mechanical joint


Also found in: Acronyms.

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.
References in periodicals archive ?
It is important to caution that gasketed mechanical joints on PVC and DI pipe will experience leakage.
The static unit, however, was unable to overcome the difficult mechanical joints along the length of the cast iron pipe.
provide mechanical joint fittings for connecting valves and hydrants, which provide a positive lock against joint separation without tie rods or blocking.
The mechanical joint creates a triple seal due to the pipe groove, gasket and housings.
The corrugated PE pipe used for storm sewers and highway drainage systems employs gasketed mechanical joints.
Mechanical Joints. Standardized mechanical joint pipe and fittings, in which a compressed gasket is substituted for lead or other poured or calked material, are made by all members of the Ductile Iron Pipe Research Association, which has adopted a standard design in accordance with ANSI/AWWA C111/A21.11 for pipe joints and ANSI/AWWA C110 for fittings.
It is also called 'degenerative joint disease' and most often involves the weight-bearing joints He informed adding that the disorder results from mechanical joint damage whether from long-term previous injury and Osteoarthritis usually is diagnosed in people older than 40.