With 5 parts design our DBM compact seals are used as piston seal for double acting cylinders at maximum 400 bar.          
          
DBM has a NBR ring; 2 polyester elastomer back-up rings used for decreasing permissible gap in both sides; 2 POM rings as guide besides them.           
          
Technical Data      
Pressure: 400 Bar      
Temperature: -35  to +110      
Speed: 0.5m/s       
Media: Hydraulic oils (mineral oil-based)       
      
Material      
Material: Profile seal: NBR / Back-up ring: polyester elastomer / Guider ring: POM      
Color: Profile seal: Black / Back-up ring: Black / Guider ring: White      
      
Advantages      
Good sealing effect, also suitable for holding cylinders      
Insensibility against shock loads and pressure peaks      
Capable of installation in closed grooves ofr reduced machining costs      
Easy installation      
      
DBM
ID x OD x H (mm)
50X34X18.4
60X44X18.4
63X47X18.4
80X60X22.4
100X75X25.4
100X75X22.4
110X96X22.4
115X90X22.4
125X100X25.4
125X108X26.5
140X115X25.4
145X120X25.4
160X138X26.5
180X163X26.5
200X175X25.4
220X195X25.4