液压气动密封件—BS返回 >>
概   况型号参数

BSULTRATHAN®活塞杆密封是一种有两道密封唇且在外径处为紧配合的唇形密封。由于两道唇口之间有额外的润滑剂,故大大地防止了干摩擦和磨损。在某些情况下,这种密封件甚至可以代替价格昂贵的两道密封串联使用的配置。于多级缸应用,建议使用截面尺寸为 4mm5mm的规格。

主要优点是:

•耐磨性极好。

•耐冲击,抗挤出。

•压缩变形小。

•适应于最苛刻的工作条件。

•由于密封唇口之间的压力介质而具有充分的润滑。

•提高了零压力下的密封性能。

•极好地防止了外部空气的进入。

•易于安装。

应用范围:

工作压力:400bar

工作温度:-35°C+110°C

表面速度:0.5m/s

介    质:液压油(矿物油基)

主要用于重载行走机械和静压中的活塞杆和柱塞的密封,沟槽和直径尺寸分别符合IS05597/IISO3320国际标准的要求。

安    装:

这类密封件应有一个轴向间隙(参看HL栏)。为了避免密封唇口的损坏,安装时不要将密封件在锐边上拉动。

这些密封件通常都可装入闭式沟槽中。在入口受限制的地方,需要特殊的安装工具。若用户要求本公司将提供这类工具的设计方案。公差准则为H8/f7在这种密封件的背面,允许有较大的间隙e’ (照“间隙选择”)。

材    料:

P5008是一种邵氏硬度A约为93的派克聚氨酯基材料与目前市场上销售的其它聚氨酯材料相比,其主要优点是抗热性提高、抗水解能力增强压缩变形小。

若有特殊要求(压力、温度、速度等,用 于水、HFA液、HFB液等介质中)。请与本公司的咨询服务部联系,以便向您推荐合适的材料和结构


dDHL订货号
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