE6X-1X/315G24-25NZ4M
rexroth力士乐 0811402043 DBE6X-1X/315G24-8NZ4M
rexroth力士乐 rexroth力士乐 0811402071 DBETBEX-1X/180G24K31A1M
rexroth力士乐 0811402073 DBETBEX-1X/250G24K31A1M
rexroth力士乐 0811402117 DBE10Z-1X/180XYG24-8NZ4M
rexroth力士乐 0811402118 DBE10Z-1X/315XYG24-8NZ4M
rexroth力士乐 R900058358 DBDS10K1X/315-220
rexroth力士乐 R900077572 DB20K7-1X/315XY
rexroth力士乐 R900203851 DBDS2K2X/100
rexroth力士乐 R900203852 DBDS2K2X/200
rexroth力士乐 R900219731 DBDS10K1X/630VSO151
rexroth力士乐 R900334966 DBETR-1X/80G24K4M
rexroth力士乐 R900339705 DBDS10K1X/315SO60
rexroth力士乐 R900345792 DB20K2-1X/200XYSO31
rexroth力士乐rexroth力士乐 R900370146 DBETR-1X/230G24K4M
rexroth力士乐 R900372794 DB10-1-4X/200W65
rexroth力士乐 R900373651 DB20-1-4X/200W65
rexroth力士乐 R900382707 DB20K3-1X/315Y
rexroth力士乐 R900387353 DBDA15G1X/50V
rexroth力士乐 R900389364 DB20-1-4X/350W65
rexroth力士乐 R900398663 DB82F2-3X/100U
rexroth力士乐 R900402543 DBDS10K1X/200SO52
rexroth力士乐 R900407389 DB10-1-4X/200UW65
rexroth力士乐 R900412191 DB20K1-1X/200Y
rexroth力士乐 R900420276 DBDS10K1X/25
rexroth力士乐 R900422247 DB10-1-4X/50UW65
rexroth力士乐 R900422542 DBDS20K1X/25
rexroth力士乐 R900422543 DBDS30K1X/25
rexroth力士乐 R900423714 DBDS30P1X/200
rexroth力士乐 R900423715 DBDS30P1X/315
rexroth力士乐 R900423719 DBDS6G1X/200
rexroth力士乐 R900423722 DBDS6G1X/50
rexroth力士乐 R900423723 DBDS6K1X/100
rexroth力士乐 R900423724 DBDS6K1X/200
rexroth力士乐 R900423725 DBDS6K1X/315
rexroth力士乐 R900423726 DBDS6K1X/400
rexroth力士乐 R900423727 DBDS6K1X/50
rexroth力士乐 R900423728 DBDS6P1X/100
rexroth力士乐 R900423729 DBDS6P1X/200
rexroth力士乐 R900423730 DBDS6P1X/315
rexroth力士乐 R900423732 DBDS6P1X/50
rexroth力士乐 R900423735 DBDS8G1X/315
rexroth力士乐 R900423743 DBDS10G1X/25
rexroth力士乐 R900423766 DBD.10G1X/...
