Components of a Return Bend
A return bend is the piping arrangement for pendent sprinklers where piping stems from the top of the branch pipe (riser nipple), runs horizontally (arm over), and then down to the sprinkler (drop).
Raw Water Sources, Mill Ponds, Open-Top Reservoirs
Where Not Required
So Why Use Return Bends?
1. Sediment Accumulation
Things to Consider
Interested in More?
Subscribe to our Blog if you haven't already.
Minnesota Public safety Issue | Link
NFPA 13 | Link
Get Free Articles via Email:
+ Get calculators, tools, resources and articles
+ Get our PDF Flowchart for Canopy & Overhang Requirements instantly
+ No spam
+ Unsubscribe anytime
Get access to every tool, the downloadable Toolkit, Sprinkler Database, Calculators and more:
Joseph Meyer, PE, owns/operates his own Fire Protection Engineering practice in St. Louis, Missouri. See bio on About page.