Resistance and Equivalent Length of Fittings

Equivalent length of fittings like bends, returns, tees and valves in hot water heating systems - equivalent length in feet and meter

Equivalent length of common fittings like

  • elbows - regular 90o, long radius 90o, regular 45o
  • tees - line flow and branch flow
  • return bends - regular and long radius
  • valves - globe, gate, angle and swing check
  • strainers

in hot water piping systems are indicated in the tables below.

Screwed Fittings - equivalent length in feet

Equivalent length (in feet) of straight pipe for fittings like bends, returns, tees and valves. (Pipe size in inches)

equivalent length of screwed fittings - feet

Screwed Fittings - equivalent length in meter

Equivalent length (in meters) of straight pipe for fittings like bends, returns, tees and valves.

equivalent length of screwed fittings - meter

Flanged Fittings - equivalent length in feet

Equivalent length (in feet) of straight pipe for fittings like bends, returns, tees and valves.

equivalent length of flanged fittings - feet

Flanged Fittings - equivalent length in meter

Equivalent length (in meters) of straight pipe for fittings like bends, returns, tees and valves.

equivalent length of flanged fittings - meter

Related Topics

  • Heating - Heating systems - capacity and design of boilers, pipelines, heat exchangers, expansion systems and more
  • Fluid Flow and Pressure Drop - Pipe lines - fluid flow and pressure loss - water, sewer, steel pipes, pvc pipes, copper tubes and more

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