行业分类
Z2DB16VD2-2X/100V先导式溢流阀
日期:2019-03-08 11:51  点击:2
 
 
价格:未填
品牌:REXROTH力士乐
发货:3天内
 Z2DB16VD2-2X/100V先导式溢流阀力士乐电磁溢流阀
溢流阀是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,先导型溢流阀。   
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。
比例阀采用阀芯 阀体结构。伺服阀和伺服比例阀主要应用在闭环控制系统,比例阀的驱动装置是比例电磁铁。
伺服阀的驱动装置是力马达或力矩马达.阀体兼作阀套。
驱动装置不同.所以近些年出现了比例伺服阀。
比例阀一般最高几十Hz,伺服阀中位没有死区,伺服阀对液压油液的要求更高.性能参数不同;否则容易堵塞,
用来控制流量和流向,比例阀要求低一些.比例阀有中位死区;
比例阀和伺服阀的区别主要体现在以下几点:
逐渐向伺服阀靠近,
比例换向阀属于比例阀的一种,滞环,中位死区,频宽,过滤精度等特性不同.阀的额定压降不同;比例换向阀具有与普通换向阀相似的中位机能,
而比例伺服阀性能介于伺服阀和比例阀之间,因此应用场合不同,伺服阀和伺服比例阀采用阀芯 阀套的结构。中位机能种类不同.其它结构的比例阀主要应用在开环控系统及闭环速度控制系统;因为比例阀的性能越来越好;2伺服阀的频响(响应频率)更高。阀芯结构及加工精度不同.伺服阀与比例阀之间的差别并没有严格的规定。
,可以高达200Hz左右,需要精过滤才行,而伺服阀中位机能只有O型(Rexroth产品的E型)。武穴黎翔专业代理德国力士乐全系列产品, 专注原装全新力士乐 ,假一罚万,力士乐好价格!!欢迎询价!!

经营产品:

阀类:电磁阀、换向阀、单向阀、溢流阀、减压阀、平衡

阀、插装阀、比例阀等

泵类:齿轮泵、柱塞泵、叶片泵等

承诺:保证原装正品,假一赔十 量大价格好商量!!

武穴黎翔机电设备有限公司REXROTH力士乐销售部

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组队方法不知道发疯

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R911263089  MKD090B-047-GP1-KNMARZOCCHI齿轮泵ALP系列:
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ALP2A-D-37-FG,ALP2A-D-40-FG,ALP2A-D-50-FG,ALP2-D-6-FG,ALP2
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FG,ALP2-D-20-FG,ALP2-D-22-FG,ALP2-D-25-FG,ALP2-D-30-FG,
ALP2-D-34-FG,ALP2-D-37-FG, ALP2-D-40-G,ALP2-D-50-FG,
意大利MARZOCCHI齿轮泵
GHP2A-D-34;1PD11.5,GHP3-D-40,GHP3-D-3,GHP1-D-6GHP2-S-13,
LK1PD9.2G,PD3D50+2D16,PD3D50+2D20,PD3D30+2D13,ALP2A-D-30,
ALP2A-D-40,ALP2-D-16-CO-FG,ALP2-D-16-FG;ALP2-D-22-CO,
KLPD6.7G,ALP2-D-6,ALP2A-D-16,ALP2A-D-34,ALP2A-D-9,ALP2-D-
22,ALP1-D-11,ALP2-D-20,ALP2-D-30; ALP2BK1-D-6,ALP2BK1-D-9
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ALP2BK1-D-20,ALP2BK1-D-22,ALP2BK1-D-25,ALP2BK1-D-30,
ALP2BK1-D-34,ALP2BK1-D-37,ALP2BK1-D-40,ALP2BK2-D-6,ALP2BK2
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ALP2BK2-D-20,
ALP4A-D-250,ALP4A-D-270,ALP4A-D-300,GHP1AQ-D-2,
意大利MARZOCCHI齿轮泵GHP1AQ-D-3,GHP1AQ-D-4,GHP1AQ-D-5,
GHP1AQ-D-6,GHP1AQ-D-7,GHP1AQ-D-9,GHP1AQ-D-11,GHP1AQ-D-13,
GHP1AQ-D-16,GHP1AQ-D-20,GHP1A2-D-2,GHP1A2-D-3,GHP1A2-D-4,
GHP1A2-D-5,GHP1A2-D-6,GHP1A2-D-7,GHP1A2-D-9,GHP1A2-D-11,
GHP1A2-D-13,GHP1A2-D-16,GHP1A2-D-20,GHP2-D-6,GHP2-D-9,
GHP2-D-10,GHP2-D-12,GHP2-D-13,GHP2-D-16,GHP2-D-20,GHP2-D-
22,GHP2-D-25,GHP2-D-30,GHP2-D-34,GHP2-D-37,GHP2-D-40,
GHP2-D-50,GHP2A-D-6,
GHP2A-D-9,GHP2A-D-10,GHP2A-D-12,GHP2A-D-13,GHP2A-D-16,
GHP2A-D-20,GHP2A-D-22,GHP2A-D-25,GHP2A-D-30,GHP2A-D-34,
GHP2A-D-37,GHP2A-D-40,GHP2A-D-50,
马祖奇齿轮泵
GHP2A-D-40-C1-FG,GHP2-D-20-FG,GHP1A-D-5-C1-FG, GHP1-D-2-TO-
E-FG,ALP1-D-4-TO-E-FG,ALP1-D-6-TO-E-FG,ALP3-D-25-TO-E-FG,
ALP3-D-40-TO-E-FG, GHP1A-D-2-FG,GHP1A-D-3-FG,GHP1A-D-4-FG,
GHP1A-D-5-FG,GHP1A-D-6-FG, GHP1A-D-7-FG,GHP1A-D-9-FG,
GHP2A-D-6-FG,GHP2A-D-9-FG,GHP2A-D-10-FG, GHP2A-D-13-FG,
GHP2A-D-16-FG,GHP2A-D-20-FG,GHP2A-D-22-FG,GHP2A-D-25-FG, 
GHP2A-D-30-FG,GHP2A-D-34-FG,GHP2A-D-40-FG,GHP3A-D-30-FG,
GHP3A-D-33-FG, GHP3A-D-40-FG,GHP3A-D-50-FG,GHP3A-D-60-FG,
GHP3A-D-66-FG,GHP3A-D-80-FG, GHP3A-D-94-FG,GHP3A-D-110-FG,
GHP3A-D-120-FG,GHP3A-D-135-FG,
1PD1.6,1PD2,1PD2.5,1PD3.3,1PD4.2,1PD5,1PD5.8,1PD6.7,
1PD7.5,1PD9.2,1PD11.5, 1PD1.6GAS,1PD2GAS,1PD2.5GAS,
1PD3.3GAS,1PD4.2GAS,1PD5GAS,1PD5.8GAS,1PD6.7GAS,1PD7.5GAS
,1PD9.2GAS,1PD11.5GAS,1PD1.6KA,1PD2KA,1PD2.5KA,1PD3.3KA,
1PD4.2KA,1PD5KA,1PD5.8KA,1PD6.7KA,1PD7.5KA,
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