ViseSeal O-Ring Vise (ORV) – A Winning Combination Posted by Flexaseal March 31, 2010 Flexaseal mechanical seals with a ViseSeal O-Ring Vise (ORV), O-ring mounted bearing design. This innovative design is a proven problem-solving solution which addresses the common problems of radial shaft movement…Read more ViseSeal O-Ring Vise (ORV) – A Winning Combination