武穴黎翔机电设备有限公司REXROTH力士乐销售部
比例溢流阀
型号DBEM(M)与DBE(M)E
通径10/25
7X系列
zui大工作压力350bar
zui大流量400 L/min
电磁阀应用十分广泛,而使用时情况却千差万别,增强通用性能降低制造、购销、存贮、安装、维护的成本,近年来这方面迈出了大步。
(1)响应时间可调
给出电信号到阀芯动作完成的时间称为响应时间。不同场合希望开关速度不同,有四种组合:快开快关----用于快速反应系统;快开慢关----用于防止水锤;慢开快关---用于缓启急断; 慢开慢关一一用于平稳过渡。ZDF 多功能电磁阀可方使地调整于任一状态,应用十分灵活。
(2)扩展介质适用范固。
电磁阀与其它自控阀不同在于介质粘度适用范围较窄,所以空气、水、蒸汽、油等介质对于先导型电磁阀其结构参数是不同的;一般地说是不能通用的。而ZDF多功能电磁阀只用一颗小螺钉,却做到了气、水、油的通用,而且还使油的粘度适用范围大大加宽,深受欢迎。
(3)开度可调与于动兼窑
电磁阀在使用时常常还希望它兼具手动功能,作为停电或故障时备用。
一般手动装置只能手动开阀或手动关阀,二者齐备的称*手动。手动装置还能对阀门开度进行预置,一般手动只能对阀的zui大或zui小开度进行预置,而*手动能分别对zui大或zui小开度进行预置。ZDF多功能电磁阀属*手动类。其它型号电磁阀根据需要可带简单的一般手动装置。
电磁阀是用电磁的效应进行控制,主要的控制方式由继电器控制。这样,电磁阀可以配合不同的电路来实现预期的控制,而控制的精度和灵活性都能够保证。
电磁阀的主要特点
(1)外漏堵绝,内漏易控,使用安全。内外泄漏是危及安全的要素。其它自控阀通常将阀杆伸出,由电动、气动、液动执行机构控制阀芯的转动或移动。这都要解决*动作阀杆动密封的外泄漏难题;唯有电磁阀是用电磁力作用于密封在隔磁套管内的铁芯完成,不存在动密封,所以外漏易堵绝。电动阀力矩控制不易,容易产生内漏,甚至拉断阀杆头部;电磁阀的结构型式容易控制内泄漏,直至降为零。所以,电磁阀使用特别安全,尤其适用于腐蚀性、有毒或高低温的介质。
(2)系统简单,便接电脑,价格低谦。电磁阀本身结构简单,价格也低,比起调节阀等其它种类执行器易于安装维护。更显著的是所组成的自控系统简单得多,价格要低得多。由于电磁阀是开关信号控制,与工控计算机连接十分方便。在当今电脑普及,价格大幅下降的时代,电磁阀的优势就更加明显。
(3)动作快递,功率微小,外形轻巧。电磁阀响应时间可以短至几个毫秒,即使是先导式电磁阀也可以控制在几十毫秒内。由于自成回路,比之其它自控阀反应更灵敏。设计得当的电磁阀线圈功率消耗很低,属节能产品;还可做到只需触发动作,自动保持阀位,平时一点也不耗电。电磁阀外形尺寸小,既节省空间,又轻巧美观。
(4)调节精度受限,适用介质受限。电磁阀通常只有开关两种状态,阀芯只能处于两个极限位置,不能连续调节,(力图突破的新构思不少,但还都处于试验试用阶段)所以调节精度还受到一定限制。电磁阀对介质洁净度有较高要求,含颗粒状的介质不能适用,如属杂质须先滤去。另外,粘稠状介质不能适用,而且,特定的产品适用的介质粘度范围相对较窄。
(5)型号多样,用途广泛。电磁阀虽有先天不足,优点仍十分突出,所以就设计成多种多样的产品,满足各种不同的需求,用途极为广泛。电磁阀技术的进步也都是围绕着如何克服先天不足,如何更好地发挥固有优势而展开。
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力士乐原装阀价格非常优势,常用阀大量现货,咨询!
