mechanical joint

mechanical joint

typical mechanical joint 1. A gastight and watertight joint formed by joining metal parts through a positive-holding mechanical assembly (such as flanged joint, screwed joint, flared joint). 2. In piping, a joint which typically consists of: (a) a flange which is integrally cast with the bell of the pipe, (b) a rubber gasket which fits into the recess in the socket, (c) a follower ring which compresses the gasket, and (d) nuts and bolts used to tighten the joint.