1. Description
HBY Buffer Seals of Forever Seals are used as buffer rings along with secondary U-Cup type seals. The anti-extrusion ring protects the rod sealing area from pressure spikes and the notched lip allows a pumping-back action suppressing any pressure-trap effect.
2. Installation Recommendation
3. Product display
4. Technical Data
Pressure: below 50 MPa
Temperature: -35 to +110℃
Speed: 0.5m/s
Media: Hydraulic oils (mineral oil-based)
Material: U cups:PU;Back-up ring:POM/PA
Hardness: 90-95 Shore A
Size: Standard and non-standard
5. Dimenisons
| HBY | 40*55.6*6 |
| HBY | 45*60.5*6 |
| HBY | 50*65.5*6 |
| HBY | 55*70.5*6 |
| HBY | 60*75.5*6 |
| HBY | 63*78.5*6 |
| HBY | 65*80.5*6 |
| HBY | 70*85.5*6 |
| HBY | 75*90.5*6 |
| HBY | 80*95.5*6 |
| HBY | 85*100.5*6 |
| HBY | 90*105.5*6 |
| HBY | 95*110.5*6 |
| HBY | 100*115.5*6 |
| HBY | 105*120.5*6 |
| HBY | 110*125.5*6 |
| HBY | 115*130.5*6 |
| HBY | 120*135.5*6 |
| HBY | 125*140.5*6 |
| HBY | 130*145.5*6 |
| HBY | 135*150.5*6 |
| HBY | 140*155.5*6 |
| HBY | 145*160.5*6 |
| HBY | 150*165.5*6 |
| HBY | 155*170.5*6 |
6. Advantages
Unusually high wear resistance
Insensibility yagainst shock loads and pressure peaks
Low cpmression set
Increased sealing performance at zero pressure
Easy installation
