BU rod seal is a compact seal with an integrated anti-extrusion ring. A typical application of this seal profile is its use as a buffer seal in sealing systems often found on construction machinery cylinders. Advantages - Unusually high wear resistance. - Insensibility against shock loads and pressure peaks. - High resistance against extrusion. - Low compression set. - Long service life. - Suitable for toughest working conditions. - Easy installation. Technical Data Operating conditions Pressure: ≤50Mpa Temperature: -35～+110°C Speed: ≤0.5m/s Media: Hydraulic oils (mineral oil-based) Material Material: rod seal: CPU Back-up ring: POM Hardness: 90-95 Shore A Color: Turquoise