Difference between Scuppers, Spouts and Emitters

March 10th, 2015

“When is a spout a spout, when is a scupper a scupper and how are they different than a nozzle?”  We make no claim as to setting the industry lexicon, though our experience has been once we offer our explanation, many of our clients say, “Thanks – that makes sense!”  With that in mind, here are our definitions.

photosWe define a scupper as having an open or wide “mouth.”  The scupper is designed so that water usually “spills” forward with a minimal projection. Scuppers usually allow for an abundant water flow, providing a pleasant, soft sound while being very visible. Examples of scuppers include our Roman Scupper, Acanthus Scupper, etc., as well as the popular waterfall or cascading scupper.

A spout on the other hand serves an entirely different purpose. A spout is usually characterized by a medium to long neck, ending in a tapered or directional opening (by directional we mean straight out or downward). Depending on the size of the opening (aperture) and the size of the connection, spouts can provide a short distance projection and soft water flow, or can be used to project water across a wide distance and/or clear architectural  elements such as pool coping, planters, etc. Examples of spouts are our AnzioCourtyard, and Florentine designs.

Nozzles (often called Emitters) are cousins of the spout; however, with some significant differences.  Nozzles do not have a long “neck” of any significance (except those used in large commercial applications), and are usually housed in a backplate or housing support of some type. Like the spout, nozzles are designed to “shoot” or project water over a distance and/or direction.  Depending on the connection and nozzle size, the right amount of pressure and connection, nozzles can project water over great distances.  Water can be projected up in the air to form arcs as well as in multiple directions. Lastly, nozzles can project water in a full stream or “laminar” effect, producing wonderful visual effects. Examples of nozzles, or emitters, are our Oak Leaf and Bordeaux styles.

Next month we’ll discuss the typical applications for spouts, nozzles and scuppers. Until then, hope this little “guide” helps when discussing the differences with your clients”.

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