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A Riser clamp is a type of hardware used by mechanical building trades for
pipe support A pipe support or pipe hanger is a designed element that transfer the load from a pipe to the supporting structures. The load includes the weight of the pipe proper, the content that the pipe carries, all the pipe fittings attached to pipe, and t ...
in vertical runs of
piping Within industry, piping is a system of pipes used to convey fluids (liquids and gases) from one location to another. The engineering discipline of piping design studies the efficient transport of fluid. Industrial process piping (and accompan ...
(risers) at each floor level. The devices are placed around the pipe and integral fasteners are then tightened to clamp them onto the pipe. The
friction Friction is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other. There are several types of friction: *Dry friction is a force that opposes the relative lateral motion of t ...
between the pipe and riser clamp transfers the weight of the pipe through the riser clamp to the building structure. Risers are generally located at floor penetrations, particularly for continuous floor slabs such as concrete. They may also be located at some other interval as dictated by local building codes or at intermediate intervals to support plumbing which has been altered or repaired. Heavier piping types such as cast iron require more frequent support. Ordinarily, riser clamps are made of
carbon steel Carbon steel is a steel with carbon content from about 0.05 up to 2.1 percent by weight. The definition of carbon steel from the American Iron and Steel Institute (AISI) states: * no minimum content is specified or required for chromium, cobalt ...
and individually sized to fit certain pipe sizes. "Riser" refers to vertical runs of pipes,
electrical conduit An electrical conduit is a tube used to protect and route electrical wiring in a building or structure. Electrical conduit may be made of metal, plastic, fiber, or fired clay. Most conduit is rigid, but flexible conduit is used for some purpos ...
and tubes. There are at least two types of riser clamp: the two-bolt pipe clamp and the yoke clamp.


References

{{Commonscat, Riser clamps Piping Plumbing