厂商 :苏州华宝自动化设备有限公司
江苏 苏州- 主营产品:
- 齿轮泵
- 电磁阀
- 溢流阀
力士乐SV/SL系列液控单向阀
品牌/型号:力士乐/SV系列
类型:方向阀
材质:铸铁
适用范围:液压系统
产品别名:液控单向阀
适用介质:油品
适用温度:0-55(℃)
安装形式:板式
工作温度:常温
类型(通道位置):直动式
连接形式:快装
零部件及配件:配件
流动方向:单向
驱动方式:油压
形态:柱塞式
压力环境:高压
主体材料:铸铁
公称压力:31.5(MPa)MPa
公称通径:10(mm)mm
特点:
——液控单向阀
——连接尺寸按DIN24340
——底板安装或螺纹连接
——按需要有带泄油口和不带泄油口
——按需要有带先导阀和不带先导阀
——用先导阀缓冲释压
——可选三种开启压力
说明:
SV和SL型液控单向阀都是座式阀,可以由液压开启而允许反向流动,此种阀用来隔离局部压力回路,即在管子破裂时防止负载降落的保护,也可以防止负载下爬。
此种液控单向阀主要包括阀体,主阀芯,先导阀芯,压缩弹簧和控制活塞。
SV型(无泄油口)
由A口至B口始终可以自由流动,反方向上则先导阀芯和主阀芯被弹簧和系统压力保持在阀座上。若X口供给压力油,则控制活塞被推向右。首先打开先导阀心,再打开主阀芯。于是油液先通过导阀,再通过主阀。为了保证用控制活塞能可能的操纵阀,需要一定的最低控制压力。
SL型(带泄油口)
在原理上,此阀与SV型有相同的功能。不同之处在于增加了泄油口Y,这就可以使控制活塞的环行面积与A口隔离。A口来的油压只作用在控制活塞的面积A4上,从而有效降低此条件下所需的控制力。
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