rexroth力士乐 R900424082 DBDS20K1X/315V
rexroth力士乐 R900424109 DBDH20K1X/100
rexroth力士乐 R900424140 DBDS10G1X/200
rexroth力士乐 R900424147 DBDS10K1X/100
rexroth力士乐 R900424148 DBDS10K1X/100V
rexroth力士乐 R900424149 DBDS10K1X/200
rexroth力士乐 R900424150 DBDS10K1X/315
rexroth力士乐 R900424151 DBDS10K1X/315V
rexroth力士乐 R900424152 DBDS10K1X/400
rexroth力士乐 R900424153 DBDS10K1X/50
rexroth力士乐 R900424155 DBDS10P1X/100
rexroth力士乐 R900424157 DBDS10P1X/200
rexroth力士乐 R900424158 DBDS10P1X/315
rexroth力士乐 R900424159 DBDS10P1X/315V
rexroth力士乐 R900424163 DBDS15G1X/200
rexroth力士乐 R900424165 DBDS15G1X/315
rexroth力士乐 R900424171 DBDS20G1X/100V
Rexroth力士乐 R900424172 DBDS20G1X/200
Rexroth力士乐 R900424174 DBDS20G1X/315
Rexroth力士乐 R900424179 DBDH10G1X/400
Rexroth力士乐 R900424183 DBDH10K1X/315
Rexroth力士乐 R900424186 DBDH10P1X/200
Rexroth力士乐 R900424187 DBDH10P1X/315
Rexroth力士乐 R900424189 DBDH10G1X/315
Rexroth力士乐 R900424190 DBDH10K1X/200
Rexroth力士乐 R900424196 DBDH6G1X/200
Rexroth力士乐 R900424199 DBDH6K1X/100
Rexroth力士乐 R900424200 DBDH6K1X/200
Rexroth力士乐 R900424201 DBDH6K1X/315
Rexroth力士乐 R900424203 DBDS20K1X/400
Rexroth力士乐 R900424205 DBDS20K1X/50
Rexroth力士乐 R900424260 DBDS30G1X/200V
Rexroth力士乐 R900424261 DBDS30G1X/315
Rexroth力士乐 R900424262 DBDS30G1X/50
Rexroth力士乐 R900424264 DBDS25G1X/200
Rexroth力士乐 R900424266 DBDH6P1X/315
Rexroth力士乐 R900424267 DBDS20K1X/100
Rexroth力士乐 R900424269 DBDS20K1X/200
Rexroth力士乐 R900424270 DBDS20K1X/200V
Rexroth力士乐 R900424271 DBDS20K1X/315
Rexroth力士乐 R900424272 DBDS20P1X/50
Rexroth力士乐 R900424274 DBDS20P1X/100
Rexroth力士乐 R900424277 DBDS20P1X/200
Rexroth力士乐Rexroth力士乐 R900424278 DBDS20P1X/315
Rexroth力士乐 R900424279 DBDS20P1X/400
Rexroth力士乐 R900424281 DBDS30G1X/200
Rexroth力士乐 R900424282 DBDS30K1X/50
Rexroth力士乐 R900424283 DBDS30K1X/315V
Rexroth力士乐 R900424284 DBDS30K1X/100
Rexroth力士乐 R900424286 DBDS30K1X/200
Rexroth力士乐 R900424288 DBDS30K1X/315
Rexroth力士乐 R900424321 DBDS6K1X/200V
Rexroth力士乐 R900424348 DBDH6G1X/400
Rexroth力士乐 R900424734 DBDH6K1X/50
Rexroth力士乐 R900424738 DBDS10G1X/100
Rexroth力士乐 R900424742 DBDS10G1X/315
Rexroth力士乐 R900424744 DBDS10G1X/400
Rexroth力士乐 R900424745 DBDS10G1X/50
Rexroth力士乐 R900425084 DBDA6P1X/100
Rexroth力士乐 R900425646 DB20K1-1X/50XYU
Rexroth力士乐 R900425660 DBDS10P1X/400
Rexroth力士乐 R900425661 DBDS10P1X/50
Rexroth力士乐 R900426477 DBDA6G1X/200
Rexroth力士乐 R900426901 DBDH10P1X/100
Rexroth力士乐 R900426905 DBDS10P1X/25
Rexroth力士乐 R900427242 DBDH6P1X/200
Rexroth力士乐 R900427243 DBDS30G1X/25
Rexroth力士乐 R900427600 DBDH6K1X/25
Rexroth力士乐 R900427940 DBDS10K1X/200V
Rexroth力士乐 R900428385 DBDH6P1X/50
Rexroth力士乐 R900428388 DBDS6K1X/315V
Rexroth力士乐 R900429168 DBDS30P1X/315V
Rexroth力士乐 R900429414 DBDS6P1X/25
Rexroth力士乐 R900429711 DBDS30P1X/25
Rexroth力士乐 R900430311 DBDS20P1X/25
Rexroth力士乐 R900430459 DBDA6P1X/200
Rexroth力士乐 R900434128 DBDH6P1X/400
Rexroth力士乐 R900435108 DBD.30P1X/...
