Abstract: A pipe coupling assembly for connecting an end of a first pipe to an end of a second pipe, the pipe coupling assembly including a sleeve having a flange disposed at each of opposing first and second ends thereof, each flange defining a flange opening including a seal seat. The seal seat being angularly disposed relative to an axis of the sleeve. The assembly further including, a pair of annular seals, and a pair of compression rings each having a compression lip positionable in one of the flange openings for engaging one of the seals, the compression lip including a substantially flat surface disposed at an angle relative to an axis of the central bore, and a fastener for attaching the compression rings to the flange at each of the first and second ends of the sleeve.