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ZDB 6
先导式溢流阀 ■ 组件系列 4X
■ 规格 6
■ zui大工作压力 315 巴
■ zui大流量 60 l/min
■ 1 个压力阀插件
■ 叠加阀板设计
Z2DB 6
先导式溢流阀 ■ 组件系列 4X
■ 规格 6
■ zui大工作压力 315 巴
■ zui大流量 60 l/min
■ 2 个压力阀阀芯
■ 叠加阀板设计
ZDB 10
先导式溢流阀 ■ 组件系列 4X
■ 规格 10
■ zui大工作压力 315 巴
■ zui大流量 100 l/min
■ 1 个压力阀插件
■ 叠加阀板设计
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力士乐定货号:R900224609 M-3SED6UK1X/350CG24N9K4/B20
力士乐定货号:R900224613 M-3SED6UK1X/350CG24N9K4/PV
力士乐定货号:R900224640 M-3SED10CK1X/350CG24N9K4/B18
力士乐定货号:R900224672 M-3SED10CK1X/350CG24N9K4
SUN CBEG-LDN-BCM
SUN CCCALIN
SUN CBEY-LAN
SUN COFA-XEN
SUN TR-33A
SUN NFDC-LAC
SUN CXDA-XAV
SUN CSAB XXN
SUN SV10-20
SUN CXHA.XBV
SUN TD-11A
SUN DBAA-MHN-224
SUN CXBG-XAN
SUN PBHB-LBN阀
SUN 9JN9RPECLAN
SUN NFED-LIN
SUN 溢流阀RDHA-LAN 21600A75F008AX
SUN CXBA-XCV
SUN WSM OCL4 K1
SUN NCFB-LCN/DKZ
SUN CBFA-LHN-HCX
SUN UNK-50
SUN CBB/S
SUN CBEA-LHN-FPP
SUN 节流阀 FXCA-XAN-GBP-2.5
SUN PBDB ODN
SUN VALVE RPKC-LCN
SUN CAEA-LIN
SUN PPFB-LBN-BLL
SUN DTDA-MCN-224
SUN R4V06-533-10-11-A1-004
SUN GBEA-LHN
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SUN NFCC-LDN
SUN VALVE XRDC-LNN-AW-S
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SUN SCCA-LDN
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AGMZO-TERS-PS-10/210/I
E-MI-AC-01F/7
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柱塞泵
RZMO-P3-PS-010/210/I
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4WE6D7X/OFEG24 N9 K4
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齿轮泵
PGH4-21/050RE11VE4
4WRPEH6C3B 40L- 2X/G24K0/A1V
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MSK100C-0200-NN-M1-AG2-NNNN
DB10-1-52/100
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溢流阀
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力士乐DBE(M)型比例溢流阀又比例先导阀,安全阀和插装式主阀组成。比例先导阀控制主阀遥控口。力士乐DBE型比例溢流阀按输入电流大小成比例地控制液压系统的压力,阀的通油能力大,适用于流量较大的液压系统
力士乐DBE型比例溢流阀的系统压力极限由比例电磁铁2设定,与电流有关,来自系统的压力作用于主阀芯4,与此同时,经过装有节流孔5的先导管作用于主阀芯4的弹簧加载侧并作用在先导阀芯6.如果系统压力升高得超过对应着电磁铁力的设定值,则先导阀芯6打开。
现在先导油可以流回油箱,节流孔组产生作用在主阀芯4上的压降,使它从阀座上升起并打开从泵到油箱的通路。
力士乐DBEM行比例溢流阀为了保护系统免遭比例电磁铁2处不能允许的高电流尖峰引起的不能允许的高压之害,有一种供选方案是装设一个弹簧加载的压力溢流阀7提供zui高保护。
力士乐DBE(M)型比例溢流阀由直流比例电磁铁和先导型溢流阀组成。工作原理是:当输入一个电信号时,比例电磁铁1便产生一个相应的电磁力,它通过推杆2和弹簧3的作用,使锥阀4接触在阀座5上,因此打开的液压力与电流成正比,形成一个比例先导压力阀。孔a为主阀阀芯6的阻尼孔,由先导式溢流阀工作原理,对溢流阀阀芯6上的受力分析可知,电液比例溢流阀进口压力的高低与输人信号电流的大小成正比,即进口油压受输入电磁铁的电流大小控制。若输入信号电流是连续地按比例地或按一定程序变化,则比例溢流阀所调节的液压系统压力,也连续地按比例地或按一定程序地进行变化。从而将手调溢流阀,改为电信号控制。
力士乐DBE(M)型比例溢流阀实现多级压力控制,当以不同电流J1、j2、J3、J4和J5输入时,溢流阀就可得到五种压力控制,它与普通溢流阀的多级压力控制相比,液压元件数量少,系统简单。若输入的是连续变化的信号则可实现连续的压力控制。
力士乐先导型比例溢流阀。它的先导部分是直动式比例压力阀,可直接作为直动式比例溢流阀使用。若与普通压力阀组合,可组成先导型比例溢流阀、比例减压阀和比例顺序阀等元件。
DLHZO-TE-040-L51 40
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DLHZO-TE-040-L51/I
DLHZO-TE-040-L53 40
DLHZO-TE-040-L71
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DLHZO-TE-040-L73 40
DLHZO-TE-040-L73/B 40
DLHZO-TE-040-T53/I 40
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DLHZO-TE-040-V13
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DLKZA-T-160-L71/NPT
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ATOS伺服比例阀DLKZOR-T-140-L31 41 已发
ATOS伺服比例阀DLKZOR-T-140-L71
ATOS伺服比例阀DLKZOR-T-140-L73 41
ATOS伺服比例阀DLKZOR-T-140-T71 41
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ATOS伺服比例阀DLKZOR-TE-140-L31
ATOS伺服比例阀DLKZOR-TE-140-L71
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ATOS伺服比例阀DLKZOR-TE-140-L71/I
ATOS伺服比例阀DLKZOR-TE-140-L71/Q 41
ATOS伺服比例阀DLKZOR-TE-140-L73/I 41
ATOS伺服比例阀DLKZOR-TE-140-T71 41
ATOS伺服比例阀DLKZOR-TE-140-T73 41
ATOS伺服比例阀DLKZOR-TE-140-T73/I 41
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DPZO-A-273-D5
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DPZO-A-273-S3
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DPZO-AE-171-L5/E
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