Rexroth力士乐 R900435222 DBDH10K1X/25
Rexroth力士乐 R900435450 DBDS6P1X/315V
Rexroth力士乐 R900437810 DBDS20P1X/315V
Rexroth力士乐 R900438025 DB6K1-4X/50YV
Rexroth力士乐 R900438122 DB10K1-4X/315YV
Rexroth力士乐 R900438123 DB10K2-4X/200YV
Rexroth力士乐 R900438939 DBDS6K1X/400V
Rexroth力士乐 R900439247 DBDH25G1X/50
Rexroth力士乐 R900443139 DB20-1-4X/100W65
Rexroth力士乐 R900452120 DB10-1-4X/50XUW65
Rexroth力士乐 R900458607 DB10-1-4X/315W65
Rexroth力士乐 R900462393 DBDS10K1X/25V
Rexroth力士乐 R900469425 DB10-1-4X/200XUW65
Rexroth力士乐 R900469426 DB20-1-4X/200XUW65
Rexroth力士乐 R900470299 DB20K2-1X/350XY
Rexroth力士乐 R900493939 DB20K2-1X/315XY
Rexroth力士乐 R900497224 DB20K2-1X/315Y
Rexroth力士乐 R900499886 DB20K2-1X/350YV
Rexroth力士乐 R900500218 DB20-2-5X/200XY
Rexroth力士乐 R900502117 DB20-1-5X/200
Rexroth力士乐 R900502649 DB10-2-5X/200V
Rexroth力士乐 R900503083 DB10-3-5X/50
Rexroth力士乐 R900503515 DB30-1-5X/200
Rexroth力士乐 R900503664 DB10-3-5X/50YU
Rexroth力士乐 R900504902 DB30-2-5X/350
Rexroth力士乐Rexroth力士乐 R900505052 DB10-1-5X/200
Rexroth力士乐 R900505883 DB10-2-5X/315V
Rexroth力士乐 R900507009 DB20-1-5X/350
Rexroth力士乐 R900511013 DB10K1-4X/100Y
Rexroth力士乐 R900513186 DB20-2-5X/100YUV
Rexroth力士乐 R900513667 DB20-2-5X/200V
Rexroth力士乐 R900516200 DB20-2-5X/100UV
Rexroth力士乐 R900519775 DB20-2-5X/200U
Rexroth力士乐 R900521784 DB30-7-5X/100
Rexroth力士乐 R900522296 DB20-3-5X/200X
Rexroth力士乐 R900528354 DB10-1-4X/200XW65
Rexroth力士乐 R900528963 DB20-1-5X/50
R900529359 DBDS4K1X/100V
Rexroth力士乐 R900536812 DBEME10-5X/315YG24K31M
Rexroth力士乐 R900536813 DBEME20-5X/315YG24K31M
Rexroth力士乐 R900546617 DBET-5X/315G24K4M
Rexroth力士乐 R900546986 DBEE6-1X/315G24K31M
Rexroth力士乐 R900547401 DBEM10-5X/315YG24K4M
Rexroth力士乐 R900550746 DBW20B2-5X/100U6EG24N9K4
Rexroth力士乐 R900551840 DBE6-1X/315G24K4M
Rexroth力士乐 R900552114 DBEM30-3X/315YG24K4M
Rexroth力士乐 R900569498 DB30-1-5X/100U
Rexroth力士乐 R900571796 DB30-2-5X/200V
Rexroth力士乐 R900587346 DB20-1-5X/315
Rexroth力士乐 R900587347 DB20-2-5X/315X
Rexroth力士乐 R900587772 DB10-2-5X/200
Rexroth力士乐 R900588131 DB30-2-5X/200
Rexroth力士乐 R900589433 DB20-2-5X/100
Rexroth力士乐 R900589603 DB20-1-5X/100
Rexroth力士乐 R900590328 DB20G2-5X/50
Rexroth力士乐 R900590330 DB30-2-5X/100U
Rexroth力士乐 R900590334 DB10-2-5X/315
Rexroth力士乐 R900590618 DB20-2-5X/350
