» monoflow design
» self-supported rotating union
» radial housing connection
» balanced mechanical seal
» seal combinations:
Carbon Graphite/Hardened Tool Steel or
Carbon Graphite/Ceramic
» felt oiler in seal cavity for air service
» oiler for relubrication (3 - 5 drops/month)
» low torque
» aluminum housing
» stainless steel or steel rotor (respective of model)