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HBY - Hydraulic cylinder PU polyurethane rod buffer seal
- Category： Rod seals
- Temperature: -40 - +110℃
- Pressure: 400bar
- Material: PU, POM
- Color: yellow, purple, blue
- Product description：HBY Buffer 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 a
1. Description
HBY Buffer 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. 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
Color:Blue,Purple,Off-Yellow
Size: Standard and non-standard
4. Advantages
Unusually high wear resistanceInsensibility yagainst shock loads and pressure peaks
Low cpmression set
Increased sealing performance at zero pressure
Easy installation
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