Rexroth力士乐 R900590645 DB10-2-5X/50
Rexroth力士乐 R900590646 DB10-2-5X/100
Rexroth力士乐 R900590768 DB20-2-5X/200
Rexroth力士乐 R900591126 DB10-2-5X/315X
Rexroth力士乐 R900591128 DB30-2-5X/315
Rexroth力士乐 R900591150 DB30-2-5X/315X
Rexroth力士乐 R900591404 DB20-2-5X/315VZDR10DB2-5X/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
单向减压阀 DR30-5-5X/100Y
叠加式减压阀 ZDRK10VP5-1X/100YMV
ZDR6DB2-4X/75YM
ZDR6DP2-4X/75YM
ZDR6DA2-4X/150YM
ZDR6D-4X/25YM
ZDR10DB2-5X/75YM
ZDR10DP2-5X/150YM
ZDR10DP2-5X/75YM
ZDR6DB2-4X/150YM
ZDR6DP2-4X/150YM
ZDR6DP2-4X/75YM
Z2DB6VC2-4X/100V
ZDB10VB2-4X/100V
ZDB6VB2-4X/100V
ZDR6DB2-5X/75YM
ZDR10DA2-5X/150Y
ZDR6DA2-4X/150Y
ZDR6DP2-5X/150YMSV30PA1-4X/
ZDR10VB5-3X/100Y
板式减压阀 DR-JO-5-5X/50YM
换向阀 4WEH22J7X/6EG24N9ETK4/B10
4WMM10E31
1WMM10J31
DG3V-8-8C
DG3V-3-2N
电磁换向阀 4WE10J3X/CG24N9K4
3DREP 6C-20=25EG24N9K4/M=00
4WE10J3X/CG24NK4
4WE6D5X/AG24NK4
4WE6J5X/AG24NK4
4WE6Y5X/AG24NK4
4WE10J3X/CG110N9K4
比例换向阀 4WRZE32W8-520-
7X/6EG24NIETK31F1/D3M+Z31
单向阀 S20A1.0
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/
S15A1
S15A1.0
S20A1
S25A1
S30A1
管式单向阀 S6A1
先导式单向阀 SL20 PA1-42
液控单向阀 SL30 PA2-4X
SV10 PA1-42
叠加式单向阀 Z1S 10 DI-33
Z1S 10 EI-33
Z1S 10 EI-33 W4
液控单向阀 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/
插装式单向阀 M-SR25KE-05-1X
叠加式单向阀 Z1S6P1-3X W4
Z2S6-1-6X
叠加式液控单向阀 Z2F-22-1-5X
Z2SRK6-1 1X/Y
Z2S10-1-3X
1:内部抵抗、许容背压大幅提高。
2:油浸式电磁设计,作动平稳,噪音小。
3:线圈采一体成型,防潮效果佳,散热好,耐高温。
4:电磁阀安装尺寸均符合国际标准。
5:降低油温提高寿命,节省维护费用----
由于阀体流道采用了特殊结构设计,因而内部阻抗小,使用压降减少,液压油的 温度亦可相应降低,是液压油不易变质,液压油寿命延长,减少液压油更换费用。
Rexroth力士乐 R900593404 DB10-2-4X/100W65 R900912565 LC16A00E7X/
R900912570 LC16A00D7X/
R900912566 LC16A05E7X/
R900928456 LC16A05E7X/V
R900912571 LC16A05D7X/
R900925950 LC16A05D7X/V
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DB30-1N52/2002U
力士乐溢流阀
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一种液压压力控制阀。在液压设备
中主要起定压溢流作用,稳压,
系统卸荷和安全保护作用。
定压溢流作用:在定量泵节
流调节系统中,定量泵提供的
是恒定流量。当系统压力增大时,
会使流量需求减小。此时溢流阀开启,
使多余流量溢回油箱,保证溢流阀进口压力,
即泵出口压力恒定(阀口常随压力波动开启)。
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最高工作压力高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)。
溢流阀一般有两种结构:1、直动型溢流阀 。2、先导式溢流阀。
对溢流阀的主要要求:调压范围大,调压偏差小,压力振摆小,
动作灵敏,过载能力大,噪声小。
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