产品名称:力士乐Rexroth液控单向阀SL10PA1-4X
品牌:力士乐Rexroth
质保:一年
供应商家:上海韦米机电设备有限公司
公司地址:金豫路100号禹洲金桥国际2期2号楼1017室
联系商家:点击查看联系方式
力士乐Rexroth液控单向阀R983040145 SL10PA1-4X
主要性能
单向阀的主要性能指标是正向小开启压力、正向流动压力损失和反向泄漏量。
1.正向小开启压力
正向小开启压力是指使阀芯刚开启时进油口的小压力。作为单向阀或背压阀使用时,因弹簧制度不同,其正向小开启压力有较大差别。
2.正向流动压力损失
正向流动压力损失是指单向阀通过额定流量时所产生的压力降。压力损失包括由于弹簧力、摩擦力等产生的开启压力损失和液流的流动损失。为了减小压力损失,可以选用开启压力小的单向阀。
3.反向泄漏量
反向泄漏量是指当液流反向进入单向阀时,通过阀口的泄漏流量。一个性能良好的单向阀应做到反向无泄漏或泄漏量极微小。当系统有较高的保压要求时,应选用泄漏量小的结构,如锥阀式单向阀。
对液控单向阀而言,除了上述性能指标要求外,还有反向小开启控制压力.即能使单向阀反向开启的控制口的小压力。一般外泄式单向阀的反向小开启控制压力比内泄式小,卸载式比简式的反向小开启控制压力小。
此外,当液控单向阀在控制活塞作用下开启时,不论是正向流动还是反向流动,它的压力损失仅仅置由于油液的流动阻力产生的,而与弹簧力无关,因此,在相同流量下,其压力损失比控制活塞不起作用时的正向流动压力损失小。
博世力士乐液控单向阀 力士乐液控单向阀 博世bosch 力士乐液压阀
力士乐液控单向阀SV/SL 力士乐液控阀
SV and SL型号
液压先导单向阀
规格6至150
带或不带泄油口(只适用于6至10规格)
可进行预减压(只适用于10至32规格)
底板安装("P"):
规格6:安装面按DIN 24340 A型和ISO 4401,底板参见RE 45052
规格10至32:安装面按DIN 24340 A型和ISO 4401,底板参见RE45062
螺纹连接("G") (只适用于规格10至32)
法兰连接("G") (只适用于52至150规格)
连接法兰参见RE 45501
多个开启压力
力士乐液控单向阀SV 博世力士乐液控阀
R900448378SL10GA1-4X/12
R978878966SL10GB2-4X/12
R900483371SL10PA1-4X/
R900457388SL10PA1-4X/V
R900443419SL10PB1-4X/
R978893430SL15GB1-4X/12
R900206275SL15GB1-4X/V/12
R900587559SL20PA1-4X/
R900501547SL20PA1-4X/V
R900599586SL20PB1-4X/
R900500208SL20PB2-4X/
R900030795SL25GB1-4X/V/12
R900502331SL30GA1-4X/12
R900587560SL30PA1-4X/
R900500095SL30PA1-4X/V
R900599473SL30PA2-4X/
R900599968SL30PB1-4X/
R900058475SL30PB2-4X/V
R900448378SL10GA1-4X//12
R900062179SL10GA1-4X/V/12
R900507043SL10GB1-4X//12
R900582730SL10GB1-4X/V/12
R978878966SL10GB2-4X/12
R900550802SL10GB4-4X/V/12
R900483371SL10PA1-4X/
R900457388SL10PA1-4X/V
R900442260SL10PA2-4X/
R900586396SL10PA2-4X/V
R900443419SL10PB1-4X/
R900457386SL10PB2-4X/
R900514645SL10PB2-4X/V
R900524353SL15GA1-4X//12
R978896552SL15GA1-4X/V/12
R978893430SL15GB1-4X/12
R900206275SL15GB1-4X/V/12
R900508963SL20GA1-4X//12
R900223516SL20GA1-4X/V/12
R900587559SL20PA1-4X/
R900501547SL20PA1-4X/V
R900599536SL20PA2-4X/
R900500870SL20PA2-4X/V
R900599586SL20PB1-4X/
R900509458SL20PB1-4X/V
R900500208SL20PB2-4X/
R900524635SL25GA1-4X//12
R978869966SL25GA1-4X/V/12
R900989478SL25GB1-4X/12
R900030795SL25GB1-4X/V/12
R900502331SL30GA1-4X//12
R900724680SL30GA2-4X//12
R900769195SL30GA2-4X/V/12
R978866082SL30GB1-4X/12
R900503385SL30GB2-4X/V/12
R900587560SL30PA1-4X/
R900500095SL30PA1-4X/V
R900599473SL30PA2-4X/
R900514206SL30PA2-4X/V
R900599968SL30PB1-4X/
R900508354SL30PB1-4X/V
R900503740SL30PB2-4X/
R900058475SL30PB2-4X/V
R900448378SL10GA1-4X//12
R900062179SL10GA1-4X/V/12
R900507043SL10GB1-4X//12
R900582730SL10GB1-4X/V/12
R978878966SL10GB2-4X/12
R900550802SL10GB4-4X/V/12
R900483371SL10PA1-4X/
R900457388SL10PA1-4X/V
R900442260SL10PA2-4X/
R900586396SL10PA2-4X/V
R900443419SL10PB1-4X/
R900457386SL10PB2-4X/
R900514645SL10PB2-4X/V
R900524353SL15GA1-4X//12
R978896552SL15GA1-4X/V/12
R978893430SL15GB1-4X/12
R900206275SL15GB1-4/V/12
R900508963SL20GA1-4X//12
R900223516SL20GA1-4X/V/12
R900587559SL20PA1-4X/
R900501547SL20PA1-4X/V
R900599536SL20PA2-4X/
R900500870SL20PA2-4X/V
R900599586SL20PB1-4X/SL20PB1-4X/V
R900509458SL20PB2-4X/
R900500208SL25GA1-4X//12
R900524635SL25GA1-4X/V/12
R978869966SL25GB1-4X/12
R900989478SL25GB1-4X/V/12
R900030795SL30GA1-4X//12
R900502331SL30GA2-4X//12
R900724680SL30GA2-4X/V/12
R900769195SL30GB1-4X/12
R978866082SL30GB2-4X/V/12
R900503385SL30PA1-4X/
R900587560SL30PA1-4X/V
R900500095SL30PA2-4X/
R900599473SL30PA2-4X/V
R900514206SL30PB1-4X/
R900599968SL30PB1-4X/V
R900508354SL30PB2-4X/
R900503740SL30PB2-4X/
R900058475SL30PB2-4X/V
单向阀又称止回阀或逆止阀,用于液压系统中防止油流反向流动,或者用于气动系统中防止压缩空气逆向流动。
单向阀工作原理
单向阀依靠介质本身流动而自动开、闭阀瓣,用来防止介质倒流,泵及驱动电动机反转,以及容器介质的泄放。单向阀可用于给其他压力升至超过系统压的辅助系统提供补给的管路上
单向阀的作用是只允许介质向一个方向流动,而且阻止反方向流动。通常这种阀门都是自动工作,在同一个方向流动的流体压力作用下,阀瓣打开;流体反方向流动时,流体压力和阀瓣的作用于阀座,从而切断流动。