Carries IS Mark 3829 Part IIEnd ring hydraulically formed without joints to sustain required pressure. All other joints Argon Arc weldedUnique MULTIPORT VALVE located at the top. Controls all operations manuallyTwo safety valves (dead wt. & spring loaded) and a pressure switch provided to prevent accidental pressure build upWorks on 134C at 32 psi. (2.1 kgfcm2)Hydrostatically tested 2 times the working pressureBest suited for rapid sterilization of instruments for Cardiac, Ortho, Neuro and Urology