Question:

What is the bending radius of PE pipe?

Answer:



HDPE pipe can be cold bent to a minimum bending radius of R = α x OD, where R is the minimum bend radius, OD is the pipe’s outside diameter, and α is the minimum bend ratio. The minimum bend ratios shown below are for a long term application based on the pipe DR. The pipes may be bent to a tighter radius during installation, see Technical Note PP819, “Field Bending of PE Pipe”. 

Dimension Ratio, DR
Minimum Bend Ratio, α
7
20
7.3
20
9
20
11
25
13.5
25
17
27
21
27
26
34
32.5
42
41
52
Fitting or Flange Present in Bend
100