Operating range mechanical seal uhPressure p = 4 barSpeed v = 12 m/sTemperature t = -35 +150°C Characteristics mechanical seal uhSingle Mechanical SealDouble directional Catalog Mechanical seal UH Umbra Italy Operational limits – Standard components – DIN 24960P4 barV12 m/sT-35 +150 Material Mechanical seal uhMetal partsF1F1––SpringF–––Elastomeric partP4–––Primary RingVQ––Mating RingC––– Dimension Mechanical seal UHType Description dDWHHfUH-71030.055.219.987-10.030.055.21-0.138.523.5-0.13UH-21230.057.711.96-12.0930.057.7-0.1729.0-0.3UH-212.730.057.712.66-12.7930.057.7-0.1729.0-0.3