157.020中文资料FRANCEJOINT数据手册PDF规格书
157.020规格书详情
DESCRIPTION
The BECA 157 - 158 profile is a
double acting rod composite seal
composed of a filled PTFE friction
ring and two pre-tightened rubber
O'Rings. It can be assembled in a
groove according to standard ISO
7425/2. Option of connecting the
seal to 1 or 2 back-up rings.
APPLICATIONS
Mobile hydraulics
Machine tools
Presses
Hydro-pneumatic suspension systems
