Mechanical seal Umbra UHH Unitized mechanical face seal with covered Head (OD cup mounted mating ring) Get individual advice from our experts Download catalog UHH Umbrra Contact us Table of Mechanical seal descriptions UHH Type Description dDWHHfUHH-1a1536.611.214,98÷15,0236,449÷36,47411,2±0,28.232,5±0,2UHH-2a1636.611.215,90÷1636,449÷36,47411,2±0,28.232,5±0,2UHH-4153811.214,98÷15,0238,0511,2±0,28.232,5±0,2UHH-5163811.215,90÷1638,0511,2±0,28.232,5±0,2 Characteristics UHH :Single Mechanical SealDouble directionalLimit of applications UHH :Limit of applications:Pressure p = 4 barSpeed v = 12 m/sTemperature t = -35 +150°C