Patent ID: 8506266

Claim:
A fluid handling device for a process fluid comprising: a process fluid compartment in contact with process fluids having a first pressure; a drive compartment having a second pressure and having a drive unit for moving the process fluids in said process fluid compartment, wherein said first pressure is greater than said second pressure; and a sealing assembly disposed between said process fluid compartment and said drive compartment, comprising a ring, a first seal, and a second seal, wherein said first seal and said second seal form an interconnection compartment through which said drive unit extends, wherein the ring is fixed to the drive unit inside the interconnection compartment on a first surface of the ring by a first collar and on a second surface of the ring by a second collar, wherein the first collar is sealingly fixed to the drive unit and extends between the drive unit and the first seal and the second collar is sealingly fixed to the drive unit and extends between the drive unit and the second seal; wherein said sealing assembly substantially prevents migration of said process fluids to said drive compartment.