PIPE SUPPORTING ELEMENTS



ANCHOR:
A special supporting device for restraining pipes in position and direction to permit the control of pipe movement which occurs due to thermal expansion.

Commonly there are two types of anchors: 
  1. Fixed Achors and 
  2. Directional anchors.
Fixed anchors used in those cases where movement in a line must be prevented. This is called as ‘fixing point’. The most basic way to anchor a pipe is to weld it directly to a support or structural part. For insulated pipes, a pipe shoe is welded and then the pipe shoe is welded to the structure.

Directional anchors allow movement to occur in one direction while restricting it from in the opposite direction. Directional anchors lead a pipe’s movement away from structures, buildings, , equipment etc.

CLEVIS PIPE CLAMP:
A pipe supporting device used only for non-insulated pipes.


CONSTANT LOAD SUPPORT:

A spring loaded support designed to enable the load on the pipe to be constant and balanced regardless of the vertical movement that may take place.


GUIDE:
A device for ensuring a pipe is restrained from moving in a direction (or) plane other than that warranted by ideal design conditions.


HANGER:
A method of supporting pipe work from a structure above, usually maintaining the pipe work at a designed level but allowing limited axial and sometimes, lateral movement.


RESTRAINT:
A (pipe work) supporting device that partially (or) totally restricts movement in one (or) more directions.


ROLLER SUPPORT:
A roller, on which the pipe rests, permitting axial movement in a horizontal plane.


SLIDER SUPPORT:
A special pipe support designed to permit longitudinal movement of the pipe work in a horizontal plane.


SPRING HANGER:
A pipe support designed to counteract differing positions as a result of the varying conditions to which the piping is subjected.


STANCHION:
A structural steel member whose main function is to withstand axial compressive stresses.


TRESTLE:
A structural steel frame usually designed to carry a bank of pipes above ground level.


TRUNNION:

A tubular piece of steel welded to the side of a pipe to enable the latter to be supported.


TURN BUCKLE:
A device for providing axial adjustment for pipe hanger rods – adjustment is achieved by the turn buckle having right and left handed threads.


SHOE:
A metal piece attached to the under side of a pipe which rests on supporting steel. Primarily used to reduce wear from sliding for lines subject to movement. Permits insulation to be applied to pipe.

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