Monoflow Self-supported rotating union Radial housing connection Balanced mechanical seal 3 vent holes Forged brass housing Stainless steel rotor Special options: threaded vent holes, low torque design Seal Combinations: Standard: Carbon Graphite/Bronze for water Optional: Carbon Graphite/Ceramic for hot oil, hot water and saturated steam E.L.S.: Tungsten Carbide/Ceramic for severe conditions (poor water quality), max. temperature 200°F